#667CBB#667CBB

#667CBB is a mid, moderate blue. Relative luminance 0.208; OKLCH L 59.6% C 0.100 H 268.6°. Best body text is #000000 at 5.17:1 contrast (WCAG AA passes).

Color values

HEX	#667CBB
RGB	rgb(102, 124, 187)
HSL	hsl(224, 38%, 57%)
HSV	hsv(224, 45%, 73%)
CMYK	cmyk(45.5%, 33.7%, 0%, 26.7%)
CIE-LAB	lab(52.76, 9.00, -35.63)
CIE-LCH	lch(52.76, 36.75, 284.18°)
OKLab	oklab(59.59% -0.0024 -0.1001)
OKLCH	oklch(59.59% 0.1 268.6)
XYZ	xyz(21.6539, 20.8267, 49.8830)
Luminance	0.2083 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#667CBB #BBA566

analogous

#66A7BB #667CBB #7B66BB

triadic

#667CBB #BB667C #7CBB66

tetradic

#667CBB #BB66A7 #BBA566 #66BB7B

square

#667CBB #BB66A7 #BBA566 #66BB7B

split-complementary

#667CBB #BB7B66 #A7BB66

monochromatic

#334473 #465D9E #667CBB #90A0CE #BBC5E1

Accessibility & contrast

On white

4.07

#667CBB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.17

#667CBB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #667CBB

5.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##667CBB	#FFFFFF	#000000	##000000
##667CBB	1.00	4.07	5.17	5.17
#FFFFFF	4.07	1.00	21.00	21.00
#000000	5.17	21.00	1.00	1.00
##000000	5.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6582BE

Deuteranopia (green-blind)

#5D7ABA

Tritanopia (blue-blind)

#478993

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #667cbb;
/* rgb */ color: rgb(102, 124, 187);
/* oklch */ color: oklch(59.6% 0.100 268.6);

Tailwind

colors: {
  custom: {
    50: '#96a1cf',
    500: '#667cbb',
    950: '#000000',
  },
}

SCSS

$custom: #667cbb;
$custom-light: #96a1cf;
$custom-dark: #000000;

JSON

{
  "hex": "#667cbb",
  "rgb": {
    "r": 102,
    "g": 124,
    "b": 187
  },
  "hsl": {
    "h": 224.471,
    "s": 38.462,
    "l": 56.667
  },
  "oklch": {
    "l": 0.59587,
    "c": 0.10009,
    "h": 268.6
  },
  "luminance": 0.20828
}

Semantic roles & 50–950 ramp

primary

#667CBB

secondary

#D0C7AD

accent

#B059CE

background

#F9F9FC

surface

#F2F2F9

border

#CCCCD2

text

#0E0F14

muted

#7E7E82

Preview Lab

Preview with #667CBB

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

Preview Lab → · Contrast checker → · Palette generator →