#37519D#37519D

#37519D is a mid, vivid blue. Relative luminance 0.091; OKLCH L 45.6% C 0.127 H 267.1°. Best body text is #FFFFFF at 7.43:1 contrast (WCAG AA passes).

Color values

HEX	#37519D
RGB	rgb(55, 81, 157)
HSL	hsl(225, 48%, 42%)
HSV	hsv(225, 65%, 62%)
CMYK	cmyk(65%, 48.4%, 0%, 38.4%)
CIE-LAB	lab(36.23, 15.54, -44.41)
CIE-LCH	lch(36.23, 47.05, 289.28°)
OKLab	oklab(45.59% -0.0065 -0.1271)
OKLCH	oklch(45.59% 0.127 267.1)
XYZ	xyz(10.6017, 9.1304, 33.0954)
Luminance	0.0913 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37519D #9D8337

analogous

#37849D #37519D #50379D

triadic

#37519D #9D3751 #519D37

tetradic

#37519D #9D3784 #9D8337 #379D50

square

#37519D #9D3784 #9D8337 #379D50

split-complementary

#37519D #9D5037 #849D37

monochromatic

#172242 #273A70 #37519D #506DC2 #7D92D1

Accessibility & contrast

On white

7.43

#37519D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.83

#37519D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37519D

7.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37519D	#FFFFFF	#000000	##FFFFFF
##37519D	1.00	7.43	2.83	7.43
#FFFFFF	7.43	1.00	21.00	1.00
#000000	2.83	21.00	1.00	21.00
##FFFFFF	7.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A5AA0

Deuteranopia (green-blind)

#16519B

Tritanopia (blue-blind)

#00626F

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #37519d;
/* rgb */ color: rgb(55, 81, 157);
/* oklch */ color: oklch(45.6% 0.127 267.1);

Tailwind

colors: {
  custom: {
    50: '#7981ba',
    500: '#37519d',
    950: '#000000',
  },
}

SCSS

$custom: #37519d;
$custom-light: #7981ba;
$custom-dark: #000000;

JSON

{
  "hex": "#37519d",
  "rgb": {
    "r": 55,
    "g": 81,
    "b": 157
  },
  "hsl": {
    "h": 224.706,
    "s": 48.113,
    "l": 41.569
  },
  "oklch": {
    "l": 0.45585,
    "c": 0.12725,
    "h": 267.1
  },
  "luminance": 0.09131
}

Semantic roles & 50–950 ramp

primary

#37519D

secondary

#BBA975

accent

#B550D8

background

#F7F7FB

surface

#EEEEF6

border

#C9C9D0

text

#0A0A12

muted

#7C7C81

Preview Lab

Preview with #37519D

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

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