#37499F#37499F

#37499F is a dark, vivid blue. Relative luminance 0.081; OKLCH L 44.0% C 0.141 H 270.7°. Best body text is #FFFFFF at 8.03:1 contrast (WCAG AA passes).

Color values

HEX	#37499F
RGB	rgb(55, 73, 159)
HSL	hsl(230, 49%, 42%)
HSV	hsv(230, 65%, 62%)
CMYK	cmyk(65.4%, 54.1%, 0%, 37.6%)
CIE-LAB	lab(34.15, 21.56, -48.98)
CIE-LCH	lch(34.15, 53.51, 293.76°)
OKLab	oklab(44.05% 0.0017 -0.1406)
OKLCH	oklch(44.05% 0.141 270.7)
XYZ	xyz(10.2140, 8.0796, 33.8154)
Luminance	0.0808 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37499F #9F8D37

analogous

#377D9F #37499F #59379F

triadic

#37499F #9F3749 #499F37

tetradic

#37499F #9F377D #9F8D37 #379F59

square

#37499F #9F377D #9F8D37 #379F59

split-complementary

#37499F #9F5937 #7D9F37

monochromatic

#181F44 #273472 #37499F #5164C3 #7E8DD2

Accessibility & contrast

On white

8.03

#37499F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.62

#37499F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37499F

8.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37499F	#FFFFFF	#000000	##FFFFFF
##37499F	1.00	8.03	2.62	8.03
#FFFFFF	8.03	1.00	21.00	1.00
#000000	2.62	21.00	1.00	21.00
##FFFFFF	8.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F55A2

Deuteranopia (green-blind)

#004C9D

Tritanopia (blue-blind)

#005D6D

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #37499f;
/* rgb */ color: rgb(55, 73, 159);
/* oklch */ color: oklch(44.0% 0.141 270.7);

Tailwind

colors: {
  custom: {
    50: '#797bbc',
    500: '#37499f',
    950: '#000000',
  },
}

SCSS

$custom: #37499f;
$custom-light: #797bbc;
$custom-dark: #000000;

JSON

{
  "hex": "#37499f",
  "rgb": {
    "r": 55,
    "g": 73,
    "b": 159
  },
  "hsl": {
    "h": 229.615,
    "s": 48.598,
    "l": 41.961
  },
  "oklch": {
    "l": 0.44047,
    "c": 0.14063,
    "h": 270.7
  },
  "luminance": 0.08081
}

Semantic roles & 50–950 ramp

primary

#37499F

secondary

#BCB076

accent

#C150D8

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#0A0912

muted

#7C7B81

Preview Lab

Preview with #37499F

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

Preview Lab → · Contrast checker → · Palette generator →