#2D3780#2D3780

#2D3780 is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.3% C 0.123 H 273.1°. Best body text is #FFFFFF at 10.66:1 contrast (WCAG AA passes).

Color values

HEX	#2D3780
RGB	rgb(45, 55, 128)
HSL	hsl(233, 48%, 34%)
HSV	hsv(233, 65%, 50%)
CMYK	cmyk(64.8%, 57%, 0%, 49.8%)
CIE-LAB	lab(26.30, 20.50, -42.66)
CIE-LCH	lch(26.30, 47.33, 295.66°)
OKLab	oklab(37.26% 0.0065 -0.1225)
OKLCH	oklch(37.26% 0.123 273.1)
XYZ	xyz(6.3434, 4.8482, 21.0194)
Luminance	0.0485 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D3780 #80762D

analogous

#2D6180 #2D3780 #4D2D80

triadic

#2D3780 #802D37 #37802D

tetradic

#2D3780 #802D61 #80762D #2D804D

square

#2D3780 #802D61 #80762D #2D804D

split-complementary

#2D3780 #804D2D #61802D

monochromatic

#0D1025 #1D2453 #2D3780 #3D4AAD #606DC7

Accessibility & contrast

On white

10.66

#2D3780 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#2D3780 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D3780

10.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D3780	#FFFFFF	#000000	##FFFFFF
##2D3780	1.00	10.66	1.97	10.66
#FFFFFF	10.66	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004283

Deuteranopia (green-blind)

#003B7F

Tritanopia (blue-blind)

#004856

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #2d3780;
/* rgb */ color: rgb(45, 55, 128);
/* oklch */ color: oklch(37.3% 0.123 273.1);

Tailwind

colors: {
  custom: {
    50: '#6f6da5',
    500: '#2d3780',
    950: '#000000',
  },
}

SCSS

$custom: #2d3780;
$custom-light: #6f6da5;
$custom-dark: #000000;

JSON

{
  "hex": "#2d3780",
  "rgb": {
    "r": 45,
    "g": 55,
    "b": 128
  },
  "hsl": {
    "h": 232.771,
    "s": 47.977,
    "l": 33.922
  },
  "oklch": {
    "l": 0.37258,
    "c": 0.12269,
    "h": 273.1
  },
  "luminance": 0.04849
}

Semantic roles & 50–950 ramp

primary

#2D3780

secondary

#AEA45B

accent

#C750D8

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#08070F

muted

#7B7A7F

Preview Lab

Preview with #2D3780

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

Preview Lab → · Contrast checker → · Palette generator →