#2D3683#2D3683

#2D3683 is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.3% C 0.128 H 273.4°. Best body text is #FFFFFF at 10.68:1 contrast (WCAG AA passes).

Color values

HEX	#2D3683
RGB	rgb(45, 54, 131)
HSL	hsl(234, 49%, 35%)
HSV	hsv(234, 66%, 51%)
CMYK	cmyk(65.6%, 58.8%, 0%, 48.6%)
CIE-LAB	lab(26.26, 22.29, -44.61)
CIE-LCH	lch(26.26, 49.87, 296.55°)
OKLab	oklab(37.3% 0.0076 -0.1282)
OKLCH	oklch(37.3% 0.128 273.4)
XYZ	xyz(6.4967, 4.8344, 22.0591)
Luminance	0.0483 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D3683 #837A2D

analogous

#2D6183 #2D3683 #4F2D83

triadic

#2D3683 #832D36 #36832D

tetradic

#2D3683 #832D61 #837A2D #2D834F

square

#2D3683 #832D61 #837A2D #2D834F

split-complementary

#2D3683 #834F2D #61832D

monochromatic

#0E1028 #1D2355 #2D3683 #3D49B1 #626CC9

Accessibility & contrast

On white

10.68

#2D3683 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#2D3683 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D3683

10.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D3683	#FFFFFF	#000000	##FFFFFF
##2D3683	1.00	10.68	1.97	10.68
#FFFFFF	10.68	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004286

Deuteranopia (green-blind)

#003A81

Tritanopia (blue-blind)

#004957

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #2d3683;
/* rgb */ color: rgb(45, 54, 131);
/* oklch */ color: oklch(37.3% 0.128 273.4);

Tailwind

colors: {
  custom: {
    50: '#706ca8',
    500: '#2d3683',
    950: '#000000',
  },
}

SCSS

$custom: #2d3683;
$custom-light: #706ca8;
$custom-dark: #000000;

JSON

{
  "hex": "#2d3683",
  "rgb": {
    "r": 45,
    "g": 54,
    "b": 131
  },
  "hsl": {
    "h": 233.721,
    "s": 48.864,
    "l": 34.51
  },
  "oklch": {
    "l": 0.37302,
    "c": 0.12848,
    "h": 273.4
  },
  "luminance": 0.04835
}

Semantic roles & 50–950 ramp

primary

#2D3683

secondary

#AFA75C

accent

#CA4FD8

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #2D3683

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

Preview Lab → · Contrast checker → · Palette generator →