#6374CF#6374CF

#6374CF is a mid, vivid blue. Relative luminance 0.196; OKLCH L 58.9% C 0.140 H 273.4°. Best body text is #000000 at 4.93:1 contrast (WCAG AA passes).

Color values

HEX	#6374CF
RGB	rgb(99, 116, 207)
HSL	hsl(231, 53%, 60%)
HSV	hsv(231, 52%, 81%)
CMYK	cmyk(52.2%, 44%, 0%, 18.8%)
CIE-LAB	lab(51.44, 19.32, -49.16)
CIE-LCH	lch(51.44, 52.82, 291.45°)
OKLab	oklab(58.85% 0.0083 -0.1397)
OKLCH	oklch(58.85% 0.14 273.4)
XYZ	xyz(22.6499, 19.6469, 61.6181)
Luminance	0.1965 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6374CF #CFBE63

analogous

#63AACF #6374CF #8863CF

triadic

#6374CF #CF6374 #74CF63

tetradic

#6374CF #CF63AA #CFBE63 #63CF88

square

#6374CF #CF63AA #CFBE63 #63CF88

split-complementary

#6374CF #CF8863 #AACF63

monochromatic

#2B3A8C #3A4EBB #6374CF #929EDD #C1C7EC

Accessibility & contrast

On white

4.26

#6374CF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.93

#6374CF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6374CF

4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6374CF	#FFFFFF	#000000	##000000
##6374CF	1.00	4.26	4.93	4.93
#FFFFFF	4.26	1.00	21.00	21.00
#000000	4.93	21.00	1.00	1.00
##000000	4.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D7FD2

Deuteranopia (green-blind)

#4276CD

Tritanopia (blue-blind)

#328897

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #6374cf;
/* rgb */ color: rgb(99, 116, 207);
/* oklch */ color: oklch(58.9% 0.140 273.4);

Tailwind

colors: {
  custom: {
    50: '#969bde',
    500: '#6374cf',
    950: '#000000',
  },
}

SCSS

$custom: #6374cf;
$custom-light: #969bde;
$custom-dark: #000000;

JSON

{
  "hex": "#6374cf",
  "rgb": {
    "r": 99,
    "g": 116,
    "b": 207
  },
  "hsl": {
    "h": 230.556,
    "s": 52.941,
    "l": 60
  },
  "oklch": {
    "l": 0.58854,
    "c": 0.13992,
    "h": 273.4
  },
  "luminance": 0.19648
}

Semantic roles & 50–950 ramp

primary

#6374CF

secondary

#DCD5B2

accent

#C64BDC

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0E0E15

muted

#7E7E83

Preview Lab

Preview with #6374CF

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

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