#2D337B#2D337B

#2D337B is a dark, vivid blue. Relative luminance 0.044; OKLCH L 36.0% C 0.121 H 275.0°. Best body text is #FFFFFF at 11.22:1 contrast (WCAG AA passes).

Color values

HEX	#2D337B
RGB	rgb(45, 51, 123)
HSL	hsl(235, 46%, 33%)
HSV	hsv(235, 63%, 48%)
CMYK	cmyk(63.4%, 58.5%, 0%, 51.8%)
CIE-LAB	lab(24.81, 21.39, -41.92)
CIE-LCH	lch(24.81, 47.06, 297.03°)
OKLab	oklab(36.03% 0.0105 -0.1204)
OKLCH	oklch(36.03% 0.121 275)
XYZ	xyz(5.8400, 4.3551, 19.2679)
Luminance	0.0436 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D337B #7B752D

analogous

#2D5A7B #2D337B #4E2D7B

triadic

#2D337B #7B2D33 #337B2D

tetradic

#2D337B #7B2D5A #7B752D #2D7B4E

square

#2D337B #7B2D5A #7B752D #2D7B4E

split-complementary

#2D337B #7B4E2D #5A7B2D

monochromatic

#0C0E21 #1D204E #2D337B #3D46A8 #5E66C4

Accessibility & contrast

On white

11.22

#2D337B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#2D337B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D337B

11.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D337B	#FFFFFF	#000000	##FFFFFF
##2D337B	1.00	11.22	1.87	11.22
#FFFFFF	11.22	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E7D

Deuteranopia (green-blind)

#00387A

Tritanopia (blue-blind)

#004451

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #2d337b;
/* rgb */ color: rgb(45, 51, 123);
/* oklch */ color: oklch(36.0% 0.121 275.0);

Tailwind

colors: {
  custom: {
    50: '#6f6aa2',
    500: '#2d337b',
    950: '#000000',
  },
}

SCSS

$custom: #2d337b;
$custom-light: #6f6aa2;
$custom-dark: #000000;

JSON

{
  "hex": "#2d337b",
  "rgb": {
    "r": 45,
    "g": 51,
    "b": 123
  },
  "hsl": {
    "h": 235.385,
    "s": 46.429,
    "l": 32.941
  },
  "oklch": {
    "l": 0.36026,
    "c": 0.12083,
    "h": 275
  },
  "luminance": 0.04356
}

Semantic roles & 50–950 ramp

primary

#2D337B

secondary

#ABA459

accent

#CC52D6

background

#F7F6FA

surface

#EDEBF3

border

#C8C6CD

text

#08060F

muted

#7B7A7F

Preview Lab

Preview with #2D337B

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

Preview Lab → · Contrast checker → · Palette generator →