#37508D#37508D

#37508D is a dark, moderate blue. Relative luminance 0.085; OKLCH L 44.3% C 0.105 H 265.5°. Best body text is #FFFFFF at 7.79:1 contrast (WCAG AA passes).

Color values

HEX	#37508D
RGB	rgb(55, 80, 141)
HSL	hsl(223, 44%, 38%)
HSV	hsv(223, 61%, 55%)
CMYK	cmyk(61%, 43.3%, 0%, 44.7%)
CIE-LAB	lab(34.95, 10.39, -36.78)
CIE-LCH	lch(34.95, 38.22, 285.78°)
OKLab	oklab(44.28% -0.0082 -0.1047)
OKLCH	oklch(44.28% 0.105 265.5)
XYZ	xyz(9.2503, 8.4719, 26.3419)
Luminance	0.0847 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37508D #8D7437

analogous

#377B8D #37508D #49378D

triadic

#37508D #8D3750 #508D37

tetradic

#37508D #8D377B #8D7437 #378D49

square

#37508D #8D377B #8D7437 #378D49

split-complementary

#37508D #8D4937 #7B8D37

monochromatic

#151E35 #263761 #37508D #4969B8 #758EC9

Accessibility & contrast

On white

7.79

#37508D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#37508D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37508D

7.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37508D	#FFFFFF	#000000	##FFFFFF
##37508D	1.00	7.79	2.69	7.79
#FFFFFF	7.79	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#35568F

Deuteranopia (green-blind)

#294F8C

Tritanopia (blue-blind)

#005E67

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #37508d;
/* rgb */ color: rgb(55, 80, 141);
/* oklch */ color: oklch(44.3% 0.105 265.5);

Tailwind

colors: {
  custom: {
    50: '#7680af',
    500: '#37508d',
    950: '#000000',
  },
}

SCSS

$custom: #37508d;
$custom-light: #7680af;
$custom-dark: #000000;

JSON

{
  "hex": "#37508d",
  "rgb": {
    "r": 55,
    "g": 80,
    "b": 141
  },
  "hsl": {
    "h": 222.558,
    "s": 43.878,
    "l": 38.431
  },
  "oklch": {
    "l": 0.44275,
    "c": 0.10499,
    "h": 265.5
  },
  "luminance": 0.08473
}

Semantic roles & 50–950 ramp

primary

#37508D

secondary

#B29E6E

accent

#AF54D4

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#090A10

muted

#7B7C7F

Preview Lab

Preview with #37508D

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

Preview Lab → · Contrast checker → · Palette generator →