#37408F#37408F

#37408F is a dark, vivid blue. Relative luminance 0.065; OKLCH L 41.0% C 0.130 H 274.3°. Best body text is #FFFFFF at 9.16:1 contrast (WCAG AA passes).

Color values

HEX	#37408F
RGB	rgb(55, 64, 143)
HSL	hsl(234, 44%, 39%)
HSV	hsv(234, 62%, 56%)
CMYK	cmyk(61.5%, 55.2%, 0%, 43.9%)
CIE-LAB	lab(30.55, 21.77, -45.06)
CIE-LCH	lch(30.55, 50.05, 295.78°)
OKLab	oklab(40.97% 0.0097 -0.1292)
OKLCH	oklch(40.97% 0.13 274.3)
XYZ	xyz(8.3652, 6.4615, 26.7877)
Luminance	0.0646 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37408F #8F8637

analogous

#376C8F #37408F #5A378F

triadic

#37408F #8F3740 #408F37

tetradic

#37408F #8F376C #8F8637 #378F5A

square

#37408F #8F376C #8F8637 #378F5A

split-complementary

#37408F #8F5A37 #6C8F37

monochromatic

#151837 #262C63 #37408F #4A55B9 #767FCA

Accessibility & contrast

On white

9.16

#37408F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#37408F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37408F

9.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37408F	#FFFFFF	#000000	##FFFFFF
##37408F	1.00	9.16	2.29	9.16
#FFFFFF	9.16	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C4C92

Deuteranopia (green-blind)

#00448D

Tritanopia (blue-blind)

#005261

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #37408f;
/* rgb */ color: rgb(55, 64, 143);
/* oklch */ color: oklch(41.0% 0.130 274.3);

Tailwind

colors: {
  custom: {
    50: '#7774b0',
    500: '#37408f',
    950: '#000000',
  },
}

SCSS

$custom: #37408f;
$custom-light: #7774b0;
$custom-dark: #000000;

JSON

{
  "hex": "#37408f",
  "rgb": {
    "r": 55,
    "g": 64,
    "b": 143
  },
  "hsl": {
    "h": 233.864,
    "s": 44.444,
    "l": 38.824
  },
  "oklch": {
    "l": 0.40974,
    "c": 0.12958,
    "h": 274.3
  },
  "luminance": 0.06462
}

Semantic roles & 50–950 ramp

primary

#37408F

secondary

#B3AC6F

accent

#C754D4

background

#F7F7FA

surface

#EEEDF5

border

#C9C8CF

text

#090811

muted

#7B7B80

Preview Lab

Preview with #37408F

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

Preview Lab → · Contrast checker → · Palette generator →