#667DFB#667DFB

#667DFB is a light, vivid blue. Relative luminance 0.245; OKLCH L 63.6% C 0.188 H 272.2°. Best body text is #000000 at 5.89:1 contrast (WCAG AA passes).

Color values

HEX#667DFB
RGBrgb(102, 125, 251)
HSLhsl(231, 95%, 69%)
HSVhsv(231, 59%, 98%)
CMYKcmyk(59.4%, 50.2%, 0%, 1.6%)
CIE-LABlab(56.54, 28.59, -65.62)
CIE-LCHlch(56.54, 71.58, 293.54°)
OKLaboklab(63.62% 0.0073 -0.1879)
OKLCHoklch(63.62% 0.188 272.2)
XYZxyz(30.2199, 24.4546, 94.3758)
Luminance0.2446 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#667DFB #FBE466
analogous
#66C8FB #667DFB #9A66FB
triadic
#667DFB #FB667D #7DFB66
tetradic
#667DFB #FB66C8 #FBE466 #66FB9A
square
#667DFB #FB66C8 #FBE466 #66FB9A
split-complementary
#667DFB #FB9A66 #C8FB66
monochromatic
#0628E1 #2A4AF9 #667DFB #A2B0FD #DDE2FE

Accessibility & contrast

On white

3.56
#667DFB on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.89
#667DFB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #667DFB
5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##667DFB#FFFFFF#000000##000000
##667DFB1.003.565.895.89
#FFFFFF3.561.0021.0021.00
#0000005.8921.001.001.00
##0000005.8921.001.001.00

Color blindness preview

Protanopia (red-blind)
#378EFF
Deuteranopia (green-blind)
#1081F8
Tritanopia (blue-blind)
#009AB0
Achromatopsia (no color)
#888888

Design tokens & code

CSS
--color: #667dfb;
/* rgb */ color: rgb(102, 125, 251);
/* oklch */ color: oklch(63.6% 0.188 272.2);
Tailwind
colors: {
  custom: {
    50: '#9ea2fd',
    500: '#667dfb',
    950: '#000000',
  },
}
SCSS
$custom: #667dfb;
$custom-light: #9ea2fd;
$custom-dark: #000000;
JSON
{
  "hex": "#667dfb",
  "rgb": {
    "r": 102,
    "g": 125,
    "b": 251
  },
  "hsl": {
    "h": 230.738,
    "s": 94.904,
    "l": 69.216
  },
  "oklch": {
    "l": 0.63618,
    "c": 0.18802,
    "h": 272.2
  },
  "luminance": 0.24457
}

Semantic roles & 50–950 ramp

primary
#667DFB
secondary
#F4EDC9
accent
#C200E6
background
#FAF9FF
surface
#F4F2FF
border
#CECCD7
text
#100F18
muted
#7F7E86

Preview Lab

Preview with #667DFB

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

Preview Lab → · Contrast checker → · Palette generator →

#667DFB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva