#37458E#37458E

#37458E is a dark, vivid blue. Relative luminance 0.070; OKLCH L 41.9% C 0.121 H 272.0°. Best body text is #FFFFFF at 8.73:1 contrast (WCAG AA passes).

Color values

HEX	#37458E
RGB	rgb(55, 69, 142)
HSL	hsl(230, 44%, 39%)
HSV	hsv(230, 61%, 56%)
CMYK	cmyk(61.3%, 51.4%, 0%, 44.3%)
CIE-LAB	lab(31.85, 18.07, -42.35)
CIE-LCH	lch(31.85, 46.04, 293.11°)
OKLab	oklab(41.94% 0.0043 -0.1212)
OKLCH	oklch(41.94% 0.121 272)
XYZ	xyz(8.5845, 7.0208, 26.4887)
Luminance	0.0702 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37458E #8E8037

analogous

#37708E #37458E #54378E

triadic

#37458E #8E3745 #458E37

tetradic

#37458E #8E3770 #8E8037 #378E54

square

#37458E #8E3770 #8E8037 #378E54

split-complementary

#37458E #8E5437 #708E37

monochromatic

#151A36 #263062 #37458E #495BB9 #7683CA

Accessibility & contrast

On white

8.73

#37458E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#37458E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37458E

8.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37458E	#FFFFFF	#000000	##FFFFFF
##37458E	1.00	8.73	2.40	8.73
#FFFFFF	8.73	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E4F91

Deuteranopia (green-blind)

#0C478C

Tritanopia (blue-blind)

#005663

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #37458e;
/* rgb */ color: rgb(55, 69, 142);
/* oklch */ color: oklch(41.9% 0.121 272.0);

Tailwind

colors: {
  custom: {
    50: '#7678af',
    500: '#37458e',
    950: '#000000',
  },
}

SCSS

$custom: #37458e;
$custom-light: #7678af;
$custom-dark: #000000;

JSON

{
  "hex": "#37458e",
  "rgb": {
    "r": 55,
    "g": 69,
    "b": 142
  },
  "hsl": {
    "h": 230.345,
    "s": 44.162,
    "l": 38.627
  },
  "oklch": {
    "l": 0.41935,
    "c": 0.12124,
    "h": 272
  },
  "luminance": 0.07021
}

Semantic roles & 50–950 ramp

primary

#37458E

secondary

#B3A86E

accent

#BF54D4

background

#F7F7FA

surface

#EEEDF5

border

#C9C8CF

text

#090810

muted

#7B7B7F

Preview Lab

Preview with #37458E

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

Preview Lab → · Contrast checker → · Palette generator →