#667BC4#667BC4

#667BC4 is a mid, moderate blue. Relative luminance 0.210; OKLCH L 59.9% C 0.114 H 270.5°. Best body text is #000000 at 5.20:1 contrast (WCAG AA passes).

Color values

HEX	#667BC4
RGB	rgb(102, 123, 196)
HSL	hsl(227, 44%, 58%)
HSV	hsv(227, 48%, 77%)
CMYK	cmyk(48%, 37.2%, 0%, 23.1%)
CIE-LAB	lab(52.92, 12.33, -40.52)
CIE-LCH	lch(52.92, 42.36, 286.93°)
OKLab	oklab(59.86% 0.001 -0.1143)
OKLCH	oklch(59.86% 0.114 270.5)
XYZ	xyz(22.5231, 20.9749, 55.0756)
Luminance	0.2098 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#667BC4 #C4AF66

analogous

#66AAC4 #667BC4 #8066C4

triadic

#667BC4 #C4667B #7BC466

tetradic

#667BC4 #C466AA #C4AF66 #66C480

square

#667BC4 #C466AA #C4AF66 #66C480

split-complementary

#667BC4 #C48066 #AAC466

monochromatic

#31427F #4259AB #667BC4 #92A1D5 #BEC7E6

Accessibility & contrast

On white

4.04

#667BC4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.20

#667BC4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #667BC4

5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##667BC4	#FFFFFF	#000000	##000000
##667BC4	1.00	4.04	5.20	5.20
#FFFFFF	4.04	1.00	21.00	21.00
#000000	5.20	21.00	1.00	1.00
##000000	5.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F83C7

Deuteranopia (green-blind)

#567BC2

Tritanopia (blue-blind)

#418A96

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #667bc4;
/* rgb */ color: rgb(102, 123, 196);
/* oklch */ color: oklch(59.9% 0.114 270.5);

Tailwind

colors: {
  custom: {
    50: '#97a0d6',
    500: '#667bc4',
    950: '#000000',
  },
}

SCSS

$custom: #667bc4;
$custom-light: #97a0d6;
$custom-dark: #000000;

JSON

{
  "hex": "#667bc4",
  "rgb": {
    "r": 102,
    "g": 123,
    "b": 196
  },
  "hsl": {
    "h": 226.596,
    "s": 44.34,
    "l": 58.431
  },
  "oklch": {
    "l": 0.59855,
    "c": 0.1143,
    "h": 270.5
  },
  "luminance": 0.20976
}

Semantic roles & 50–950 ramp

primary

#667BC4

secondary

#D6CDB0

accent

#B754D4

background

#F9F9FD

surface

#F2F2FA

border

#CCCCD3

text

#0E0E14

muted

#7E7E83

Preview Lab

Preview with #667BC4

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

Preview Lab → · Contrast checker → · Palette generator →