#37359B#37359B

#37359B is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.9% C 0.161 H 277.1°. Best body text is #FFFFFF at 9.79:1 contrast (WCAG AA passes).

Color values

HEX	#37359B
RGB	rgb(55, 53, 155)
HSL	hsl(241, 49%, 41%)
HSV	hsv(241, 66%, 61%)
CMYK	cmyk(64.5%, 65.8%, 0%, 39.2%)
CIE-LAB	lab(28.71, 33.18, -55.40)
CIE-LCH	lch(28.71, 64.58, 300.92°)
OKLab	oklab(39.91% 0.0199 -0.1597)
OKLCH	oklch(39.91% 0.161 277.1)
XYZ	xyz(8.7631, 5.7243, 31.6471)
Luminance	0.0573 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37359B #999B35

analogous

#35669B #37359B #6A359B

triadic

#37359B #9B3735 #359B37

tetradic

#37359B #9B3566 #999B35 #359B6A

square

#37359B #9B3566 #999B35 #359B6A

split-complementary

#37359B #9B6A35 #669B35

monochromatic

#171640 #27256D #37359B #4E4CC2 #7B79D1

Accessibility & contrast

On white

9.79

#37359B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#37359B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37359B

9.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37359B	#FFFFFF	#000000	##FFFFFF
##37359B	1.00	9.79	2.15	9.79
#FFFFFF	9.79	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00489E

Deuteranopia (green-blind)

#003F99

Tritanopia (blue-blind)

#004F63

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #37359b;
/* rgb */ color: rgb(55, 53, 155);
/* oklch */ color: oklch(39.9% 0.161 277.1);

Tailwind

colors: {
  custom: {
    50: '#7a6db9',
    500: '#37359b',
    950: '#000000',
  },
}

SCSS

$custom: #37359b;
$custom-light: #7a6db9;
$custom-dark: #000000;

JSON

{
  "hex": "#37359b",
  "rgb": {
    "r": 55,
    "g": 53,
    "b": 155
  },
  "hsl": {
    "h": 241.176,
    "s": 49.038,
    "l": 40.784
  },
  "oklch": {
    "l": 0.39913,
    "c": 0.16092,
    "h": 277.1
  },
  "luminance": 0.05725
}

Semantic roles & 50–950 ramp

primary

#37359B

secondary

#B9BA72

accent

#D94FD6

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #37359B

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

Preview Lab → · Contrast checker → · Palette generator →