#37568D#37568D

#37568D is a mid, moderate blue. Relative luminance 0.094; OKLCH L 45.6% C 0.098 H 261.1°. Best body text is #FFFFFF at 7.30:1 contrast (WCAG AA passes).

Color values

HEX	#37568D
RGB	rgb(55, 86, 141)
HSL	hsl(218, 44%, 38%)
HSV	hsv(218, 61%, 55%)
CMYK	cmyk(61%, 39%, 0%, 44.7%)
CIE-LAB	lab(36.72, 6.47, -33.96)
CIE-LCH	lch(36.72, 34.57, 280.79°)
OKLab	oklab(45.65% -0.015 -0.0963)
OKLCH	oklch(45.65% 0.098 261.1)
XYZ	xyz(9.7094, 9.3901, 26.4949)
Luminance	0.0939 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37568D #8D6E37

analogous

#37818D #37568D #43378D

triadic

#37568D #8D3756 #568D37

tetradic

#37568D #8D3781 #8D6E37 #378D43

square

#37568D #8D3781 #8D6E37 #378D43

split-complementary

#37568D #8D4337 #818D37

monochromatic

#152035 #263B61 #37568D #4971B8 #7593C9

Accessibility & contrast

On white

7.30

#37568D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.88

#37568D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37568D

7.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37568D	#FFFFFF	#000000	##FFFFFF
##37568D	1.00	7.30	2.88	7.30
#FFFFFF	7.30	1.00	21.00	1.00
#000000	2.88	21.00	1.00	21.00
##FFFFFF	7.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F5B8F

Deuteranopia (green-blind)

#33538C

Tritanopia (blue-blind)

#00626A

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #37568d;
/* rgb */ color: rgb(55, 86, 141);
/* oklch */ color: oklch(45.6% 0.098 261.1);

Tailwind

colors: {
  custom: {
    50: '#7685ae',
    500: '#37568d',
    950: '#000000',
  },
}

SCSS

$custom: #37568d;
$custom-light: #7685ae;
$custom-dark: #000000;

JSON

{
  "hex": "#37568d",
  "rgb": {
    "r": 55,
    "g": 86,
    "b": 141
  },
  "hsl": {
    "h": 218.372,
    "s": 43.878,
    "l": 38.431
  },
  "oklch": {
    "l": 0.45649,
    "c": 0.0975,
    "h": 261.1
  },
  "luminance": 0.09391
}

Semantic roles & 50–950 ramp

primary

#37568D

secondary

#B2996E

accent

#A654D4

background

#F7F8FA

surface

#EDEFF4

border

#C8CACE

text

#090B10

muted

#7B7C7F

Preview Lab

Preview with #37568D

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

Preview Lab → · Contrast checker → · Palette generator →