#37489E#37489E

#37489E is a dark, vivid blue. Relative luminance 0.079; OKLCH L 43.8% C 0.141 H 271.0°. Best body text is #FFFFFF at 8.13:1 contrast (WCAG AA passes).

Color values

HEX	#37489E
RGB	rgb(55, 72, 158)
HSL	hsl(230, 48%, 42%)
HSV	hsv(230, 65%, 62%)
CMYK	cmyk(65.2%, 54.4%, 0%, 38%)
CIE-LAB	lab(33.80, 21.86, -48.93)
CIE-LCH	lch(33.80, 53.59, 294.07°)
OKLab	oklab(43.77% 0.0026 -0.1405)
OKLCH	oklch(43.77% 0.141 271)
XYZ	xyz(10.0624, 7.9147, 33.3385)
Luminance	0.0792 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37489E #9E8D37

analogous

#377C9E #37489E #5A379E

triadic

#37489E #9E3748 #489E37

tetradic

#37489E #9E377C #9E8D37 #379E5A

square

#37489E #9E377C #9E8D37 #379E5A

split-complementary

#37489E #9E5A37 #7C9E37

monochromatic

#171F43 #273371 #37489E #5063C2 #7D8BD2

Accessibility & contrast

On white

8.13

#37489E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#37489E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37489E

8.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37489E	#FFFFFF	#000000	##FFFFFF
##37489E	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)

#0D54A1

Deuteranopia (green-blind)

#004B9C

Tritanopia (blue-blind)

#005C6C

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #37489e;
/* rgb */ color: rgb(55, 72, 158);
/* oklch */ color: oklch(43.8% 0.141 271.0);

Tailwind

colors: {
  custom: {
    50: '#797abb',
    500: '#37489e',
    950: '#000000',
  },
}

SCSS

$custom: #37489e;
$custom-light: #797abb;
$custom-dark: #000000;

JSON

{
  "hex": "#37489e",
  "rgb": {
    "r": 55,
    "g": 72,
    "b": 158
  },
  "hsl": {
    "h": 230.097,
    "s": 48.357,
    "l": 41.765
  },
  "oklch": {
    "l": 0.43765,
    "c": 0.14052,
    "h": 271
  },
  "luminance": 0.07916
}

Semantic roles & 50–950 ramp

primary

#37489E

secondary

#BBB076

accent

#C150D8

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#0A0912

muted

#7C7B81

Preview Lab

Preview with #37489E

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

Preview Lab → · Contrast checker → · Palette generator →