#37598D#37598D

#37598D is a mid, moderate blue. Relative luminance 0.099; OKLCH L 46.3% C 0.094 H 258.6°. Best body text is #FFFFFF at 7.06:1 contrast (WCAG AA passes).

Color values

HEX	#37598D
RGB	rgb(55, 89, 141)
HSL	hsl(216, 44%, 38%)
HSV	hsv(216, 61%, 55%)
CMYK	cmyk(61%, 36.9%, 0%, 44.7%)
CIE-LAB	lab(37.62, 4.54, -32.53)
CIE-LCH	lch(37.62, 32.85, 277.94°)
OKLab	oklab(46.35% -0.0185 -0.0921)
OKLCH	oklch(46.35% 0.094 258.6)
XYZ	xyz(9.9540, 9.8792, 26.5765)
Luminance	0.0988 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37598D #8D6B37

analogous

#37848D #37598D #40378D

triadic

#37598D #8D3759 #598D37

tetradic

#37598D #8D3784 #8D6B37 #378D40

square

#37598D #8D3784 #8D6B37 #378D40

split-complementary

#37598D #8D4037 #848D37

monochromatic

#152135 #263D61 #37598D #4975B8 #7596C9

Accessibility & contrast

On white

7.06

#37598D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.98

#37598D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37598D

7.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37598D	#FFFFFF	#000000	##FFFFFF
##37598D	1.00	7.06	2.98	7.06
#FFFFFF	7.06	1.00	21.00	1.00
#000000	2.98	21.00	1.00	21.00
##FFFFFF	7.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#435D8F

Deuteranopia (green-blind)

#38558C

Tritanopia (blue-blind)

#00656C

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #37598d;
/* rgb */ color: rgb(55, 89, 141);
/* oklch */ color: oklch(46.3% 0.094 258.6);

Tailwind

colors: {
  custom: {
    50: '#7587ae',
    500: '#37598d',
    950: '#000000',
  },
}

SCSS

$custom: #37598d;
$custom-light: #7587ae;
$custom-dark: #000000;

JSON

{
  "hex": "#37598d",
  "rgb": {
    "r": 55,
    "g": 89,
    "b": 141
  },
  "hsl": {
    "h": 216.279,
    "s": 43.878,
    "l": 38.431
  },
  "oklch": {
    "l": 0.46348,
    "c": 0.09398,
    "h": 258.6
  },
  "luminance": 0.0988
}

Semantic roles & 50–950 ramp

primary

#37598D

secondary

#B2976E

accent

#A154D4

background

#F7F8FA

surface

#EDEFF4

border

#C8CACE

text

#090B10

muted

#7B7C7F

Preview Lab

Preview with #37598D

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

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