#37499A#37499A

#37499A is a dark, vivid blue. Relative luminance 0.079; OKLCH L 43.7% C 0.133 H 270.5°. Best body text is #FFFFFF at 8.13:1 contrast (WCAG AA passes).

Color values

HEX	#37499A
RGB	rgb(55, 73, 154)
HSL	hsl(229, 47%, 41%)
HSV	hsv(229, 64%, 60%)
CMYK	cmyk(64.3%, 52.6%, 0%, 39.6%)
CIE-LAB	lab(33.79, 19.74, -46.53)
CIE-LCH	lch(33.79, 50.55, 292.99°)
OKLab	oklab(43.67% 0.0013 -0.1334)
OKLCH	oklch(43.67% 0.133 270.5)
XYZ	xyz(9.7889, 7.9096, 31.5764)
Luminance	0.0791 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37499A #9A8837

analogous

#377A9A #37499A #56379A

triadic

#37499A #9A3749 #499A37

tetradic

#37499A #9A377A #9A8837 #379A56

square

#37499A #9A377A #9A8837 #379A56

split-complementary

#37499A #9A5637 #7A9A37

monochromatic

#171E40 #27346D #37499A #4E63C0 #7B8BD0

Accessibility & contrast

On white

8.13

#37499A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#37499A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37499A

8.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37499A	#FFFFFF	#000000	##FFFFFF
##37499A	1.00	8.13	2.58	8.13
#FFFFFF	8.13	1.00	21.00	1.00
#000000	2.58	21.00	1.00	21.00
##FFFFFF	8.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#19549D

Deuteranopia (green-blind)

#004B98

Tritanopia (blue-blind)

#005C6A

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #37499a;
/* rgb */ color: rgb(55, 73, 154);
/* oklch */ color: oklch(43.7% 0.133 270.5);

Tailwind

colors: {
  custom: {
    50: '#787bb8',
    500: '#37499a',
    950: '#000000',
  },
}

SCSS

$custom: #37499a;
$custom-light: #787bb8;
$custom-dark: #000000;

JSON

{
  "hex": "#37499a",
  "rgb": {
    "r": 55,
    "g": 73,
    "b": 154
  },
  "hsl": {
    "h": 229.091,
    "s": 47.368,
    "l": 40.98
  },
  "oklch": {
    "l": 0.43667,
    "c": 0.13343,
    "h": 270.5
  },
  "luminance": 0.0791
}

Semantic roles & 50–950 ramp

primary

#37499A

secondary

#B9AC74

accent

#BF51D7

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#0A0911

muted

#7C7B80

Preview Lab

Preview with #37499A

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

Preview Lab → · Contrast checker → · Palette generator →