#2D339B#2D339B

#2D339B is a dark, vivid blue. Relative luminance 0.053; OKLCH L 38.9% C 0.166 H 273.2°. Best body text is #FFFFFF at 10.20:1 contrast (WCAG AA passes).

Color values

HEX	#2D339B
RGB	rgb(45, 51, 155)
HSL	hsl(237, 55%, 39%)
HSV	hsv(237, 71%, 61%)
CMYK	cmyk(71%, 67.1%, 0%, 39.2%)
CIE-LAB	lab(27.55, 33.05, -57.32)
CIE-LCH	lch(27.55, 66.17, 299.96°)
OKLab	oklab(38.89% 0.0092 -0.1656)
OKLCH	oklch(38.89% 0.166 273.2)
XYZ	xyz(8.1804, 5.2913, 31.5942)
Luminance	0.0529 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D339B #9B952D

analogous

#2D6A9B #2D339B #5E2D9B

triadic

#2D339B #9B2D33 #339B2D

tetradic

#2D339B #9B2D6A #9B952D #2D9B5E

square

#2D339B #9B2D6A #9B952D #2D9B5E

split-complementary

#2D339B #9B5E2D #6A9B2D

monochromatic

#11143C #1F236C #2D339B #3E46C7 #6E73D5

Accessibility & contrast

On white

10.20

#2D339B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#2D339B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D339B

10.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D339B	#FFFFFF	#000000	##FFFFFF
##2D339B	1.00	10.20	2.06	10.20
#FFFFFF	10.20	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00469E

Deuteranopia (green-blind)

#003C99

Tritanopia (blue-blind)

#004E62

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #2d339b;
/* rgb */ color: rgb(45, 51, 155);
/* oklch */ color: oklch(38.9% 0.166 273.2);

Tailwind

colors: {
  custom: {
    50: '#766bb9',
    500: '#2d339b',
    950: '#000000',
  },
}

SCSS

$custom: #2d339b;
$custom-light: #766bb9;
$custom-dark: #000000;

JSON

{
  "hex": "#2d339b",
  "rgb": {
    "r": 45,
    "g": 51,
    "b": 155
  },
  "hsl": {
    "h": 236.727,
    "s": 55,
    "l": 39.216
  },
  "oklch": {
    "l": 0.38893,
    "c": 0.16585,
    "h": 273.2
  },
  "luminance": 0.05292
}

Semantic roles & 50–950 ramp

primary

#2D339B

secondary

#BCB768

accent

#D649DE

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #2D339B

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

Preview Lab → · Contrast checker → · Palette generator →