#2B43AF#2B43AF

#2B43AF is a dark, vivid blue. Relative luminance 0.076; OKLCH L 43.5% C 0.174 H 268.4°. Best body text is #FFFFFF at 8.32:1 contrast (WCAG AA passes).

Color values

HEX	#2B43AF
RGB	rgb(43, 67, 175)
HSL	hsl(229, 61%, 43%)
HSV	hsv(229, 75%, 69%)
CMYK	cmyk(75.4%, 61.7%, 0%, 31.4%)
CIE-LAB	lab(33.18, 29.72, -60.16)
CIE-LCH	lch(33.18, 67.10, 296.29°)
OKLab	oklab(43.55% -0.0049 -0.1738)
OKLCH	oklch(43.55% 0.174 268.4)
XYZ	xyz(10.7386, 7.6219, 41.4543)
Luminance	0.0762 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B43AF #AF972B

analogous

#2B85AF #2B43AF #552BAF

triadic

#2B43AF #AF2B43 #43AF2B

tetradic

#2B43AF #AF2B85 #AF972B #2BAF55

square

#2B43AF #AF2B85 #AF972B #2BAF55

split-complementary

#2B43AF #AF552B #85AF2B

monochromatic

#131D4D #1F307E #2B43AF #465FD1 #778ADE

Accessibility & contrast

On white

8.32

#2B43AF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#2B43AF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B43AF

8.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B43AF	#FFFFFF	#000000	##FFFFFF
##2B43AF	1.00	8.32	2.52	8.32
#FFFFFF	8.32	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054B3

Deuteranopia (green-blind)

#0048AD

Tritanopia (blue-blind)

#005F72

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #2b43af;
/* rgb */ color: rgb(43, 67, 175);
/* oklch */ color: oklch(43.5% 0.174 268.4);

Tailwind

colors: {
  custom: {
    50: '#7877c8',
    500: '#2b43af',
    950: '#000000',
  },
}

SCSS

$custom: #2b43af;
$custom-light: #7877c8;
$custom-dark: #000000;

JSON

{
  "hex": "#2b43af",
  "rgb": {
    "r": 43,
    "g": 67,
    "b": 175
  },
  "hsl": {
    "h": 229.091,
    "s": 60.55,
    "l": 42.745
  },
  "oklch": {
    "l": 0.43547,
    "c": 0.17389,
    "h": 268.4
  },
  "luminance": 0.07623
}

Semantic roles & 50–950 ramp

primary

#2B43AF

secondary

#C5B670

accent

#C744E4

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2B43AF

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

Preview Lab → · Contrast checker → · Palette generator →