#2B4D83#2B4D83

#2B4D83 is a dark, moderate blue. Relative luminance 0.075; OKLCH L 42.3% C 0.099 H 259.3°. Best body text is #FFFFFF at 8.43:1 contrast (WCAG AA passes).

Color values

HEX	#2B4D83
RGB	rgb(43, 77, 131)
HSL	hsl(217, 51%, 34%)
HSV	hsv(217, 67%, 51%)
CMYK	cmyk(67.2%, 41.2%, 0%, 48.6%)
CIE-LAB	lab(32.83, 6.30, -34.05)
CIE-LCH	lch(32.83, 34.63, 280.48°)
OKLab	oklab(42.28% -0.0184 -0.0969)
OKLCH	oklch(42.28% 0.099 259.3)
XYZ	xyz(7.7454, 7.4593, 22.4999)
Luminance	0.0746 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4D83 #83612B

analogous

#2B7983 #2B4D83 #352B83

triadic

#2B4D83 #832B4D #4D832B

tetradic

#2B4D83 #832B79 #83612B #2B8335

square

#2B4D83 #832B79 #83612B #2B8335

split-complementary

#2B4D83 #83352B #79832B

monochromatic

#0D1727 #1C3255 #2B4D83 #3A68B1 #5E88CA

Accessibility & contrast

On white

8.43

#2B4D83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#2B4D83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4D83

8.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4D83	#FFFFFF	#000000	##FFFFFF
##2B4D83	1.00	8.43	2.49	8.43
#FFFFFF	8.43	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#355285

Deuteranopia (green-blind)

#284982

Tritanopia (blue-blind)

#005961

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #2b4d83;
/* rgb */ color: rgb(43, 77, 131);
/* oklch */ color: oklch(42.3% 0.099 259.3);

Tailwind

colors: {
  custom: {
    50: '#6e7ea7',
    500: '#2b4d83',
    950: '#000000',
  },
}

SCSS

$custom: #2b4d83;
$custom-light: #6e7ea7;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4d83",
  "rgb": {
    "r": 43,
    "g": 77,
    "b": 131
  },
  "hsl": {
    "h": 216.818,
    "s": 50.575,
    "l": 34.118
  },
  "oklch": {
    "l": 0.42278,
    "c": 0.09865,
    "h": 259.3
  },
  "luminance": 0.0746
}

Semantic roles & 50–950 ramp

primary

#2B4D83

secondary

#B08F5A

accent

#A44EDA

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#08090F

muted

#7B7B7F

Preview Lab

Preview with #2B4D83

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

Preview Lab → · Contrast checker → · Palette generator →