#2F375B#2F375B

#2F375B is a dark, moderate blue. Relative luminance 0.041; OKLCH L 34.7% C 0.064 H 273.1°. Best body text is #FFFFFF at 11.55:1 contrast (WCAG AA passes).

Color values

HEX	#2F375B
RGB	rgb(47, 55, 91)
HSL	hsl(229, 32%, 27%)
HSV	hsv(229, 48%, 36%)
CMYK	cmyk(48.4%, 39.6%, 0%, 64.3%)
CIE-LAB	lab(23.97, 7.59, -22.66)
CIE-LCH	lch(23.97, 23.89, 288.52°)
OKLab	oklab(34.74% 0.0035 -0.0638)
OKLCH	oklch(34.74% 0.064 273.1)
XYZ	xyz(4.4262, 4.0918, 10.4521)
Luminance	0.0409 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F375B #5B532F

analogous

#2F4D5B #2F375B #3D2F5B

triadic

#2F375B #5B2F37 #375B2F

tetradic

#2F375B #5B2F4D #5B532F #2F5B3D

square

#2F375B #5B2F4D #5B532F #2F5B3D

split-complementary

#2F375B #5B3D2F #4D5B2F

monochromatic

#0A0C14 #1A1F33 #2F375B #444F83 #5A69AA

Accessibility & contrast

On white

11.55

#2F375B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#2F375B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F375B

11.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F375B	#FFFFFF	#000000	##FFFFFF
##2F375B	1.00	11.55	1.82	11.55
#FFFFFF	11.55	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A3B5C

Deuteranopia (green-blind)

#26375A

Tritanopia (blue-blind)

#1F3E44

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #2f375b;
/* rgb */ color: rgb(47, 55, 91);
/* oklch */ color: oklch(34.7% 0.064 273.1);

Tailwind

colors: {
  custom: {
    50: '#6a6d89',
    500: '#2f375b',
    950: '#000000',
  },
}

SCSS

$custom: #2f375b;
$custom-light: #6a6d89;
$custom-dark: #000000;

JSON

{
  "hex": "#2f375b",
  "rgb": {
    "r": 47,
    "g": 55,
    "b": 91
  },
  "hsl": {
    "h": 229.091,
    "s": 31.884,
    "l": 27.059
  },
  "oklch": {
    "l": 0.34736,
    "c": 0.06388,
    "h": 273.1
  },
  "luminance": 0.04092
}

Semantic roles & 50–950 ramp

primary

#2F375B

secondary

#8D8359

accent

#B560C8

background

#F6F6F8

surface

#EBEBF0

border

#C6C6CB

text

#06070B

muted

#7A7A7C

Preview Lab

Preview with #2F375B

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

Preview Lab → · Contrast checker → · Palette generator →