#2B4E9D#2B4E9D

#2B4E9D is a dark, vivid blue. Relative luminance 0.084; OKLCH L 44.3% C 0.135 H 263.8°. Best body text is #FFFFFF at 7.84:1 contrast (WCAG AA passes).

Color values

HEX	#2B4E9D
RGB	rgb(43, 78, 157)
HSL	hsl(222, 57%, 39%)
HSV	hsv(222, 73%, 62%)
CMYK	cmyk(72.6%, 50.3%, 0%, 38.4%)
CIE-LAB	lab(34.79, 15.55, -46.76)
CIE-LCH	lch(34.79, 49.28, 288.40°)
OKLab	oklab(44.33% -0.0146 -0.1343)
OKLCH	oklch(44.33% 0.135 263.8)
XYZ	xyz(9.8043, 8.3957, 32.9956)
Luminance	0.0840 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4E9D #9D7A2B

analogous

#2B879D #2B4E9D #412B9D

triadic

#2B4E9D #9D2B4E #4E9D2B

tetradic

#2B4E9D #9D2B87 #9D7A2B #2B9D41

square

#2B4E9D #9D2B87 #9D7A2B #2B9D41

split-complementary

#2B4E9D #9D412B #879D2B

monochromatic

#111E3D #1E366D #2B4E9D #3C67CA #6C8DD7

Accessibility & contrast

On white

7.84

#2B4E9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#2B4E9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4E9D

7.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4E9D	#FFFFFF	#000000	##FFFFFF
##2B4E9D	1.00	7.84	2.68	7.84
#FFFFFF	7.84	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2057A0

Deuteranopia (green-blind)

#004D9B

Tritanopia (blue-blind)

#00616E

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #2b4e9d;
/* rgb */ color: rgb(43, 78, 157);
/* oklch */ color: oklch(44.3% 0.135 263.8);

Tailwind

colors: {
  custom: {
    50: '#737fba',
    500: '#2b4e9d',
    950: '#000000',
  },
}

SCSS

$custom: #2b4e9d;
$custom-light: #737fba;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4e9d",
  "rgb": {
    "r": 43,
    "g": 78,
    "b": 157
  },
  "hsl": {
    "h": 221.579,
    "s": 57,
    "l": 39.216
  },
  "oklch": {
    "l": 0.44326,
    "c": 0.13506,
    "h": 263.8
  },
  "luminance": 0.08397
}

Semantic roles & 50–950 ramp

primary

#2B4E9D

secondary

#BDA366

accent

#B148E0

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #2B4E9D

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

Preview Lab → · Contrast checker → · Palette generator →