#37538D#37538D

#37538D is a dark, moderate blue. Relative luminance 0.089; OKLCH L 45.0% C 0.101 H 263.4°. Best body text is #FFFFFF at 7.54:1 contrast (WCAG AA passes).

Color values

HEX	#37538D
RGB	rgb(55, 83, 141)
HSL	hsl(220, 44%, 38%)
HSV	hsv(220, 61%, 55%)
CMYK	cmyk(61%, 41.1%, 0%, 44.7%)
CIE-LAB	lab(35.83, 8.42, -35.37)
CIE-LCH	lch(35.83, 36.36, 283.39°)
OKLab	oklab(44.96% -0.0116 -0.1005)
OKLCH	oklch(44.96% 0.101 263.4)
XYZ	xyz(9.4749, 8.9210, 26.4168)
Luminance	0.0892 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37538D #8D7137

analogous

#377E8D #37538D #46378D

triadic

#37538D #8D3753 #538D37

tetradic

#37538D #8D377E #8D7137 #378D46

square

#37538D #8D377E #8D7137 #378D46

split-complementary

#37538D #8D4637 #7E8D37

monochromatic

#151F35 #263961 #37538D #496DB8 #7591C9

Accessibility & contrast

On white

7.54

#37538D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.78

#37538D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37538D

7.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37538D	#FFFFFF	#000000	##FFFFFF
##37538D	1.00	7.54	2.78	7.54
#FFFFFF	7.54	1.00	21.00	1.00
#000000	2.78	21.00	1.00	21.00
##FFFFFF	7.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A598F

Deuteranopia (green-blind)

#2E518C

Tritanopia (blue-blind)

#006069

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #37538d;
/* rgb */ color: rgb(55, 83, 141);
/* oklch */ color: oklch(45.0% 0.101 263.4);

Tailwind

colors: {
  custom: {
    50: '#7683af',
    500: '#37538d',
    950: '#000000',
  },
}

SCSS

$custom: #37538d;
$custom-light: #7683af;
$custom-dark: #000000;

JSON

{
  "hex": "#37538d",
  "rgb": {
    "r": 55,
    "g": 83,
    "b": 141
  },
  "hsl": {
    "h": 220.465,
    "s": 43.878,
    "l": 38.431
  },
  "oklch": {
    "l": 0.44958,
    "c": 0.10118,
    "h": 263.4
  },
  "luminance": 0.08922
}

Semantic roles & 50–950 ramp

primary

#37538D

secondary

#B29C6E

accent

#AA54D4

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#090A10

muted

#7B7C7F

Preview Lab

Preview with #37538D

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

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