#667DBB#667DBB

#667DBB is a mid, moderate blue. Relative luminance 0.211; OKLCH L 59.8% C 0.099 H 267.9°. Best body text is #000000 at 5.22:1 contrast (WCAG AA passes).

Color values

HEX#667DBB
RGBrgb(102, 125, 187)
HSLhsl(224, 38%, 57%)
HSVhsv(224, 45%, 73%)
CMYKcmyk(45.5%, 33.2%, 0%, 26.7%)
CIE-LABlab(53.04, 8.40, -35.20)
CIE-LCHlch(53.04, 36.19, 283.43°)
OKLaboklab(59.8% -0.0037 -0.0988)
OKLCHoklch(59.8% 0.099 267.9)
XYZxyz(21.7799, 21.0786, 49.9250)
Luminance0.2108 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#667DBB #BBA466
analogous
#66A8BB #667DBB #7A66BB
triadic
#667DBB #BB667D #7DBB66
tetradic
#667DBB #BB66A8 #BBA466 #66BB7A
square
#667DBB #BB66A8 #BBA466 #66BB7A
split-complementary
#667DBB #BB7A66 #A8BB66
monochromatic
#334573 #465E9E #667DBB #90A1CE #BBC5E1

Accessibility & contrast

On white

4.03
#667DBB on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.22
#667DBB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #667DBB
5.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##667DBB#FFFFFF#000000##000000
##667DBB1.004.035.225.22
#FFFFFF4.031.0021.0021.00
#0000005.2221.001.001.00
##0000005.2221.001.001.00

Color blindness preview

Protanopia (red-blind)
#6783BE
Deuteranopia (green-blind)
#5E7BBA
Tritanopia (blue-blind)
#478A93
Achromatopsia (no color)
#7F7F7F

Design tokens & code

CSS
--color: #667dbb;
/* rgb */ color: rgb(102, 125, 187);
/* oklch */ color: oklch(59.8% 0.099 267.9);
Tailwind
colors: {
  custom: {
    50: '#96a2cf',
    500: '#667dbb',
    950: '#000000',
  },
}
SCSS
$custom: #667dbb;
$custom-light: #96a2cf;
$custom-dark: #000000;
JSON
{
  "hex": "#667dbb",
  "rgb": {
    "r": 102,
    "g": 125,
    "b": 187
  },
  "hsl": {
    "h": 223.765,
    "s": 38.462,
    "l": 56.667
  },
  "oklch": {
    "l": 0.59801,
    "c": 0.09887,
    "h": 267.9
  },
  "luminance": 0.2108
}

Semantic roles & 50–950 ramp

primary
#667DBB
secondary
#D0C6AD
accent
#AF59CE
background
#F9F9FC
surface
#F2F2F9
border
#CCCCD2
text
#0E0F14
muted
#7E7E82

Preview Lab

Preview with #667DBB

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

Preview Lab → · Contrast checker → · Palette generator →

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