#2B4582#2B4582

#2B4582 is a dark, moderate blue. Relative luminance 0.064; OKLCH L 40.3% C 0.107 H 264.7°. Best body text is #FFFFFF at 9.23:1 contrast (WCAG AA passes).

Color values

HEX	#2B4582
RGB	rgb(43, 69, 130)
HSL	hsl(222, 50%, 34%)
HSV	hsv(222, 67%, 51%)
CMYK	cmyk(66.9%, 46.9%, 0%, 49%)
CIE-LAB	lab(30.35, 11.29, -37.38)
CIE-LCH	lch(30.35, 39.05, 286.80°)
OKLab	oklab(40.35% -0.0099 -0.1068)
OKLCH	oklch(40.35% 0.107 264.7)
XYZ	xyz(7.1522, 6.3809, 21.9695)
Luminance	0.0638 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4582 #82682B

analogous

#2B7182 #2B4582 #3D2B82

triadic

#2B4582 #822B45 #45822B

tetradic

#2B4582 #822B71 #82682B #2B823D

square

#2B4582 #822B71 #82682B #2B823D

split-complementary

#2B4582 #823D2B #71822B

monochromatic

#0D1426 #1C2D54 #2B4582 #3A5DB0 #5E7ECA

Accessibility & contrast

On white

9.23

#2B4582 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#2B4582 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4582

9.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4582	#FFFFFF	#000000	##FFFFFF
##2B4582	1.00	9.23	2.28	9.23
#FFFFFF	9.23	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#274C84

Deuteranopia (green-blind)

#184481

Tritanopia (blue-blind)

#00535D

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #2b4582;
/* rgb */ color: rgb(43, 69, 130);
/* oklch */ color: oklch(40.3% 0.107 264.7);

Tailwind

colors: {
  custom: {
    50: '#6e78a7',
    500: '#2b4582',
    950: '#000000',
  },
}

SCSS

$custom: #2b4582;
$custom-light: #6e78a7;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4582",
  "rgb": {
    "r": 43,
    "g": 69,
    "b": 130
  },
  "hsl": {
    "h": 222.069,
    "s": 50.289,
    "l": 33.922
  },
  "oklch": {
    "l": 0.40347,
    "c": 0.1073,
    "h": 264.7
  },
  "luminance": 0.06382
}

Semantic roles & 50–950 ramp

primary

#2B4582

secondary

#B09659

accent

#B04EDA

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#08080F

muted

#7B7B7F

Preview Lab

Preview with #2B4582

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

Preview Lab → · Contrast checker → · Palette generator →