#667DDE#667DDE

#667DDE is a mid, vivid blue. Relative luminance 0.228; OKLCH L 61.8% C 0.149 H 271.4°. Best body text is #000000 at 5.55:1 contrast (WCAG AA passes).

Color values

HEX	#667DDE
RGB	rgb(102, 125, 222)
HSL	hsl(229, 65%, 64%)
HSV	hsv(229, 54%, 87%)
CMYK	cmyk(54.1%, 43.7%, 0%, 12.9%)
CIE-LAB	lab(54.83, 19.25, -52.22)
CIE-LCH	lch(54.83, 55.66, 290.24°)
OKLab	oklab(61.77% 0.0037 -0.1485)
OKLCH	oklch(61.77% 0.149 271.4)
XYZ	xyz(25.9936, 22.7641, 72.1172)
Luminance	0.2277 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#667DDE #DEC766

analogous

#66B9DE #667DDE #8B66DE

triadic

#667DDE #DE667D #7DDE66

tetradic

#667DDE #DE66B9 #DEC766 #66DE8B

square

#667DDE #DE66B9 #DEC766 #66DE8B

split-complementary

#667DDE #DE8B66 #B9DE66

monochromatic

#243DA6 #3452D3 #667DDE #98A8E9 #CBD3F4

Accessibility & contrast

On white

3.78

#667DDE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.55

#667DDE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #667DDE

5.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##667DDE	#FFFFFF	#000000	##000000
##667DDE	1.00	3.78	5.55	5.55
#FFFFFF	3.78	1.00	21.00	21.00
#000000	5.55	21.00	1.00	1.00
##000000	5.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5389E2

Deuteranopia (green-blind)

#457EDC

Tritanopia (blue-blind)

#2792A3

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #667dde;
/* rgb */ color: rgb(102, 125, 222);
/* oklch */ color: oklch(61.8% 0.149 271.4);

Tailwind

colors: {
  custom: {
    50: '#9aa2e9',
    500: '#667dde',
    950: '#000000',
  },
}

SCSS

$custom: #667dde;
$custom-light: #9aa2e9;
$custom-dark: #000000;

JSON

{
  "hex": "#667dde",
  "rgb": {
    "r": 102,
    "g": 125,
    "b": 222
  },
  "hsl": {
    "h": 228.5,
    "s": 64.516,
    "l": 63.529
  },
  "oklch": {
    "l": 0.61766,
    "c": 0.14854,
    "h": 271.4
  },
  "luminance": 0.22766
}

Semantic roles & 50–950 ramp

primary

#667DDE

secondary

#E5DDBB

accent

#AA19CC

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0F0F16

muted

#7E7E84

Preview Lab

Preview with #667DDE

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

Preview Lab → · Contrast checker → · Palette generator →