#2B4C83#2B4C83

#2B4C83 is a dark, moderate blue. Relative luminance 0.073; OKLCH L 42.0% C 0.100 H 260.0°. Best body text is #FFFFFF at 8.52:1 contrast (WCAG AA passes).

Color values

HEX	#2B4C83
RGB	rgb(43, 76, 131)
HSL	hsl(218, 51%, 34%)
HSV	hsv(218, 67%, 51%)
CMYK	cmyk(67.2%, 42%, 0%, 48.6%)
CIE-LAB	lab(32.53, 6.96, -34.54)
CIE-LCH	lch(32.53, 35.23, 281.40°)
OKLab	oklab(42.04% -0.0173 -0.0984)
OKLCH	oklch(42.04% 0.1 260)
XYZ	xyz(7.6760, 7.3204, 22.4768)
Luminance	0.0732 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4C83 #83622B

analogous

#2B7883 #2B4C83 #362B83

triadic

#2B4C83 #832B4C #4C832B

tetradic

#2B4C83 #832B78 #83622B #2B8336

square

#2B4C83 #832B78 #83622B #2B8336

split-complementary

#2B4C83 #83362B #78832B

monochromatic

#0D1727 #1C3155 #2B4C83 #3A67B1 #5E87CA

Accessibility & contrast

On white

8.52

#2B4C83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.46

#2B4C83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4C83

8.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4C83	#FFFFFF	#000000	##FFFFFF
##2B4C83	1.00	8.52	2.46	8.52
#FFFFFF	8.52	1.00	21.00	1.00
#000000	2.46	21.00	1.00	21.00
##FFFFFF	8.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#335185

Deuteranopia (green-blind)

#264982

Tritanopia (blue-blind)

#005961

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #2b4c83;
/* rgb */ color: rgb(43, 76, 131);
/* oklch */ color: oklch(42.0% 0.100 260.0);

Tailwind

colors: {
  custom: {
    50: '#6e7da7',
    500: '#2b4c83',
    950: '#000000',
  },
}

SCSS

$custom: #2b4c83;
$custom-light: #6e7da7;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4c83",
  "rgb": {
    "r": 43,
    "g": 76,
    "b": 131
  },
  "hsl": {
    "h": 217.5,
    "s": 50.575,
    "l": 34.118
  },
  "oklch": {
    "l": 0.42042,
    "c": 0.09987,
    "h": 260
  },
  "luminance": 0.07321
}

Semantic roles & 50–950 ramp

primary

#2B4C83

secondary

#B0905A

accent

#A54EDA

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#08090F

muted

#7B7B7F

Preview Lab

Preview with #2B4C83

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

Preview Lab → · Contrast checker → · Palette generator →