#2D318B#2D318B

#2D318B is a dark, vivid blue. Relative luminance 0.046; OKLCH L 37.0% C 0.146 H 274.7°. Best body text is #FFFFFF at 10.92:1 contrast (WCAG AA passes).

Color values

HEX	#2D318B
RGB	rgb(45, 49, 139)
HSL	hsl(237, 51%, 36%)
HSV	hsv(237, 68%, 55%)
CMYK	cmyk(67.6%, 64.7%, 0%, 45.5%)
CIE-LAB	lab(25.62, 28.58, -50.64)
CIE-LCH	lch(25.62, 58.14, 299.44°)
OKLab	oklab(37.04% 0.012 -0.146)
OKLCH	oklch(37.04% 0.147 274.7)
XYZ	xyz(6.8392, 4.6180, 24.9520)
Luminance	0.0462 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D318B #8B872D

analogous

#2D608B #2D318B #582D8B

triadic

#2D318B #8B2D31 #318B2D

tetradic

#2D318B #8B2D60 #8B872D #2D8B58

square

#2D318B #8B2D60 #8B872D #2D8B58

split-complementary

#2D318B #8B582D #608B2D

monochromatic

#0F102F #1E215D #2D318B #3C41B9 #656ACD

Accessibility & contrast

On white

10.92

#2D318B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#2D318B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D318B

10.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D318B	#FFFFFF	#000000	##FFFFFF
##2D318B	1.00	10.92	1.92	10.92
#FFFFFF	10.92	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00418E

Deuteranopia (green-blind)

#003989

Tritanopia (blue-blind)

#004859

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #2d318b;
/* rgb */ color: rgb(45, 49, 139);
/* oklch */ color: oklch(37.0% 0.146 274.7);

Tailwind

colors: {
  custom: {
    50: '#7269ae',
    500: '#2d318b',
    950: '#000000',
  },
}

SCSS

$custom: #2d318b;
$custom-light: #7269ae;
$custom-dark: #000000;

JSON

{
  "hex": "#2d318b",
  "rgb": {
    "r": 45,
    "g": 49,
    "b": 139
  },
  "hsl": {
    "h": 237.447,
    "s": 51.087,
    "l": 36.078
  },
  "oklch": {
    "l": 0.37037,
    "c": 0.1465,
    "h": 274.7
  },
  "luminance": 0.04619
}

Semantic roles & 50–950 ramp

primary

#2D318B

secondary

#B4B060

accent

#D54DDB

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#090610

muted

#7B7A7F

Preview Lab

Preview with #2D318B

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

Preview Lab → · Contrast checker → · Palette generator →