#28299E#28299E

#28299E is a dark, vivid blue. Relative luminance 0.045; OKLCH L 37.3% C 0.182 H 272.8°. Best body text is #FFFFFF at 11.05:1 contrast (WCAG AA passes).

Color values

HEX	#28299E
RGB	rgb(40, 41, 158)
HSL	hsl(239, 60%, 39%)
HSV	hsv(239, 75%, 62%)
CMYK	cmyk(74.7%, 74.1%, 0%, 38%)
CIE-LAB	lab(25.27, 39.72, -62.90)
CIE-LCH	lch(25.27, 74.40, 302.27°)
OKLab	oklab(37.26% 0.0089 -0.182)
OKLCH	oklch(37.26% 0.182 272.8)
XYZ	xyz(7.8375, 4.5048, 32.7976)
Luminance	0.0451 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28299E #9E9D28

analogous

#28649E #28299E #62289E

triadic

#28299E #9E2829 #299E28

tetradic

#28299E #9E2864 #9E9D28 #289E62

square

#28299E #9E2864 #9E9D28 #289E62

split-complementary

#28299E #9E6228 #649E28

monochromatic

#0F103C #1C1C6D #28299E #3738CC #6869D9

Accessibility & contrast

On white

11.05

#28299E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#28299E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28299E

11.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28299E	#FFFFFF	#000000	##FFFFFF
##28299E	1.00	11.05	1.90	11.05
#FFFFFF	11.05	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042A1

Deuteranopia (green-blind)

#00369C

Tritanopia (blue-blind)

#004B61

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #28299e;
/* rgb */ color: rgb(40, 41, 158);
/* oklch */ color: oklch(37.3% 0.182 272.8);

Tailwind

colors: {
  custom: {
    50: '#7564bc',
    500: '#28299e',
    950: '#000000',
  },
}

SCSS

$custom: #28299e;
$custom-light: #7564bc;
$custom-dark: #000000;

JSON

{
  "hex": "#28299e",
  "rgb": {
    "r": 40,
    "g": 41,
    "b": 158
  },
  "hsl": {
    "h": 239.492,
    "s": 59.596,
    "l": 38.824
  },
  "oklch": {
    "l": 0.37261,
    "c": 0.18223,
    "h": 272.8
  },
  "luminance": 0.04506
}

Semantic roles & 50–950 ramp

primary

#28299E

secondary

#BFBE63

accent

#E145E3

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0512

muted

#7C7A81

Preview Lab

Preview with #28299E

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

Preview Lab → · Contrast checker → · Palette generator →