#6374EB#6374EB

#6374EB is a mid, vivid blue. Relative luminance 0.211; OKLCH L 60.7% C 0.179 H 273.7°. Best body text is #000000 at 5.23:1 contrast (WCAG AA passes).

Color values

HEX	#6374EB
RGB	rgb(99, 116, 235)
HSL	hsl(233, 77%, 65%)
HSV	hsv(233, 58%, 92%)
CMYK	cmyk(57.9%, 50.6%, 0%, 7.8%)
CIE-LAB	lab(53.10, 28.30, -62.28)
CIE-LCH	lch(53.10, 68.41, 294.44°)
OKLab	oklab(60.66% 0.0116 -0.1782)
OKLCH	oklch(60.66% 0.179 273.7)
XYZ	xyz(26.3815, 21.1396, 81.2713)
Luminance	0.2114 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6374EB #EBDA63

analogous

#63B8EB #6374EB #9663EB

triadic

#6374EB #EB6374 #74EB63

tetradic

#6374EB #EB63B8 #EBDA63 #63EB96

square

#6374EB #EB63B8 #EBDA63 #63EB96

split-complementary

#6374EB #EB9663 #B8EB63

monochromatic

#182CBC #2D44E4 #6374EB #99A4F2 #CFD5F9

Accessibility & contrast

On white

4.02

#6374EB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.23

#6374EB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6374EB

5.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6374EB	#FFFFFF	#000000	##000000
##6374EB	1.00	4.02	5.23	5.23
#FFFFFF	4.02	1.00	21.00	21.00
#000000	5.23	21.00	1.00	1.00
##000000	5.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3385EF

Deuteranopia (green-blind)

#1479E9

Tritanopia (blue-blind)

#008FA5

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #6374eb;
/* rgb */ color: rgb(99, 116, 235);
/* oklch */ color: oklch(60.7% 0.179 273.7);

Tailwind

colors: {
  custom: {
    50: '#9a9bf2',
    500: '#6374eb',
    950: '#000000',
  },
}

SCSS

$custom: #6374eb;
$custom-light: #9a9bf2;
$custom-dark: #000000;

JSON

{
  "hex": "#6374eb",
  "rgb": {
    "r": 99,
    "g": 116,
    "b": 235
  },
  "hsl": {
    "h": 232.5,
    "s": 77.273,
    "l": 65.49
  },
  "oklch": {
    "l": 0.60655,
    "c": 0.17859,
    "h": 273.7
  },
  "luminance": 0.21142
}

Semantic roles & 50–950 ramp

primary

#6374EB

secondary

#ECE6BE

accent

#C00CDA

background

#FAF9FE

surface

#F3F2FD

border

#CDCCD5

text

#0F0E17

muted

#7F7E85

Preview Lab

Preview with #6374EB

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

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