#4253CA#4253CA

#4253CA is a mid, vivid blue. Relative luminance 0.116; OKLCH L 50.0% C 0.184 H 271.8°. Best body text is #FFFFFF at 6.32:1 contrast (WCAG AA passes).

Color values

HEX	#4253CA
RGB	rgb(66, 83, 202)
HSL	hsl(233, 56%, 53%)
HSV	hsv(233, 67%, 79%)
CMYK	cmyk(67.3%, 58.9%, 0%, 20.8%)
CIE-LAB	lab(40.59, 32.16, -63.88)
CIE-LCH	lch(40.59, 71.51, 296.72°)
OKLab	oklab(50.04% 0.0058 -0.184)
OKLCH	oklch(50.04% 0.184 271.8)
XYZ	xyz(15.9971, 11.6075, 57.2631)
Luminance	0.1161 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4253CA #CAB942

analogous

#4297CA #4253CA #7542CA

triadic

#4253CA #CA4253 #53CA42

tetradic

#4253CA #CA4297 #CAB942 #42CA75

square

#4253CA #CA4297 #CAB942 #42CA75

split-complementary

#4253CA #CA7542 #97CA42

monochromatic

#202A72 #2D3CA2 #4253CA #727ED7 #A2AAE5

Accessibility & contrast

On white

6.32

#4253CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.32

#4253CA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4253CA

6.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4253CA	#FFFFFF	#000000	##FFFFFF
##4253CA	1.00	6.32	3.32	6.32
#FFFFFF	6.32	1.00	21.00	1.00
#000000	3.32	21.00	1.00	21.00
##FFFFFF	6.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066CE

Deuteranopia (green-blind)

#005AC8

Tritanopia (blue-blind)

#007086

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #4253ca;
/* rgb */ color: rgb(66, 83, 202);
/* oklch */ color: oklch(50.0% 0.184 271.8);

Tailwind

colors: {
  custom: {
    50: '#8683db',
    500: '#4253ca',
    950: '#000000',
  },
}

SCSS

$custom: #4253ca;
$custom-light: #8683db;
$custom-dark: #000000;

JSON

{
  "hex": "#4253ca",
  "rgb": {
    "r": 66,
    "g": 83,
    "b": 202
  },
  "hsl": {
    "h": 232.5,
    "s": 56.198,
    "l": 52.549
  },
  "oklch": {
    "l": 0.5004,
    "c": 0.18414,
    "h": 271.8
  },
  "luminance": 0.11609
}

Semantic roles & 50–950 ramp

primary

#4253CA

secondary

#D1CA96

accent

#CD48DF

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #4253CA

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

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