#6387EF#6387EF

#6387EF is a light, vivid blue. Relative luminance 0.262; OKLCH L 64.6% C 0.161 H 267.4°. Best body text is #000000 at 6.24:1 contrast (WCAG AA passes).

Color values

HEX#6387EF
RGBrgb(99, 135, 239)
HSLhsl(225, 81%, 66%)
HSVhsv(225, 59%, 94%)
CMYKcmyk(58.6%, 43.5%, 0%, 6.3%)
CIE-LABlab(58.24, 18.10, -56.27)
CIE-LCHlch(58.24, 59.11, 287.83°)
OKLaboklab(64.64% -0.0072 -0.1603)
OKLCHoklch(64.64% 0.161 267.4)
XYZxyz(29.3843, 26.2102, 85.1552)
Luminance0.2621 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#6387EF #EFCB63
analogous
#63CDEF #6387EF #8563EF
triadic
#6387EF #EF6387 #87EF63
tetradic
#6387EF #EF63CD #EFCB63 #63EF85
square
#6387EF #EF63CD #EFCB63 #63EF85
split-complementary
#6387EF #EF8563 #CDEF63
monochromatic
#1441C4 #2B5CE9 #6387EF #9BB2F5 #D2DCFA

Accessibility & contrast

On white

3.36
#6387EF on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.24
#6387EF on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6387EF
6.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##6387EF#FFFFFF#000000##000000
##6387EF1.003.366.246.24
#FFFFFF3.361.0021.0021.00
#0000006.2421.001.001.00
##0000006.2421.001.001.00

Color blindness preview

Protanopia (red-blind)
#5893F3
Deuteranopia (green-blind)
#4486ED
Tritanopia (blue-blind)
#009EAF
Achromatopsia (no color)
#8C8C8C

Design tokens & code

CSS
--color: #6387ef;
/* rgb */ color: rgb(99, 135, 239);
/* oklch */ color: oklch(64.6% 0.161 267.4);
Tailwind
colors: {
  custom: {
    50: '#9aa9f5',
    500: '#6387ef',
    950: '#000000',
  },
}
SCSS
$custom: #6387ef;
$custom-light: #9aa9f5;
$custom-dark: #000000;
JSON
{
  "hex": "#6387ef",
  "rgb": {
    "r": 99,
    "g": 135,
    "b": 239
  },
  "hsl": {
    "h": 224.571,
    "s": 81.395,
    "l": 66.275
  },
  "oklch": {
    "l": 0.64637,
    "c": 0.16051,
    "h": 267.4
  },
  "luminance": 0.26213
}

Semantic roles & 50–950 ramp

primary
#6387EF
secondary
#EEE2C0
accent
#A708DE
background
#FAFAFF
surface
#F3F4FE
border
#CDCED6
text
#0F0F17
muted
#7F7F85

Preview Lab

Preview with #6387EF

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →

#6387EF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva