#37409F#37409F

#37409F is a dark, vivid blue. Relative luminance 0.070; OKLCH L 42.3% C 0.152 H 273.8°. Best body text is #FFFFFF at 8.76:1 contrast (WCAG AA passes).

Color values

HEX	#37409F
RGB	rgb(55, 64, 159)
HSL	hsl(235, 49%, 42%)
HSV	hsv(235, 65%, 62%)
CMYK	cmyk(65.4%, 59.7%, 0%, 37.6%)
CIE-LAB	lab(31.76, 27.49, -52.84)
CIE-LCH	lch(31.76, 59.57, 297.49°)
OKLab	oklab(42.27% 0.0101 -0.1521)
OKLCH	oklch(42.27% 0.152 273.8)
XYZ	xyz(9.6649, 6.9814, 33.6324)
Luminance	0.0698 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37409F #9F9637

analogous

#37749F #37409F #62379F

triadic

#37409F #9F3740 #409F37

tetradic

#37409F #9F3774 #9F9637 #379F62

square

#37409F #9F3774 #9F9637 #379F62

split-complementary

#37409F #9F6237 #749F37

monochromatic

#181B44 #272E72 #37409F #515AC3 #7E85D2

Accessibility & contrast

On white

8.76

#37409F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#37409F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37409F

8.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37409F	#FFFFFF	#000000	##FFFFFF
##37409F	1.00	8.76	2.40	8.76
#FFFFFF	8.76	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FA2

Deuteranopia (green-blind)

#00469D

Tritanopia (blue-blind)

#005769

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #37409f;
/* rgb */ color: rgb(55, 64, 159);
/* oklch */ color: oklch(42.3% 0.152 273.8);

Tailwind

colors: {
  custom: {
    50: '#7a74bc',
    500: '#37409f',
    950: '#000000',
  },
}

SCSS

$custom: #37409f;
$custom-light: #7a74bc;
$custom-dark: #000000;

JSON

{
  "hex": "#37409f",
  "rgb": {
    "r": 55,
    "g": 64,
    "b": 159
  },
  "hsl": {
    "h": 234.808,
    "s": 48.598,
    "l": 41.961
  },
  "oklch": {
    "l": 0.42265,
    "c": 0.15243,
    "h": 273.8
  },
  "luminance": 0.06982
}

Semantic roles & 50–950 ramp

primary

#37409F

secondary

#BCB676

accent

#CC50D8

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #37409F

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

Preview Lab → · Contrast checker → · Palette generator →