#2B4C9F#2B4C9F

#2B4C9F is a dark, vivid blue. Relative luminance 0.082; OKLCH L 44.0% C 0.140 H 264.9°. Best body text is #FFFFFF at 7.96:1 contrast (WCAG AA passes).

Color values

HEX	#2B4C9F
RGB	rgb(43, 76, 159)
HSL	hsl(223, 57%, 40%)
HSV	hsv(223, 73%, 62%)
CMYK	cmyk(73%, 52.2%, 0%, 37.6%)
CIE-LAB	lab(34.36, 17.66, -48.66)
CIE-LCH	lch(34.36, 51.76, 289.95°)
OKLab	oklab(44.04% -0.0126 -0.1399)
OKLCH	oklch(44.04% 0.14 264.9)
XYZ	xyz(9.8365, 8.1846, 33.8556)
Luminance	0.0819 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4C9F #9F7E2B

analogous

#2B869F #2B4C9F #442B9F

triadic

#2B4C9F #9F2B4C #4C9F2B

tetradic

#2B4C9F #9F2B86 #9F7E2B #2B9F44

square

#2B4C9F #9F2B86 #9F7E2B #2B9F44

split-complementary

#2B4C9F #9F442B #869F2B

monochromatic

#111E3F #1E356F #2B4C9F #3D65CA #6D8BD7

Accessibility & contrast

On white

7.96

#2B4C9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#2B4C9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4C9F

7.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4C9F	#FFFFFF	#000000	##FFFFFF
##2B4C9F	1.00	7.96	2.64	7.96
#FFFFFF	7.96	1.00	21.00	1.00
#000000	2.64	21.00	1.00	21.00
##FFFFFF	7.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1756A2

Deuteranopia (green-blind)

#004C9D

Tritanopia (blue-blind)

#00606E

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #2b4c9f;
/* rgb */ color: rgb(43, 76, 159);
/* oklch */ color: oklch(44.0% 0.140 264.9);

Tailwind

colors: {
  custom: {
    50: '#747dbc',
    500: '#2b4c9f',
    950: '#000000',
  },
}

SCSS

$custom: #2b4c9f;
$custom-light: #747dbc;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4c9f",
  "rgb": {
    "r": 43,
    "g": 76,
    "b": 159
  },
  "hsl": {
    "h": 222.931,
    "s": 57.426,
    "l": 39.608
  },
  "oklch": {
    "l": 0.44044,
    "c": 0.14046,
    "h": 264.9
  },
  "luminance": 0.08186
}

Semantic roles & 50–950 ramp

primary

#2B4C9F

secondary

#BEA667

accent

#B547E1

background

#F7F7FB

surface

#EEEEF6

border

#C9C9D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #2B4C9F

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

Preview Lab → · Contrast checker → · Palette generator →