#3237CB#3237CB

#3237CB is a dark, highly saturated blue. Relative luminance 0.077; OKLCH L 44.6% C 0.221 H 271.6°. Best body text is #FFFFFF at 8.25:1 contrast (WCAG AA passes).

Color values

HEX	#3237CB
RGB	rgb(50, 55, 203)
HSL	hsl(238, 60%, 50%)
HSV	hsv(238, 75%, 80%)
CMYK	cmyk(75.4%, 72.9%, 0%, 20.4%)
CIE-LAB	lab(33.39, 47.69, -76.28)
CIE-LCH	lch(33.39, 89.96, 302.02°)
OKLab	oklab(44.59% 0.0064 -0.2208)
OKLCH	oklch(44.59% 0.221 271.6)
XYZ	xyz(13.4574, 7.7208, 57.2694)
Luminance	0.0772 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue Blue

#2242C7

ΔE00 3.57

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3237CB #CBC632

analogous

#3284CB #3237CB #7932CB

triadic

#3237CB #CB3237 #37CB32

tetradic

#3237CB #CB3284 #CBC632 #32CB79

square

#3237CB #CB3284 #CBC632 #32CB79

split-complementary

#3237CB #CB7932 #84CB32

monochromatic

#1A1C69 #262A9A #3237CB #6266D8 #9396E4

Accessibility & contrast

On white

8.25

#3237CB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#3237CB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3237CB

8.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3237CB	#FFFFFF	#000000	##FFFFFF
##3237CB	1.00	8.25	2.54	8.25
#FFFFFF	8.25	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056CF

Deuteranopia (green-blind)

#0047C8

Tritanopia (blue-blind)

#00627E

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #3237cb;
/* rgb */ color: rgb(50, 55, 203);
/* oklch */ color: oklch(44.6% 0.221 271.6);

Tailwind

colors: {
  custom: {
    50: '#826fdc',
    500: '#3237cb',
    950: '#000000',
  },
}

SCSS

$custom: #3237cb;
$custom-light: #826fdc;
$custom-dark: #000000;

JSON

{
  "hex": "#3237cb",
  "rgb": {
    "r": 50,
    "g": 55,
    "b": 203
  },
  "hsl": {
    "h": 238.039,
    "s": 60.474,
    "l": 49.608
  },
  "oklch": {
    "l": 0.44589,
    "c": 0.2209,
    "h": 271.6
  },
  "luminance": 0.07722
}

Semantic roles & 50–950 ramp

primary

#3237CB

secondary

#CFCD89

accent

#DE44E4

background

#F8F6FD

surface

#F0ECFB

border

#CBC7D4

text

#0D0715

muted

#7D7A83

Preview Lab

Preview with #3237CB

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

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