#37448E#37448E

#37448E is a dark, vivid blue. Relative luminance 0.069; OKLCH L 41.7% C 0.123 H 272.5°. Best body text is #FFFFFF at 8.82:1 contrast (WCAG AA passes).

Color values

HEX	#37448E
RGB	rgb(55, 68, 142)
HSL	hsl(231, 44%, 39%)
HSV	hsv(231, 61%, 56%)
CMYK	cmyk(61.3%, 52.1%, 0%, 44.3%)
CIE-LAB	lab(31.58, 18.74, -42.79)
CIE-LCH	lch(31.58, 46.72, 293.64°)
OKLab	oklab(41.72% 0.0054 -0.1225)
OKLCH	oklch(41.72% 0.123 272.5)
XYZ	xyz(8.5235, 6.8988, 26.4684)
Luminance	0.0690 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37448E #8E8137

analogous

#376F8E #37448E #55378E

triadic

#37448E #8E3744 #448E37

tetradic

#37448E #8E376F #8E8137 #378E55

square

#37448E #8E376F #8E8137 #378E55

split-complementary

#37448E #8E5537 #6F8E37

monochromatic

#151A36 #262F62 #37448E #495AB9 #7682CA

Accessibility & contrast

On white

8.82

#37448E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#37448E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37448E

8.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37448E	#FFFFFF	#000000	##FFFFFF
##37448E	1.00	8.82	2.38	8.82
#FFFFFF	8.82	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B4E91

Deuteranopia (green-blind)

#07478C

Tritanopia (blue-blind)

#005562

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #37448e;
/* rgb */ color: rgb(55, 68, 142);
/* oklch */ color: oklch(41.7% 0.123 272.5);

Tailwind

colors: {
  custom: {
    50: '#7677b0',
    500: '#37448e',
    950: '#000000',
  },
}

SCSS

$custom: #37448e;
$custom-light: #7677b0;
$custom-dark: #000000;

JSON

{
  "hex": "#37448e",
  "rgb": {
    "r": 55,
    "g": 68,
    "b": 142
  },
  "hsl": {
    "h": 231.034,
    "s": 44.162,
    "l": 38.627
  },
  "oklch": {
    "l": 0.41724,
    "c": 0.12261,
    "h": 272.5
  },
  "luminance": 0.06899
}

Semantic roles & 50–950 ramp

primary

#37448E

secondary

#B3A86E

accent

#C154D4

background

#F7F7FA

surface

#EEEDF5

border

#C9C8CF

text

#090810

muted

#7B7B7F

Preview Lab

Preview with #37448E

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

Preview Lab → · Contrast checker → · Palette generator →