#2237A0#2237A0

#2237A0 is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.5% C 0.171 H 268.3°. Best body text is #FFFFFF at 9.90:1 contrast (WCAG AA passes).

Color values

HEX	#2237A0
RGB	rgb(34, 55, 160)
HSL	hsl(230, 65%, 38%)
HSV	hsv(230, 79%, 63%)
CMYK	cmyk(78.8%, 65.6%, 0%, 37.3%)
CIE-LAB	lab(28.41, 31.04, -58.98)
CIE-LCH	lch(28.41, 66.65, 297.75°)
OKLab	oklab(39.5% -0.0052 -0.1707)
OKLCH	oklch(39.5% 0.171 268.3)
XYZ	xyz(8.3688, 5.6096, 33.8926)
Luminance	0.0561 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2237A0 #A08B22

analogous

#2276A0 #2237A0 #4C22A0

triadic

#2237A0 #A02237 #37A022

tetradic

#2237A0 #A02276 #A08B22 #22A04C

square

#2237A0 #A02276 #A08B22 #22A04C

split-complementary

#2237A0 #A04C22 #76A022

monochromatic

#0D143B #17266E #2237A0 #2D48D2 #5F74DD

Accessibility & contrast

On white

9.90

#2237A0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#2237A0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2237A0

9.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2237A0	#FFFFFF	#000000	##FFFFFF
##2237A0	1.00	9.90	2.12	9.90
#FFFFFF	9.90	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049A3

Deuteranopia (green-blind)

#003D9E

Tritanopia (blue-blind)

#005366

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #2237a0;
/* rgb */ color: rgb(34, 55, 160);
/* oklch */ color: oklch(39.5% 0.171 268.3);

Tailwind

colors: {
  custom: {
    50: '#736dbd',
    500: '#2237a0',
    950: '#000000',
  },
}

SCSS

$custom: #2237a0;
$custom-light: #736dbd;
$custom-dark: #000000;

JSON

{
  "hex": "#2237a0",
  "rgb": {
    "r": 34,
    "g": 55,
    "b": 160
  },
  "hsl": {
    "h": 230,
    "s": 64.948,
    "l": 38.039
  },
  "oklch": {
    "l": 0.39501,
    "c": 0.17076,
    "h": 268.3
  },
  "luminance": 0.05611
}

Semantic roles & 50–950 ramp

primary

#2237A0

secondary

#C2B15C

accent

#CC40E8

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #2237A0

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

Preview Lab → · Contrast checker → · Palette generator →