#37559D#37559D

#37559D is a mid, vivid blue. Relative luminance 0.097; OKLCH L 46.5% C 0.122 H 265.0°. Best body text is #FFFFFF at 7.12:1 contrast (WCAG AA passes).

Color values

HEX	#37559D
RGB	rgb(55, 85, 157)
HSL	hsl(222, 48%, 42%)
HSV	hsv(222, 65%, 62%)
CMYK	cmyk(65%, 45.9%, 0%, 38.4%)
CIE-LAB	lab(37.38, 12.91, -42.58)
CIE-LCH	lch(37.38, 44.50, 286.86°)
OKLab	oklab(46.46% -0.0106 -0.1216)
OKLCH	oklch(46.46% 0.122 265)
XYZ	xyz(10.9077, 9.7425, 33.1974)
Luminance	0.0974 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37559D #9D7F37

analogous

#37889D #37559D #4C379D

triadic

#37559D #9D3755 #559D37

tetradic

#37559D #9D3788 #9D7F37 #379D4C

square

#37559D #9D3788 #9D7F37 #379D4C

split-complementary

#37559D #9D4C37 #889D37

monochromatic

#172442 #273C70 #37559D #5071C2 #7D96D1

Accessibility & contrast

On white

7.12

#37559D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.95

#37559D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37559D

7.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37559D	#FFFFFF	#000000	##FFFFFF
##37559D	1.00	7.12	2.95	7.12
#FFFFFF	7.12	1.00	21.00	1.00
#000000	2.95	21.00	1.00	21.00
##FFFFFF	7.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#325DA0

Deuteranopia (green-blind)

#21549C

Tritanopia (blue-blind)

#006571

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #37559d;
/* rgb */ color: rgb(55, 85, 157);
/* oklch */ color: oklch(46.5% 0.122 265.0);

Tailwind

colors: {
  custom: {
    50: '#7884ba',
    500: '#37559d',
    950: '#000000',
  },
}

SCSS

$custom: #37559d;
$custom-light: #7884ba;
$custom-dark: #000000;

JSON

{
  "hex": "#37559d",
  "rgb": {
    "r": 55,
    "g": 85,
    "b": 157
  },
  "hsl": {
    "h": 222.353,
    "s": 48.113,
    "l": 41.569
  },
  "oklch": {
    "l": 0.46458,
    "c": 0.1221,
    "h": 265
  },
  "luminance": 0.09744
}

Semantic roles & 50–950 ramp

primary

#37559D

secondary

#BBA675

accent

#B050D8

background

#F7F8FB

surface

#EEEFF6

border

#C9CAD0

text

#0A0A12

muted

#7C7C81

Preview Lab

Preview with #37559D

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

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