#2B4BAB#2B4BAB

#2B4BAB is a dark, vivid blue. Relative luminance 0.085; OKLCH L 44.8% C 0.159 H 266.1°. Best body text is #FFFFFF at 7.79:1 contrast (WCAG AA passes).

Color values

HEX	#2B4BAB
RGB	rgb(43, 75, 171)
HSL	hsl(225, 60%, 42%)
HSV	hsv(225, 75%, 67%)
CMYK	cmyk(74.9%, 56.1%, 0%, 32.9%)
CIE-LAB	lab(34.97, 22.92, -54.86)
CIE-LCH	lch(34.97, 59.45, 292.67°)
OKLab	oklab(44.78% -0.0107 -0.1582)
OKLCH	oklch(44.78% 0.159 266.1)
XYZ	xyz(10.8604, 8.4848, 39.5855)
Luminance	0.0849 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B4BAB #AB8B2B

analogous

#2B8BAB #2B4BAB #4B2BAB

triadic

#2B4BAB #AB2B4B #4BAB2B

tetradic

#2B4BAB #AB2B8B #AB8B2B #2BAB4B

square

#2B4BAB #AB2B8B #AB8B2B #2BAB4B

split-complementary

#2B4BAB #AB4B2B #8BAB2B

monochromatic

#122049 #1F367A #2B4BAB #4366D0 #748EDC

Accessibility & contrast

On white

7.79

#2B4BAB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#2B4BAB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B4BAB

7.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B4BAB	#FFFFFF	#000000	##FFFFFF
##2B4BAB	1.00	7.79	2.70	7.79
#FFFFFF	7.79	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058AE

Deuteranopia (green-blind)

#004DA9

Tritanopia (blue-blind)

#006373

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #2b4bab;
/* rgb */ color: rgb(43, 75, 171);
/* oklch */ color: oklch(44.8% 0.159 266.1);

Tailwind

colors: {
  custom: {
    50: '#777cc5',
    500: '#2b4bab',
    950: '#000000',
  },
}

SCSS

$custom: #2b4bab;
$custom-light: #777cc5;
$custom-dark: #000000;

JSON

{
  "hex": "#2b4bab",
  "rgb": {
    "r": 43,
    "g": 75,
    "b": 171
  },
  "hsl": {
    "h": 225,
    "s": 59.813,
    "l": 41.961
  },
  "oklch": {
    "l": 0.44784,
    "c": 0.15851,
    "h": 266.1
  },
  "luminance": 0.08486
}

Semantic roles & 50–950 ramp

primary

#2B4BAB

secondary

#C4AE6E

accent

#BB45E3

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #2B4BAB

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

Preview Lab → · Contrast checker → · Palette generator →