#2F337C#2F337C

#2F337C is a dark, vivid blue. Relative luminance 0.044; OKLCH L 36.3% C 0.122 H 276.1°. Best body text is #FFFFFF at 11.14:1 contrast (WCAG AA passes).

Color values

HEX	#2F337C
RGB	rgb(47, 51, 124)
HSL	hsl(237, 45%, 34%)
HSV	hsv(237, 62%, 49%)
CMYK	cmyk(62.1%, 58.9%, 0%, 51.4%)
CIE-LAB	lab(25.04, 22.13, -42.18)
CIE-LCH	lch(25.04, 47.64, 297.69°)
OKLab	oklab(36.25% 0.013 -0.1211)
OKLCH	oklch(36.25% 0.122 276.1)
XYZ	xyz(5.9930, 4.4268, 19.6035)
Luminance	0.0443 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F337C #7C782F

analogous

#2F597C #2F337C #512F7C

triadic

#2F337C #7C2F33 #337C2F

tetradic

#2F337C #7C2F59 #7C782F #2F7C51

square

#2F337C #7C2F59 #7C782F #2F7C51

split-complementary

#2F337C #7C512F #597C2F

monochromatic

#0D0E23 #1E2150 #2F337C #4045A8 #6267C3

Accessibility & contrast

On white

11.14

#2F337C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#2F337C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F337C

11.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F337C	#FFFFFF	#000000	##FFFFFF
##2F337C	1.00	11.14	1.89	11.14
#FFFFFF	11.14	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F7E

Deuteranopia (green-blind)

#00387B

Tritanopia (blue-blind)

#004452

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #2f337c;
/* rgb */ color: rgb(47, 51, 124);
/* oklch */ color: oklch(36.3% 0.122 276.1);

Tailwind

colors: {
  custom: {
    50: '#706aa2',
    500: '#2f337c',
    950: '#000000',
  },
}

SCSS

$custom: #2f337c;
$custom-light: #706aa2;
$custom-dark: #000000;

JSON

{
  "hex": "#2f337c",
  "rgb": {
    "r": 47,
    "g": 51,
    "b": 124
  },
  "hsl": {
    "h": 236.883,
    "s": 45.029,
    "l": 33.529
  },
  "oklch": {
    "l": 0.36254,
    "c": 0.12179,
    "h": 276.1
  },
  "luminance": 0.04427
}

Semantic roles & 50–950 ramp

primary

#2F337C

secondary

#AAA65C

accent

#CE53D5

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#08060F

muted

#7B7A7F

Preview Lab

Preview with #2F337C

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

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