#2D378D#2D378D

#2D378D is a dark, vivid blue. Relative luminance 0.052; OKLCH L 38.4% C 0.142 H 272.7°. Best body text is #FFFFFF at 10.28:1 contrast (WCAG AA passes).

Color values

HEX	#2D378D
RGB	rgb(45, 55, 141)
HSL	hsl(234, 52%, 36%)
HSV	hsv(234, 68%, 55%)
CMYK	cmyk(68.1%, 61%, 0%, 44.7%)
CIE-LAB	lab(27.33, 25.32, -49.08)
CIE-LCH	lch(27.33, 55.22, 297.29°)
OKLab	oklab(38.35% 0.0068 -0.1414)
OKLCH	oklch(38.35% 0.142 272.7)
XYZ	xyz(7.2545, 5.2127, 25.8180)
Luminance	0.0521 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D378D #8D832D

analogous

#2D678D #2D378D #532D8D

triadic

#2D378D #8D2D37 #378D2D

tetradic

#2D378D #8D2D67 #8D832D #2D8D53

square

#2D378D #8D2D67 #8D832D #2D8D53

split-complementary

#2D378D #8D532D #678D2D

monochromatic

#0F1330 #1E255F #2D378D #3C49BB #6671CE

Accessibility & contrast

On white

10.28

#2D378D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#2D378D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D378D

10.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D378D	#FFFFFF	#000000	##FFFFFF
##2D378D	1.00	10.28	2.04	10.28
#FFFFFF	10.28	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004590

Deuteranopia (green-blind)

#003C8B

Tritanopia (blue-blind)

#004C5C

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #2d378d;
/* rgb */ color: rgb(45, 55, 141);
/* oklch */ color: oklch(38.4% 0.142 272.7);

Tailwind

colors: {
  custom: {
    50: '#726daf',
    500: '#2d378d',
    950: '#000000',
  },
}

SCSS

$custom: #2d378d;
$custom-light: #726daf;
$custom-dark: #000000;

JSON

{
  "hex": "#2d378d",
  "rgb": {
    "r": 45,
    "g": 55,
    "b": 141
  },
  "hsl": {
    "h": 233.75,
    "s": 51.613,
    "l": 36.471
  },
  "oklch": {
    "l": 0.38355,
    "c": 0.14155,
    "h": 272.7
  },
  "luminance": 0.05213
}

Semantic roles & 50–950 ramp

primary

#2D378D

secondary

#B5AC61

accent

#CC4DDB

background

#F7F6FA

surface

#EDEBF5

border

#C8C6CF

text

#090710

muted

#7B7A7F

Preview Lab

Preview with #2D378D

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

Preview Lab → · Contrast checker → · Palette generator →