#37489F#37489F

#37489F is a dark, vivid blue. Relative luminance 0.080; OKLCH L 43.8% C 0.142 H 271.1°. Best body text is #FFFFFF at 8.11:1 contrast (WCAG AA passes).

Color values

HEX	#37489F
RGB	rgb(55, 72, 159)
HSL	hsl(230, 49%, 42%)
HSV	hsv(230, 65%, 62%)
CMYK	cmyk(65.4%, 54.7%, 0%, 37.6%)
CIE-LAB	lab(33.88, 22.22, -49.42)
CIE-LCH	lch(33.88, 54.18, 294.21°)
OKLab	oklab(43.84% 0.0026 -0.1419)
OKLCH	oklch(43.84% 0.142 271.1)
XYZ	xyz(10.1488, 7.9493, 33.7937)
Luminance	0.0795 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37489F #9F8E37

analogous

#377C9F #37489F #5A379F

triadic

#37489F #9F3748 #489F37

tetradic

#37489F #9F377C #9F8E37 #379F5A

square

#37489F #9F377C #9F8E37 #379F5A

split-complementary

#37489F #9F5A37 #7C9F37

monochromatic

#181F44 #273372 #37489F #5163C3 #7E8CD2

Accessibility & contrast

On white

8.11

#37489F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#37489F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37489F

8.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37489F	#FFFFFF	#000000	##FFFFFF
##37489F	1.00	8.11	2.59	8.11
#FFFFFF	8.11	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A54A2

Deuteranopia (green-blind)

#004B9D

Tritanopia (blue-blind)

#005D6C

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #37489f;
/* rgb */ color: rgb(55, 72, 159);
/* oklch */ color: oklch(43.8% 0.142 271.1);

Tailwind

colors: {
  custom: {
    50: '#797abc',
    500: '#37489f',
    950: '#000000',
  },
}

SCSS

$custom: #37489f;
$custom-light: #797abc;
$custom-dark: #000000;

JSON

{
  "hex": "#37489f",
  "rgb": {
    "r": 55,
    "g": 72,
    "b": 159
  },
  "hsl": {
    "h": 230.192,
    "s": 48.598,
    "l": 41.961
  },
  "oklch": {
    "l": 0.43843,
    "c": 0.14194,
    "h": 271.1
  },
  "luminance": 0.0795
}

Semantic roles & 50–950 ramp

primary

#37489F

secondary

#BCB076

accent

#C250D8

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#0A0912

muted

#7C7B81

Preview Lab

Preview with #37489F

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

Preview Lab → · Contrast checker → · Palette generator →