#4251AE#4251AE

#4251AE is a mid, vivid blue. Relative luminance 0.101; OKLCH L 47.5% C 0.148 H 272.6°. Best body text is #FFFFFF at 6.95:1 contrast (WCAG AA passes).

Color values

HEX	#4251AE
RGB	rgb(66, 81, 174)
HSL	hsl(232, 45%, 47%)
HSV	hsv(232, 62%, 68%)
CMYK	cmyk(62.1%, 53.4%, 0%, 31.8%)
CIE-LAB	lab(38.02, 23.63, -51.65)
CIE-LCH	lch(38.02, 56.80, 294.58°)
OKLab	oklab(47.47% 0.0067 -0.1481)
OKLCH	oklch(47.47% 0.148 272.6)
XYZ	xyz(12.8266, 10.0980, 41.3094)
Luminance	0.1010 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4251AE #AE9F42

analogous

#4287AE #4251AE #6942AE

triadic

#4251AE #AE4251 #51AE42

tetradic

#4251AE #AE4287 #AE9F42 #42AE69

square

#4251AE #AE4287 #AE9F42 #42AE69

split-complementary

#4251AE #AE6942 #87AE42

monochromatic

#202855 #313C82 #4251AE #6875C6 #949DD6

Accessibility & contrast

On white

6.95

#4251AE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.02

#4251AE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4251AE

6.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4251AE	#FFFFFF	#000000	##FFFFFF
##4251AE	1.00	6.95	3.02	6.95
#FFFFFF	6.95	1.00	21.00	1.00
#000000	3.02	21.00	1.00	21.00
##FFFFFF	6.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#165EB1

Deuteranopia (green-blind)

#0055AC

Tritanopia (blue-blind)

#006777

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #4251ae;
/* rgb */ color: rgb(66, 81, 174);
/* oklch */ color: oklch(47.5% 0.148 272.6);

Tailwind

colors: {
  custom: {
    50: '#8181c7',
    500: '#4251ae',
    950: '#000000',
  },
}

SCSS

$custom: #4251ae;
$custom-light: #8181c7;
$custom-dark: #000000;

JSON

{
  "hex": "#4251ae",
  "rgb": {
    "r": 66,
    "g": 81,
    "b": 174
  },
  "hsl": {
    "h": 231.667,
    "s": 45,
    "l": 47.059
  },
  "oklch": {
    "l": 0.47472,
    "c": 0.14827,
    "h": 272.6
  },
  "luminance": 0.10099
}

Semantic roles & 50–950 ramp

primary

#4251AE

secondary

#C2BA8A

accent

#C353D5

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #4251AE

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

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