#28299D#28299D

#28299D is a dark, vivid blue. Relative luminance 0.045; OKLCH L 37.2% C 0.181 H 272.9°. Best body text is #FFFFFF at 11.09:1 contrast (WCAG AA passes).

Color values

HEX	#28299D
RGB	rgb(40, 41, 157)
HSL	hsl(239, 59%, 39%)
HSV	hsv(239, 75%, 62%)
CMYK	cmyk(74.5%, 73.9%, 0%, 38.4%)
CIE-LAB	lab(25.17, 39.38, -62.47)
CIE-LCH	lch(25.17, 73.84, 302.23°)
OKLab	oklab(37.16% 0.0091 -0.1807)
OKLCH	oklch(37.16% 0.181 272.9)
XYZ	xyz(7.7518, 4.4705, 32.3461)
Luminance	0.0447 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28299D #9D9C28

analogous

#28639D #28299D #61289D

triadic

#28299D #9D2829 #299D28

tetradic

#28299D #9D2863 #9D9C28 #289D61

square

#28299D #9D2863 #9D9C28 #289D61

split-complementary

#28299D #9D6128 #639D28

monochromatic

#0F103B #1C1C6C #28299D #3638CC #6768D8

Accessibility & contrast

On white

11.09

#28299D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#28299D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28299D

11.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28299D	#FFFFFF	#000000	##FFFFFF
##28299D	1.00	11.09	1.89	11.09
#FFFFFF	11.09	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0041A0

Deuteranopia (green-blind)

#00369B

Tritanopia (blue-blind)

#004A60

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #28299d;
/* rgb */ color: rgb(40, 41, 157);
/* oklch */ color: oklch(37.2% 0.181 272.9);

Tailwind

colors: {
  custom: {
    50: '#7564bb',
    500: '#28299d',
    950: '#000000',
  },
}

SCSS

$custom: #28299d;
$custom-light: #7564bb;
$custom-dark: #000000;

JSON

{
  "hex": "#28299d",
  "rgb": {
    "r": 40,
    "g": 41,
    "b": 157
  },
  "hsl": {
    "h": 239.487,
    "s": 59.391,
    "l": 38.627
  },
  "oklch": {
    "l": 0.37155,
    "c": 0.18097,
    "h": 272.9
  },
  "luminance": 0.04471
}

Semantic roles & 50–950 ramp

primary

#28299D

secondary

#BEBE62

accent

#E145E3

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0512

muted

#7C7A81

Preview Lab

Preview with #28299D

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

Preview Lab → · Contrast checker → · Palette generator →