How to use the ansicolors.brightBlue function in ansicolors

proto._stepNcheck = function _stepNcheck(step) {
  // print instruction
  // this._t.pass(colors.brightBlue(step.instruction))
  this._t.pass(colors.brightBlue(step.line))
  this._cu.next();
  this._checkRegs(step.regs)
}

_default: function(s, info) {
        var nextToken = info.tokens[info.tokenIndex + 1]

        // show keys of object literals and json in different color
        return (nextToken && nextToken.type === 'Punctuator' && nextToken.value === ':')
          ? colors.brightBlue(s)
          : colors.brightGreen(s)
      }
    }

function tableize(step) {
  function toString(acc, k) {
    if (k === 'eip') return acc;
    var d = step.diff[k];
    return acc + ' ' + k + ': ' + d.prev.hex + ' -> ' + d.curr.hex; 
  }
  var diffString = step.diff 
    ? Object.keys(step.diff).reduce(toString, '')
    : ''

  var m = step.instruction.match(/^([a-f0-9]{2} )+/);
  var opcodes = m[0].trim()
    , inst = step.instruction.replace(opcodes, '').trim();

  return [ colors.brightBlue(opcodes), colors.green(inst), colors.brightBlack(';' + diffString) ];
}

function formatChange(key, prevValue, value, diffopts) {
  return format('%s  %s: %s', colors.brightBlue('~'), key, diffValues(prevValue, value, diffopts));
}

function highlightDiffInd(line, matches) {
  var highlighted = colors.brightBlue(matches[1])
  var code = matches[2]
  return code ? highlighted + tryHighlight(code) : highlighted
}

.forEach(function(name) {
          var cmd = repl.commands[name]
            , help = cmd.help || ''
            , formattedName = colors.brightBlue(utl.pad(name, 15, ' '));

          log.print('%s %s\n', formattedName, help);
        });
      this.displayPrompt();