#2D3588#2D3588

#2D3588 is a dark, vivid blue. Relative luminance 0.049; OKLCH L 37.5% C 0.137 H 273.6°. Best body text is #FFFFFF at 10.63:1 contrast (WCAG AA passes).

Color values

HEX	#2D3588
RGB	rgb(45, 53, 136)
HSL	hsl(235, 50%, 35%)
HSV	hsv(235, 67%, 53%)
CMYK	cmyk(66.9%, 61%, 0%, 46.7%)
CIE-LAB	lab(26.39, 24.81, -47.51)
CIE-LCH	lch(26.39, 53.60, 297.58°)
OKLab	oklab(37.53% 0.0086 -0.1368)
OKLCH	oklch(37.53% 0.137 273.6)
XYZ	xyz(6.7977, 4.8811, 23.8717)
Luminance	0.0488 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D3588 #88802D

analogous

#2D6288 #2D3588 #522D88

triadic

#2D3588 #882D35 #35882D

tetradic

#2D3588 #882D62 #88802D #2D8852

square

#2D3588 #882D62 #88802D #2D8852

split-complementary

#2D3588 #88522D #62882D

monochromatic

#0F112C #1E235A #2D3588 #3C47B6 #646DCC

Accessibility & contrast

On white

10.63

#2D3588 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#2D3588 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D3588

10.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D3588	#FFFFFF	#000000	##FFFFFF
##2D3588	1.00	10.63	1.98	10.63
#FFFFFF	10.63	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00438B

Deuteranopia (green-blind)

#003A86

Tritanopia (blue-blind)

#004959

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #2d3588;
/* rgb */ color: rgb(45, 53, 136);
/* oklch */ color: oklch(37.5% 0.137 273.6);

Tailwind

colors: {
  custom: {
    50: '#716cab',
    500: '#2d3588',
    950: '#000000',
  },
}

SCSS

$custom: #2d3588;
$custom-light: #716cab;
$custom-dark: #000000;

JSON

{
  "hex": "#2d3588",
  "rgb": {
    "r": 45,
    "g": 53,
    "b": 136
  },
  "hsl": {
    "h": 234.725,
    "s": 50.276,
    "l": 35.49
  },
  "oklch": {
    "l": 0.3753,
    "c": 0.13705,
    "h": 273.6
  },
  "luminance": 0.04882
}

Semantic roles & 50–950 ramp

primary

#2D3588

secondary

#B2AB5F

accent

#CD4EDA

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#090710

muted

#7B7A7F

Preview Lab

Preview with #2D3588

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

Preview Lab → · Contrast checker → · Palette generator →