#28299F#28299F

#28299F is a dark, vivid blue. Relative luminance 0.045; OKLCH L 37.4% C 0.183 H 272.7°. Best body text is #FFFFFF at 11.01:1 contrast (WCAG AA passes).

Color values

HEX	#28299F
RGB	rgb(40, 41, 159)
HSL	hsl(239, 60%, 39%)
HSV	hsv(239, 75%, 62%)
CMYK	cmyk(74.8%, 74.2%, 0%, 37.6%)
CIE-LAB	lab(25.38, 40.06, -63.34)
CIE-LCH	lch(25.38, 74.95, 302.31°)
OKLab	oklab(37.37% 0.0088 -0.1833)
OKLCH	oklch(37.37% 0.183 272.7)
XYZ	xyz(7.9239, 4.5394, 33.2527)
Luminance	0.0454 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28299F #9F9E28

analogous

#28659F #28299F #63289F

triadic

#28299F #9F2829 #299F28

tetradic

#28299F #9F2865 #9F9E28 #289F63

square

#28299F #9F2865 #9F9E28 #289F63

split-complementary

#28299F #9F6328 #659F28

monochromatic

#0F103D #1C1C6E #28299F #3739CD #6869D9

Accessibility & contrast

On white

11.01

#28299F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#28299F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28299F

11.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28299F	#FFFFFF	#000000	##FFFFFF
##28299F	1.00	11.01	1.91	11.01
#FFFFFF	11.01	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	11.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042A2

Deuteranopia (green-blind)

#00369D

Tritanopia (blue-blind)

#004B61

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #28299f;
/* rgb */ color: rgb(40, 41, 159);
/* oklch */ color: oklch(37.4% 0.183 272.7);

Tailwind

colors: {
  custom: {
    50: '#7664bd',
    500: '#28299f',
    950: '#000000',
  },
}

SCSS

$custom: #28299f;
$custom-light: #7664bd;
$custom-dark: #000000;

JSON

{
  "hex": "#28299f",
  "rgb": {
    "r": 40,
    "g": 41,
    "b": 159
  },
  "hsl": {
    "h": 239.496,
    "s": 59.799,
    "l": 39.02
  },
  "oklch": {
    "l": 0.37368,
    "c": 0.18349,
    "h": 272.7
  },
  "luminance": 0.0454
}

Semantic roles & 50–950 ramp

primary

#28299F

secondary

#BFBF64

accent

#E245E3

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0512

muted

#7C7A81

Preview Lab

Preview with #28299F

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

Preview Lab → · Contrast checker → · Palette generator →