#37598C#37598C

#37598C is a mid, moderate blue. Relative luminance 0.099; OKLCH L 46.3% C 0.093 H 258.3°. Best body text is #FFFFFF at 7.07:1 contrast (WCAG AA passes).

Color values

HEX	#37598C
RGB	rgb(55, 89, 140)
HSL	hsl(216, 44%, 38%)
HSV	hsv(216, 61%, 55%)
CMYK	cmyk(60.7%, 36.4%, 0%, 45.1%)
CIE-LAB	lab(37.57, 4.18, -32.01)
CIE-LCH	lch(37.57, 32.28, 277.45°)
OKLab	oklab(46.29% -0.0188 -0.0906)
OKLCH	oklch(46.29% 0.093 258.3)
XYZ	xyz(9.8799, 9.8496, 26.1864)
Luminance	0.0985 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37598C #8C6A37

analogous

#37838C #37598C #3F378C

triadic

#37598C #8C3759 #598C37

tetradic

#37598C #8C3783 #8C6A37 #378C3F

square

#37598C #8C3783 #8C6A37 #378C3F

split-complementary

#37598C #8C3F37 #838C37

monochromatic

#142134 #263D60 #37598C #4975B7 #7596C9

Accessibility & contrast

On white

7.07

#37598C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.97

#37598C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37598C

7.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37598C	#FFFFFF	#000000	##FFFFFF
##37598C	1.00	7.07	2.97	7.07
#FFFFFF	7.07	1.00	21.00	1.00
#000000	2.97	21.00	1.00	21.00
##FFFFFF	7.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#445D8E

Deuteranopia (green-blind)

#38558B

Tritanopia (blue-blind)

#00646C

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #37598c;
/* rgb */ color: rgb(55, 89, 140);
/* oklch */ color: oklch(46.3% 0.093 258.3);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#37598c",
  "rgb": {
    "r": 55,
    "g": 89,
    "b": 140
  },
  "hsl": {
    "h": 216,
    "s": 43.59,
    "l": 38.235
  },
  "oklch": {
    "l": 0.46289,
    "c": 0.09254,
    "h": 258.3
  },
  "luminance": 0.0985
}

Semantic roles & 50–950 ramp

primary

#37598C

secondary

#B1966D

accent

#A154D3

background

#F7F8FA

surface

#EDEFF4

border

#C8CACE

text

#090B10

muted

#7B7C7F

Preview Lab

Preview with #37598C

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

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