#37538C#37538C

#37538C is a dark, moderate blue. Relative luminance 0.089; OKLCH L 44.9% C 0.100 H 263.2°. Best body text is #FFFFFF at 7.56:1 contrast (WCAG AA passes).

Color values

HEX	#37538C
RGB	rgb(55, 83, 140)
HSL	hsl(220, 44%, 38%)
HSV	hsv(220, 61%, 55%)
CMYK	cmyk(60.7%, 40.7%, 0%, 45.1%)
CIE-LAB	lab(35.77, 8.07, -34.86)
CIE-LCH	lch(35.77, 35.78, 283.03°)
OKLab	oklab(44.9% -0.0118 -0.099)
OKLCH	oklch(44.9% 0.1 263.2)
XYZ	xyz(9.4008, 8.8914, 26.0267)
Luminance	0.0889 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37538C #8C7037

analogous

#377D8C #37538C #45378C

triadic

#37538C #8C3753 #538C37

tetradic

#37538C #8C377D #8C7037 #378C45

square

#37538C #8C377D #8C7037 #378C45

split-complementary

#37538C #8C4537 #7D8C37

monochromatic

#141F34 #263960 #37538C #496DB7 #7590C9

Accessibility & contrast

On white

7.56

#37538C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.78

#37538C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37538C

7.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37538C	#FFFFFF	#000000	##FFFFFF
##37538C	1.00	7.56	2.78	7.56
#FFFFFF	7.56	1.00	21.00	1.00
#000000	2.78	21.00	1.00	21.00
##FFFFFF	7.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B588E

Deuteranopia (green-blind)

#2F518B

Tritanopia (blue-blind)

#006068

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #37538c;
/* rgb */ color: rgb(55, 83, 140);
/* oklch */ color: oklch(44.9% 0.100 263.2);

Tailwind

colors: {
  custom: {
    50: '#7583ae',
    500: '#37538c',
    950: '#000000',
  },
}

SCSS

$custom: #37538c;
$custom-light: #7583ae;
$custom-dark: #000000;

JSON

{
  "hex": "#37538c",
  "rgb": {
    "r": 55,
    "g": 83,
    "b": 140
  },
  "hsl": {
    "h": 220.235,
    "s": 43.59,
    "l": 38.235
  },
  "oklch": {
    "l": 0.44895,
    "c": 0.09969,
    "h": 263.2
  },
  "luminance": 0.08892
}

Semantic roles & 50–950 ramp

primary

#37538C

secondary

#B19B6D

accent

#AA54D3

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#090A10

muted

#7B7C7F

Preview Lab

Preview with #37538C

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

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