#2B4E9F#2B4E9F

#2B4E9F is a dark, vivid blue. Relative luminance 0.085; OKLCH L 44.5% C 0.138 H 264.0°. Best body text is #FFFFFF at 7.80:1 contrast (WCAG AA passes).

Color values

HEX	#2B4E9F
RGB	rgb(43, 78, 159)
HSL	hsl(222, 57%, 40%)
HSV	hsv(222, 73%, 62%)
CMYK	cmyk(73%, 50.9%, 0%, 37.6%)
CIE-LAB	lab(34.93, 16.32, -47.74)
CIE-LCH	lch(34.93, 50.46, 288.87°)
OKLab	oklab(44.48% -0.0143 -0.1372)
OKLCH	oklch(44.48% 0.138 264)
XYZ	xyz(9.9764, 8.4645, 33.9022)
Luminance	0.0847 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4E9F #9F7C2B

analogous

#2B889F #2B4E9F #422B9F

triadic

#2B4E9F #9F2B4E #4E9F2B

tetradic

#2B4E9F #9F2B88 #9F7C2B #2B9F42

square

#2B4E9F #9F2B88 #9F7C2B #2B9F42

split-complementary

#2B4E9F #9F422B #889F2B

monochromatic

#111F3F #1E366F #2B4E9F #3D67CA #6D8DD7

Accessibility & contrast

On white

7.80

#2B4E9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#2B4E9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4E9F

7.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4E9F	#FFFFFF	#000000	##FFFFFF
##2B4E9F	1.00	7.80	2.69	7.80
#FFFFFF	7.80	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E58A2

Deuteranopia (green-blind)

#004D9D

Tritanopia (blue-blind)

#00616F

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #2b4e9f;
/* rgb */ color: rgb(43, 78, 159);
/* oklch */ color: oklch(44.5% 0.138 264.0);

Tailwind

colors: {
  custom: {
    50: '#747fbc',
    500: '#2b4e9f',
    950: '#000000',
  },
}

SCSS

$custom: #2b4e9f;
$custom-light: #747fbc;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4e9f",
  "rgb": {
    "r": 43,
    "g": 78,
    "b": 159
  },
  "hsl": {
    "h": 221.897,
    "s": 57.426,
    "l": 39.608
  },
  "oklch": {
    "l": 0.44476,
    "c": 0.13791,
    "h": 264
  },
  "luminance": 0.08466
}

Semantic roles & 50–950 ramp

primary

#2B4E9F

secondary

#BEA467

accent

#B247E1

background

#F7F7FB

surface

#EEEEF6

border

#C9C9D0

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #2B4E9F

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

Preview Lab → · Contrast checker → · Palette generator →