#37569B#37569B

#37569B is a mid, moderate blue. Relative luminance 0.098; OKLCH L 46.5% C 0.118 H 264.1°. Best body text is #FFFFFF at 7.08:1 contrast (WCAG AA passes).

Color values

HEX	#37569B
RGB	rgb(55, 86, 155)
HSL	hsl(221, 48%, 41%)
HSV	hsv(221, 65%, 61%)
CMYK	cmyk(64.5%, 44.5%, 0%, 39.2%)
CIE-LAB	lab(37.54, 11.53, -41.12)
CIE-LCH	lch(37.54, 42.70, 285.66°)
OKLab	oklab(46.55% -0.012 -0.1173)
OKLCH	oklch(46.55% 0.118 264.1)
XYZ	xyz(10.8177, 9.8334, 32.3319)
Luminance	0.0983 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37569B #9B7C37

analogous

#37889B #37569B #4A379B

triadic

#37569B #9B3756 #569B37

tetradic

#37569B #9B3788 #9B7C37 #379B4A

square

#37569B #9B3788 #9B7C37 #379B4A

split-complementary

#37569B #9B4A37 #889B37

monochromatic

#172441 #273D6E #37569B #4F72C0 #7C96D0

Accessibility & contrast

On white

7.08

#37569B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.97

#37569B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37569B

7.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37569B	#FFFFFF	#000000	##FFFFFF
##37569B	1.00	7.08	2.97	7.08
#FFFFFF	7.08	1.00	21.00	1.00
#000000	2.97	21.00	1.00	21.00
##FFFFFF	7.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#365D9E

Deuteranopia (green-blind)

#26549A

Tritanopia (blue-blind)

#006671

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #37569b;
/* rgb */ color: rgb(55, 86, 155);
/* oklch */ color: oklch(46.5% 0.118 264.1);

Tailwind

colors: {
  custom: {
    50: '#7885b9',
    500: '#37569b',
    950: '#000000',
  },
}

SCSS

$custom: #37569b;
$custom-light: #7885b9;
$custom-dark: #000000;

JSON

{
  "hex": "#37569b",
  "rgb": {
    "r": 55,
    "g": 86,
    "b": 155
  },
  "hsl": {
    "h": 221.4,
    "s": 47.619,
    "l": 41.176
  },
  "oklch": {
    "l": 0.46546,
    "c": 0.11794,
    "h": 264.1
  },
  "luminance": 0.09834
}

Semantic roles & 50–950 ramp

primary

#37569B

secondary

#BAA474

accent

#AD51D7

background

#F7F8FB

surface

#EEEFF6

border

#C9CAD0

text

#0A0B11

muted

#7C7C80

Preview Lab

Preview with #37569B

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

Preview Lab → · Contrast checker → · Palette generator →