#2F337E#2F337E

#2F337E is a dark, vivid blue. Relative luminance 0.045; OKLCH L 36.4% C 0.125 H 276.0°. Best body text is #FFFFFF at 11.08:1 contrast (WCAG AA passes).

Color values

HEX	#2F337E
RGB	rgb(47, 51, 126)
HSL	hsl(237, 46%, 34%)
HSV	hsv(237, 63%, 49%)
CMYK	cmyk(62.7%, 59.5%, 0%, 50.6%)
CIE-LAB	lab(25.19, 22.86, -43.19)
CIE-LCH	lch(25.19, 48.87, 297.89°)
OKLab	oklab(36.42% 0.013 -0.1241)
OKLCH	oklch(36.42% 0.125 276)
XYZ	xyz(6.1208, 4.4779, 20.2764)
Luminance	0.0448 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F337E #7E7A2F

analogous

#2F5B7E #2F337E #532F7E

triadic

#2F337E #7E2F33 #337E2F

tetradic

#2F337E #7E2F5B #7E7A2F #2F7E53

square

#2F337E #7E2F5B #7E7A2F #2F7E53

split-complementary

#2F337E #7E532F #5B7E2F

monochromatic

#0E0F25 #1E2151 #2F337E #4045AB #6368C5

Accessibility & contrast

On white

11.08

#2F337E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#2F337E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F337E

11.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F337E	#FFFFFF	#000000	##FFFFFF
##2F337E	1.00	11.08	1.90	11.08
#FFFFFF	11.08	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F81

Deuteranopia (green-blind)

#00387C

Tritanopia (blue-blind)

#004553

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #2f337e;
/* rgb */ color: rgb(47, 51, 126);
/* oklch */ color: oklch(36.4% 0.125 276.0);

Tailwind

colors: {
  custom: {
    50: '#706aa4',
    500: '#2f337e',
    950: '#000000',
  },
}

SCSS

$custom: #2f337e;
$custom-light: #706aa4;
$custom-dark: #000000;

JSON

{
  "hex": "#2f337e",
  "rgb": {
    "r": 47,
    "g": 51,
    "b": 126
  },
  "hsl": {
    "h": 236.962,
    "s": 45.665,
    "l": 33.922
  },
  "oklch": {
    "l": 0.36421,
    "c": 0.12474,
    "h": 276
  },
  "luminance": 0.04478
}

Semantic roles & 50–950 ramp

primary

#2F337E

secondary

#ACA85D

accent

#CF52D5

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#08060F

muted

#7B7A7F

Preview Lab

Preview with #2F337E

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

Preview Lab → · Contrast checker → · Palette generator →