#28249B#28249B

#28249B is a dark, vivid blue. Relative luminance 0.041; OKLCH L 36.2% C 0.183 H 273.7°. Best body text is #FFFFFF at 11.57:1 contrast (WCAG AA passes).

Color values

HEX	#28249B
RGB	rgb(40, 36, 155)
HSL	hsl(242, 62%, 37%)
HSV	hsv(242, 77%, 61%)
CMYK	cmyk(74.2%, 76.8%, 0%, 39.2%)
CIE-LAB	lab(23.93, 41.59, -63.29)
CIE-LCH	lch(23.93, 75.73, 303.31°)
OKLab	oklab(36.21% 0.0119 -0.1831)
OKLCH	oklch(36.21% 0.183 273.7)
XYZ	xyz(7.4204, 4.0787, 31.4002)
Luminance	0.0408 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28249B #979B24

analogous

#245B9B #28249B #64249B

triadic

#28249B #9B2824 #249B28

tetradic

#28249B #9B245B #979B24 #249B64

square

#28249B #9B245B #979B24 #249B64

split-complementary

#28249B #9B6424 #5B9B24

monochromatic

#0E0D38 #1B1869 #28249B #3530CD #645FDA

Accessibility & contrast

On white

11.57

#28249B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#28249B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28249B

11.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28249B	#FFFFFF	#000000	##FFFFFF
##28249B	1.00	11.57	1.82	11.57
#FFFFFF	11.57	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E9E

Deuteranopia (green-blind)

#003399

Tritanopia (blue-blind)

#00475E

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #28249b;
/* rgb */ color: rgb(40, 36, 155);
/* oklch */ color: oklch(36.2% 0.183 273.7);

Tailwind

colors: {
  custom: {
    50: '#7561ba',
    500: '#28249b',
    950: '#000000',
  },
}

SCSS

$custom: #28249b;
$custom-light: #7561ba;
$custom-dark: #000000;

JSON

{
  "hex": "#28249b",
  "rgb": {
    "r": 40,
    "g": 36,
    "b": 155
  },
  "hsl": {
    "h": 242.017,
    "s": 62.304,
    "l": 37.451
  },
  "oklch": {
    "l": 0.36212,
    "c": 0.18349,
    "h": 273.7
  },
  "luminance": 0.04079
}

Semantic roles & 50–950 ramp

primary

#28249B

secondary

#BCBF5C

accent

#E542E0

background

#F7F5FB

surface

#EEEAF6

border

#C9C6D0

text

#0A0512

muted

#7C7981

Preview Lab

Preview with #28249B

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

Preview Lab → · Contrast checker → · Palette generator →