#28299A#28299A

#28299A is a dark, vivid blue. Relative luminance 0.044; OKLCH L 36.8% C 0.177 H 273.1°. Best body text is #FFFFFF at 11.21:1 contrast (WCAG AA passes).

Color values

HEX	#28299A
RGB	rgb(40, 41, 154)
HSL	hsl(239, 59%, 38%)
HSV	hsv(239, 74%, 60%)
CMYK	cmyk(74%, 73.4%, 0%, 39.6%)
CIE-LAB	lab(24.86, 38.34, -61.15)
CIE-LCH	lch(24.86, 72.18, 302.09°)
OKLab	oklab(36.84% 0.0096 -0.1769)
OKLCH	oklch(36.84% 0.177 273.1)
XYZ	xyz(7.4988, 4.3693, 31.0138)
Luminance	0.0437 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28299A #9A9928

analogous

#28629A #28299A #60289A

triadic

#28299A #9A2829 #299A28

tetradic

#28299A #9A2862 #9A9928 #289A60

square

#28299A #9A2862 #9A9928 #289A60

split-complementary

#28299A #9A6028 #629A28

monochromatic

#0F0F39 #1B1C69 #28299A #3536CA #6566D7

Accessibility & contrast

On white

11.21

#28299A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#28299A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28299A

11.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28299A	#FFFFFF	#000000	##FFFFFF
##28299A	1.00	11.21	1.87	11.21
#FFFFFF	11.21	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00409D

Deuteranopia (green-blind)

#003598

Tritanopia (blue-blind)

#00495F

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #28299a;
/* rgb */ color: rgb(40, 41, 154);
/* oklch */ color: oklch(36.8% 0.177 273.1);

Tailwind

colors: {
  custom: {
    50: '#7464b9',
    500: '#28299a',
    950: '#000000',
  },
}

SCSS

$custom: #28299a;
$custom-light: #7464b9;
$custom-dark: #000000;

JSON

{
  "hex": "#28299a",
  "rgb": {
    "r": 40,
    "g": 41,
    "b": 154
  },
  "hsl": {
    "h": 239.474,
    "s": 58.763,
    "l": 38.039
  },
  "oklch": {
    "l": 0.36838,
    "c": 0.17716,
    "h": 273.1
  },
  "luminance": 0.0437
}

Semantic roles & 50–950 ramp

primary

#28299A

secondary

#BDBC61

accent

#E146E2

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0512

muted

#7C7A81

Preview Lab

Preview with #28299A

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

Preview Lab → · Contrast checker → · Palette generator →