#2B376D#2B376D

#2B376D is a dark, moderate blue. Relative luminance 0.043; OKLCH L 35.7% C 0.094 H 271.5°. Best body text is #FFFFFF at 11.23:1 contrast (WCAG AA passes).

Color values

HEX	#2B376D
RGB	rgb(43, 55, 109)
HSL	hsl(229, 43%, 30%)
HSV	hsv(229, 61%, 43%)
CMYK	cmyk(60.6%, 49.5%, 0%, 57.3%)
CIE-LAB	lab(24.80, 13.02, -33.04)
CIE-LCH	lch(24.80, 35.51, 291.50°)
OKLab	oklab(35.65% 0.0024 -0.0943)
OKLCH	oklch(35.65% 0.094 271.5)
XYZ	xyz(5.1219, 4.3497, 15.0347)
Luminance	0.0435 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B376D #6D612B

analogous

#2B586D #2B376D #402B6D

triadic

#2B376D #6D2B37 #376D2B

tetradic

#2B376D #6D2B58 #6D612B #2B6D40

square

#2B376D #6D2B58 #6D612B #2B6D40

split-complementary

#2B376D #6D402B #586D2B

monochromatic

#090B16 #1A2141 #2B376D #3C4D99 #5669BC

Accessibility & contrast

On white

11.23

#2B376D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#2B376D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B376D

11.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B376D	#FFFFFF	#000000	##FFFFFF
##2B376D	1.00	11.23	1.87	11.23
#FFFFFF	11.23	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D3E6F

Deuteranopia (green-blind)

#14386C

Tritanopia (blue-blind)

#00434C

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #2b376d;
/* rgb */ color: rgb(43, 55, 109);
/* oklch */ color: oklch(35.7% 0.094 271.5);

Tailwind

colors: {
  custom: {
    50: '#6b6d97',
    500: '#2b376d',
    950: '#000000',
  },
}

SCSS

$custom: #2b376d;
$custom-light: #6b6d97;
$custom-dark: #000000;

JSON

{
  "hex": "#2b376d",
  "rgb": {
    "r": 43,
    "g": 55,
    "b": 109
  },
  "hsl": {
    "h": 229.091,
    "s": 43.421,
    "l": 29.804
  },
  "oklch": {
    "l": 0.35652,
    "c": 0.09429,
    "h": 271.5
  },
  "luminance": 0.0435
}

Semantic roles & 50–950 ramp

primary

#2B376D

secondary

#9F9155

accent

#BC55D3

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#07070D

muted

#7A7A7E

Preview Lab

Preview with #2B376D

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

Preview Lab → · Contrast checker → · Palette generator →