#2B4A8D#2B4A8D

#2B4A8D is a dark, moderate blue. Relative luminance 0.073; OKLCH L 42.3% C 0.117 H 263.5°. Best body text is #FFFFFF at 8.51:1 contrast (WCAG AA passes).

Color values

HEX	#2B4A8D
RGB	rgb(43, 74, 141)
HSL	hsl(221, 53%, 36%)
HSV	hsv(221, 70%, 55%)
CMYK	cmyk(69.5%, 47.5%, 0%, 44.7%)
CIE-LAB	lab(32.55, 12.11, -40.64)
CIE-LCH	lch(32.55, 42.41, 286.59°)
OKLab	oklab(42.27% -0.0132 -0.1163)
OKLCH	oklch(42.27% 0.117 263.5)
XYZ	xyz(8.2511, 7.3334, 26.1748)
Luminance	0.0733 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4A8D #8D6E2B

analogous

#2B7B8D #2B4A8D #3D2B8D

triadic

#2B4A8D #8D2B4A #4A8D2B

tetradic

#2B4A8D #8D2B7B #8D6E2B #2B8D3D

square

#2B4A8D #8D2B7B #8D6E2B #2B8D3D

split-complementary

#2B4A8D #8D3D2B #7B8D2B

monochromatic

#0E192F #1D315E #2B4A8D #3963BC #6385CF

Accessibility & contrast

On white

8.51

#2B4A8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#2B4A8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4A8D

8.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4A8D	#FFFFFF	#000000	##FFFFFF
##2B4A8D	1.00	8.51	2.47	8.51
#FFFFFF	8.51	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#285190

Deuteranopia (green-blind)

#14488C

Tritanopia (blue-blind)

#005A64

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #2b4a8d;
/* rgb */ color: rgb(43, 74, 141);
/* oklch */ color: oklch(42.3% 0.117 263.5);

Tailwind

colors: {
  custom: {
    50: '#707caf',
    500: '#2b4a8d',
    950: '#000000',
  },
}

SCSS

$custom: #2b4a8d;
$custom-light: #707caf;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4a8d",
  "rgb": {
    "r": 43,
    "g": 74,
    "b": 141
  },
  "hsl": {
    "h": 221.02,
    "s": 53.261,
    "l": 36.078
  },
  "oklch": {
    "l": 0.42267,
    "c": 0.11709,
    "h": 263.5
  },
  "luminance": 0.07334
}

Semantic roles & 50–950 ramp

primary

#2B4A8D

secondary

#B69A5E

accent

#AF4BDD

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#080910

muted

#7B7B7F

Preview Lab

Preview with #2B4A8D

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

Preview Lab → · Contrast checker → · Palette generator →