#4253AC#4253AC

#4253AC is a mid, vivid blue. Relative luminance 0.103; OKLCH L 47.7% C 0.143 H 271.8°. Best body text is #FFFFFF at 6.85:1 contrast (WCAG AA passes).

Color values

HEX	#4253AC
RGB	rgb(66, 83, 172)
HSL	hsl(230, 45%, 47%)
HSV	hsv(230, 62%, 67%)
CMYK	cmyk(61.6%, 51.7%, 0%, 32.5%)
CIE-LAB	lab(38.41, 21.63, -49.83)
CIE-LCH	lch(38.41, 54.32, 293.47°)
OKLab	oklab(47.73% 0.0045 -0.1427)
OKLCH	oklch(47.73% 0.143 271.8)
XYZ	xyz(12.7839, 10.3223, 40.3404)
Luminance	0.1032 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4253AC #AC9B42

analogous

#4288AC #4253AC #6642AC

triadic

#4253AC #AC4253 #53AC42

tetradic

#4253AC #AC4288 #AC9B42 #42AC66

square

#4253AC #AC4288 #AC9B42 #42AC66

split-complementary

#4253AC #AC6642 #88AC42

monochromatic

#202854 #313E80 #4253AC #6776C5 #939ED6

Accessibility & contrast

On white

6.85

#4253AC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.06

#4253AC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4253AC

6.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4253AC	#FFFFFF	#000000	##FFFFFF
##4253AC	1.00	6.85	3.06	6.85
#FFFFFF	6.85	1.00	21.00	1.00
#000000	3.06	21.00	1.00	21.00
##FFFFFF	6.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#215FAF

Deuteranopia (green-blind)

#0156AA

Tritanopia (blue-blind)

#006877

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #4253ac;
/* rgb */ color: rgb(66, 83, 172);
/* oklch */ color: oklch(47.7% 0.143 271.8);

Tailwind

colors: {
  custom: {
    50: '#8183c5',
    500: '#4253ac',
    950: '#000000',
  },
}

SCSS

$custom: #4253ac;
$custom-light: #8183c5;
$custom-dark: #000000;

JSON

{
  "hex": "#4253ac",
  "rgb": {
    "r": 66,
    "g": 83,
    "b": 172
  },
  "hsl": {
    "h": 230.377,
    "s": 44.538,
    "l": 46.667
  },
  "oklch": {
    "l": 0.47728,
    "c": 0.1428,
    "h": 271.8
  },
  "luminance": 0.10323
}

Semantic roles & 50–950 ramp

primary

#4253AC

secondary

#C1B889

accent

#C054D4

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #4253AC

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

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