#2B4081#2B4081

#2B4081 is a dark, moderate blue. Relative luminance 0.058; OKLCH L 39.1% C 0.112 H 267.5°. Best body text is #FFFFFF at 9.75:1 contrast (WCAG AA passes).

Color values

HEX	#2B4081
RGB	rgb(43, 64, 129)
HSL	hsl(225, 50%, 34%)
HSV	hsv(225, 67%, 51%)
CMYK	cmyk(66.7%, 50.4%, 0%, 49.4%)
CIE-LAB	lab(28.81, 14.32, -39.24)
CIE-LCH	lch(28.81, 41.77, 290.05°)
OKLab	oklab(39.15% -0.0048 -0.1124)
OKLCH	oklch(39.15% 0.112 267.5)
XYZ	xyz(6.7907, 5.7647, 21.5195)
Luminance	0.0576 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4081 #816C2B

analogous

#2B6B81 #2B4081 #412B81

triadic

#2B4081 #812B40 #40812B

tetradic

#2B4081 #812B6B #816C2B #2B8141

square

#2B4081 #812B6B #816C2B #2B8141

split-complementary

#2B4081 #81412B #6B812B

monochromatic

#0C1225 #1C2953 #2B4081 #3A57AF #5D78C9

Accessibility & contrast

On white

9.75

#2B4081 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#2B4081 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4081

9.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4081	#FFFFFF	#000000	##FFFFFF
##2B4081	1.00	9.75	2.15	9.75
#FFFFFF	9.75	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E4883

Deuteranopia (green-blind)

#0A4080

Tritanopia (blue-blind)

#004F5A

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #2b4081;
/* rgb */ color: rgb(43, 64, 129);
/* oklch */ color: oklch(39.1% 0.112 267.5);

Tailwind

colors: {
  custom: {
    50: '#6e74a6',
    500: '#2b4081',
    950: '#000000',
  },
}

SCSS

$custom: #2b4081;
$custom-light: #6e74a6;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4081",
  "rgb": {
    "r": 43,
    "g": 64,
    "b": 129
  },
  "hsl": {
    "h": 225.349,
    "s": 50,
    "l": 33.725
  },
  "oklch": {
    "l": 0.39147,
    "c": 0.11247,
    "h": 267.5
  },
  "luminance": 0.05765
}

Semantic roles & 50–950 ramp

primary

#2B4081

secondary

#AF9A59

accent

#B84EDA

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#08080F

muted

#7B7B7F

Preview Lab

Preview with #2B4081

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

Preview Lab → · Contrast checker → · Palette generator →