#2D3388#2D3388

#2D3388 is a dark, vivid blue. Relative luminance 0.047; OKLCH L 37.1% C 0.140 H 274.3°. Best body text is #FFFFFF at 10.82:1 contrast (WCAG AA passes).

Color values

HEX	#2D3388
RGB	rgb(45, 51, 136)
HSL	hsl(236, 50%, 35%)
HSV	hsv(236, 67%, 53%)
CMYK	cmyk(66.9%, 62.5%, 0%, 46.7%)
CIE-LAB	lab(25.87, 26.16, -48.36)
CIE-LCH	lch(25.87, 54.98, 298.41°)
OKLab	oklab(37.14% 0.0104 -0.1393)
OKLCH	oklch(37.14% 0.14 274.3)
XYZ	xyz(6.7085, 4.7025, 23.8419)
Luminance	0.0470 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D3388 #88822D

analogous

#2D6088 #2D3388 #542D88

triadic

#2D3388 #882D33 #33882D

tetradic

#2D3388 #882D60 #88822D #2D8854

square

#2D3388 #882D60 #88822D #2D8854

split-complementary

#2D3388 #88542D #60882D

monochromatic

#0F112C #1E225A #2D3388 #3C44B6 #646BCC

Accessibility & contrast

On white

10.82

#2D3388 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#2D3388 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D3388

10.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D3388	#FFFFFF	#000000	##FFFFFF
##2D3388	1.00	10.82	1.94	10.82
#FFFFFF	10.82	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00418B

Deuteranopia (green-blind)

#003986

Tritanopia (blue-blind)

#004858

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #2d3388;
/* rgb */ color: rgb(45, 51, 136);
/* oklch */ color: oklch(37.1% 0.140 274.3);

Tailwind

colors: {
  custom: {
    50: '#716aab',
    500: '#2d3388',
    950: '#000000',
  },
}

SCSS

$custom: #2d3388;
$custom-light: #716aab;
$custom-dark: #000000;

JSON

{
  "hex": "#2d3388",
  "rgb": {
    "r": 45,
    "g": 51,
    "b": 136
  },
  "hsl": {
    "h": 236.044,
    "s": 50.276,
    "l": 35.49
  },
  "oklch": {
    "l": 0.37143,
    "c": 0.1397,
    "h": 274.3
  },
  "luminance": 0.04703
}

Semantic roles & 50–950 ramp

primary

#2D3388

secondary

#B2AD5F

accent

#D14EDA

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#090610

muted

#7B7A7F

Preview Lab

Preview with #2D3388

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

Preview Lab → · Contrast checker → · Palette generator →