#667CDE#667CDE

#667CDE is a mid, vivid blue. Relative luminance 0.225; OKLCH L 61.6% C 0.150 H 271.8°. Best body text is #000000 at 5.50:1 contrast (WCAG AA passes).

Color values

HEX	#667CDE
RGB	rgb(102, 124, 222)
HSL	hsl(229, 65%, 64%)
HSV	hsv(229, 54%, 87%)
CMYK	cmyk(54.1%, 44.1%, 0%, 12.9%)
CIE-LAB	lab(54.57, 19.86, -52.64)
CIE-LCH	lch(54.57, 56.26, 290.67°)
OKLab	oklab(61.57% 0.0048 -0.1497)
OKLCH	oklch(61.57% 0.15 271.8)
XYZ	xyz(25.8677, 22.5122, 72.0753)
Luminance	0.2251 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#667CDE #DEC866

analogous

#66B8DE #667CDE #8C66DE

triadic

#667CDE #DE667C #7CDE66

tetradic

#667CDE #DE66B8 #DEC866 #66DE8C

square

#667CDE #DE66B8 #DEC866 #66DE8C

split-complementary

#667CDE #DE8C66 #B8DE66

monochromatic

#243CA6 #3451D3 #667CDE #98A7E9 #CBD2F4

Accessibility & contrast

On white

3.82

#667CDE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.50

#667CDE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #667CDE

5.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##667CDE	#FFFFFF	#000000	##000000
##667CDE	1.00	3.82	5.50	5.50
#FFFFFF	3.82	1.00	21.00	21.00
#000000	5.50	21.00	1.00	1.00
##000000	5.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5188E2

Deuteranopia (green-blind)

#437EDC

Tritanopia (blue-blind)

#2891A2

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #667cde;
/* rgb */ color: rgb(102, 124, 222);
/* oklch */ color: oklch(61.6% 0.150 271.8);

Tailwind

colors: {
  custom: {
    50: '#9aa1e9',
    500: '#667cde',
    950: '#000000',
  },
}

SCSS

$custom: #667cde;
$custom-light: #9aa1e9;
$custom-dark: #000000;

JSON

{
  "hex": "#667cde",
  "rgb": {
    "r": 102,
    "g": 124,
    "b": 222
  },
  "hsl": {
    "h": 229,
    "s": 64.516,
    "l": 63.529
  },
  "oklch": {
    "l": 0.61566,
    "c": 0.14981,
    "h": 271.8
  },
  "luminance": 0.22514
}

Semantic roles & 50–950 ramp

primary

#667CDE

secondary

#E5DDBB

accent

#AB19CC

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0F0E16

muted

#7E7E84

Preview Lab

Preview with #667CDE

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

Preview Lab → · Contrast checker → · Palette generator →