#37435F#37435F

#37435F is a dark, muted blue. Relative luminance 0.057; OKLCH L 38.5% C 0.051 H 266.2°. Best body text is #FFFFFF at 9.86:1 contrast (WCAG AA passes).

Color values

HEX	#37435F
RGB	rgb(55, 67, 95)
HSL	hsl(222, 27%, 29%)
HSV	hsv(222, 42%, 37%)
CMYK	cmyk(42.1%, 29.5%, 0%, 62.7%)
CIE-LAB	lab(28.52, 3.22, -18.10)
CIE-LCH	lch(28.52, 18.39, 280.09°)
OKLab	oklab(38.48% -0.0033 -0.0504)
OKLCH	oklch(38.48% 0.051 266.2)
XYZ	xyz(5.6476, 5.6525, 11.6177)
Luminance	0.0565 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37435F #5F5337

analogous

#37575F #37435F #3F375F

triadic

#37435F #5F3743 #435F37

tetradic

#37435F #5F3757 #5F5337 #375F3F

square

#37435F #5F3757 #5F5337 #375F3F

split-complementary

#37435F #5F3F37 #575F37

monochromatic

#0B0E13 #212838 #37435F #4D5E86 #697CA8

Accessibility & contrast

On white

9.86

#37435F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#37435F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37435F

9.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37435F	#FFFFFF	#000000	##FFFFFF
##37435F	1.00	9.86	2.13	9.86
#FFFFFF	9.86	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#394560

Deuteranopia (green-blind)

#36425E

Tritanopia (blue-blind)

#2A494D

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #37435f;
/* rgb */ color: rgb(55, 67, 95);
/* oklch */ color: oklch(38.5% 0.051 266.2);

Tailwind

colors: {
  custom: {
    50: '#6f778c',
    500: '#37435f',
    950: '#000000',
  },
}

SCSS

$custom: #37435f;
$custom-light: #6f778c;
$custom-dark: #000000;

JSON

{
  "hex": "#37435f",
  "rgb": {
    "r": 55,
    "g": 67,
    "b": 95
  },
  "hsl": {
    "h": 222,
    "s": 26.667,
    "l": 29.412
  },
  "oklch": {
    "l": 0.38483,
    "c": 0.05054,
    "h": 266.2
  },
  "luminance": 0.05653
}

Semantic roles & 50–950 ramp

primary

#37435F

secondary

#8F8262

accent

#A765C3

background

#F6F7F8

surface

#ECEDF0

border

#C7C8CB

text

#07080C

muted

#7A7B7D

Preview Lab

Preview with #37435F

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

Preview Lab → · Contrast checker → · Palette generator →