#2237D3#2237D3

#2237D3 is a dark, highly saturated blue. Relative luminance 0.078; OKLCH L 44.7% C 0.234 H 267.6°. Best body text is #FFFFFF at 8.22:1 contrast (WCAG AA passes).

Color values

HEX	#2237D3
RGB	rgb(34, 55, 211)
HSL	hsl(233, 72%, 48%)
HSV	hsv(233, 84%, 83%)
CMYK	cmyk(83.9%, 73.9%, 0%, 17.3%)
CIE-LAB	lab(33.51, 49.27, -80.76)
CIE-LCH	lch(33.51, 94.60, 301.39°)
OKLab	oklab(44.72% -0.0098 -0.2341)
OKLCH	oklch(44.72% 0.234 267.6)
XYZ	xyz(13.7797, 7.7739, 62.3896)
Luminance	0.0778 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2237D3 #D3BE22

analogous

#2290D3 #2237D3 #6522D3

triadic

#2237D3 #D32237 #37D322

tetradic

#2237D3 #D32290 #D3BE22 #22D365

square

#2237D3 #D32290 #D3BE22 #22D365

split-complementary

#2237D3 #D36522 #90D322

monochromatic

#111C6A #1A299E #2237D3 #4F61E3 #8490EB

Accessibility & contrast

On white

8.22

#2237D3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#2237D3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2237D3

8.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2237D3	#FFFFFF	#000000	##FFFFFF
##2237D3	1.00	8.22	2.56	8.22
#FFFFFF	8.22	1.00	21.00	1.00
#000000	2.56	21.00	1.00	21.00
##FFFFFF	8.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058D8

Deuteranopia (green-blind)

#0046D0

Tritanopia (blue-blind)

#006582

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #2237d3;
/* rgb */ color: rgb(34, 55, 211);
/* oklch */ color: oklch(44.7% 0.234 267.6);

Tailwind

colors: {
  custom: {
    50: '#806fe2',
    500: '#2237d3',
    950: '#000000',
  },
}

SCSS

$custom: #2237d3;
$custom-light: #806fe2;
$custom-dark: #000000;

JSON

{
  "hex": "#2237d3",
  "rgb": {
    "r": 34,
    "g": 55,
    "b": 211
  },
  "hsl": {
    "h": 232.881,
    "s": 72.245,
    "l": 48.039
  },
  "oklch": {
    "l": 0.44718,
    "c": 0.23431,
    "h": 267.6
  },
  "luminance": 0.07776
}

Semantic roles & 50–950 ramp

primary

#2237D3

secondary

#D4CA7D

accent

#D939EF

background

#F8F6FE

surface

#F0ECFC

border

#CBC7D5

text

#0C0716

muted

#7D7A84

Preview Lab

Preview with #2237D3

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

Preview Lab → · Contrast checker → · Palette generator →