#2D3383#2D3383

#2D3383 is a dark, vivid blue. Relative luminance 0.046; OKLCH L 36.7% C 0.133 H 274.6°. Best body text is #FFFFFF at 10.98:1 contrast (WCAG AA passes).

Color values

HEX	#2D3383
RGB	rgb(45, 51, 131)
HSL	hsl(236, 49%, 35%)
HSV	hsv(236, 66%, 51%)
CMYK	cmyk(65.6%, 61.1%, 0%, 48.6%)
CIE-LAB	lab(25.45, 24.33, -45.91)
CIE-LCH	lch(25.45, 51.96, 297.92°)
OKLab	oklab(36.71% 0.0105 -0.1321)
OKLCH	oklch(36.71% 0.133 274.6)
XYZ	xyz(6.3614, 4.5637, 22.0140)
Luminance	0.0456 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D3383 #837D2D

analogous

#2D5E83 #2D3383 #522D83

triadic

#2D3383 #832D33 #33832D

tetradic

#2D3383 #832D5E #837D2D #2D8352

square

#2D3383 #832D5E #837D2D #2D8352

split-complementary

#2D3383 #83522D #5E832D

monochromatic

#0E1028 #1D2155 #2D3383 #3D45B1 #6269C9

Accessibility & contrast

On white

10.98

#2D3383 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#2D3383 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D3383

10.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D3383	#FFFFFF	#000000	##FFFFFF
##2D3383	1.00	10.98	1.91	10.98
#FFFFFF	10.98	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	10.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004086

Deuteranopia (green-blind)

#003981

Tritanopia (blue-blind)

#004756

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #2d3383;
/* rgb */ color: rgb(45, 51, 131);
/* oklch */ color: oklch(36.7% 0.133 274.6);

Tailwind

colors: {
  custom: {
    50: '#706aa8',
    500: '#2d3383',
    950: '#000000',
  },
}

SCSS

$custom: #2d3383;
$custom-light: #706aa8;
$custom-dark: #000000;

JSON

{
  "hex": "#2d3383",
  "rgb": {
    "r": 45,
    "g": 51,
    "b": 131
  },
  "hsl": {
    "h": 235.814,
    "s": 48.864,
    "l": 34.51
  },
  "oklch": {
    "l": 0.36705,
    "c": 0.13254,
    "h": 274.6
  },
  "luminance": 0.04564
}

Semantic roles & 50–950 ramp

primary

#2D3383

secondary

#AFAA5C

accent

#CF4FD8

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #2D3383

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

Preview Lab → · Contrast checker → · Palette generator →