#2B24A8#2B24A8

#2B24A8 is a dark, vivid blue. Relative luminance 0.046; OKLCH L 37.8% C 0.199 H 273.7°. Best body text is #FFFFFF at 10.94:1 contrast (WCAG AA passes).

Color values

HEX	#2B24A8
RGB	rgb(43, 36, 168)
HSL	hsl(243, 65%, 40%)
HSV	hsv(243, 79%, 66%)
CMYK	cmyk(74.4%, 78.6%, 0%, 34.1%)
CIE-LAB	lab(25.57, 46.10, -68.48)
CIE-LCH	lch(25.57, 82.55, 303.95°)
OKLab	oklab(37.84% 0.0129 -0.1981)
OKLCH	oklch(37.84% 0.199 273.7)
XYZ	xyz(8.6927, 4.6016, 37.4683)
Luminance	0.0460 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B24A8 #A1A824

analogous

#245FA8 #2B24A8 #6D24A8

triadic

#2B24A8 #A82B24 #24A82B

tetradic

#2B24A8 #A8245F #A1A824 #24A86D

square

#2B24A8 #A8245F #A1A824 #24A86D

split-complementary

#2B24A8 #A86D24 #5FA824

monochromatic

#110E43 #1E1976 #2B24A8 #3E35D4 #6E68DF

Accessibility & contrast

On white

10.94

#2B24A8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#2B24A8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B24A8

10.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B24A8	#FFFFFF	#000000	##FFFFFF
##2B24A8	1.00	10.94	1.92	10.94
#FFFFFF	10.94	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043AC

Deuteranopia (green-blind)

#0036A6

Tritanopia (blue-blind)

#004C65

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #2b24a8;
/* rgb */ color: rgb(43, 36, 168);
/* oklch */ color: oklch(37.8% 0.199 273.7);

Tailwind

colors: {
  custom: {
    50: '#7962c3',
    500: '#2b24a8',
    950: '#000000',
  },
}

SCSS

$custom: #2b24a8;
$custom-light: #7962c3;
$custom-dark: #000000;

JSON

{
  "hex": "#2b24a8",
  "rgb": {
    "r": 43,
    "g": 36,
    "b": 168
  },
  "hsl": {
    "h": 243.182,
    "s": 64.706,
    "l": 40
  },
  "oklch": {
    "l": 0.37841,
    "c": 0.19854,
    "h": 273.7
  },
  "luminance": 0.04602
}

Semantic roles & 50–950 ramp

primary

#2B24A8

secondary

#BFC463

accent

#E840DF

background

#F8F5FC

surface

#EFEAF8

border

#CAC6D1

text

#0B0513

muted

#7C7982

Preview Lab

Preview with #2B24A8

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

Preview Lab → · Contrast checker → · Palette generator →