#2D279F#2D279F

#2D279F is a dark, vivid blue. Relative luminance 0.045; OKLCH L 37.4% C 0.184 H 275.0°. Best body text is #FFFFFF at 11.04:1 contrast (WCAG AA passes).

Color values

HEX	#2D279F
RGB	rgb(45, 39, 159)
HSL	hsl(243, 61%, 39%)
HSV	hsv(243, 75%, 62%)
CMYK	cmyk(71.7%, 75.5%, 0%, 37.6%)
CIE-LAB	lab(25.29, 41.71, -63.47)
CIE-LCH	lch(25.29, 75.95, 303.31°)
OKLab	oklab(37.39% 0.016 -0.1835)
OKLCH	oklch(37.39% 0.184 275)
XYZ	xyz(8.0636, 4.5114, 33.2400)
Luminance	0.0451 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D279F #999F27

analogous

#275D9F #2D279F #69279F

triadic

#2D279F #9F2D27 #279F2D

tetradic

#2D279F #9F275D #999F27 #279F69

square

#2D279F #9F275D #999F27 #279F69

split-complementary

#2D279F #9F6927 #5D9F27

monochromatic

#110F3D #1F1B6E #2D279F #3D36CE #6C67DA

Accessibility & contrast

On white

11.04

#2D279F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#2D279F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D279F

11.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D279F	#FFFFFF	#000000	##FFFFFF
##2D279F	1.00	11.04	1.90	11.04
#FFFFFF	11.04	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0041A2

Deuteranopia (green-blind)

#00369D

Tritanopia (blue-blind)

#004A61

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #2d279f;
/* rgb */ color: rgb(45, 39, 159);
/* oklch */ color: oklch(37.4% 0.184 275.0);

Tailwind

colors: {
  custom: {
    50: '#7863bd',
    500: '#2d279f',
    950: '#000000',
  },
}

SCSS

$custom: #2d279f;
$custom-light: #7863bd;
$custom-dark: #000000;

JSON

{
  "hex": "#2d279f",
  "rgb": {
    "r": 45,
    "g": 39,
    "b": 159
  },
  "hsl": {
    "h": 243,
    "s": 60.606,
    "l": 38.824
  },
  "oklch": {
    "l": 0.37393,
    "c": 0.18423,
    "h": 275
  },
  "luminance": 0.04512
}

Semantic roles & 50–950 ramp

primary

#2D279F

secondary

#BBC062

accent

#E444DC

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0512

muted

#7C7A81

Preview Lab

Preview with #2D279F

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

Preview Lab → · Contrast checker → · Palette generator →