#28209B#28209B

#28209B is a dark, vivid blue. Relative luminance 0.039; OKLCH L 35.7% C 0.187 H 274.2°. Best body text is #FFFFFF at 11.86:1 contrast (WCAG AA passes).

Color values

HEX	#28209B
RGB	rgb(40, 32, 155)
HSL	hsl(244, 66%, 37%)
HSV	hsv(244, 79%, 61%)
CMYK	cmyk(74.2%, 79.4%, 0%, 39.2%)
CIE-LAB	lab(23.17, 43.76, -64.55)
CIE-LCH	lch(23.17, 77.98, 304.14°)
OKLab	oklab(35.68% 0.0137 -0.1867)
OKLCH	oklch(35.68% 0.187 274.2)
XYZ	xyz(7.3060, 3.8500, 31.3621)
Luminance	0.0385 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28209B #939B20

analogous

#20569B #28209B #65209B

triadic

#28209B #9B2820 #209B28

tetradic

#28209B #9B2056 #939B20 #209B65

square

#28209B #9B2056 #939B20 #209B65

split-complementary

#28209B #9B6520 #569B20

monochromatic

#0E0B36 #1B1668 #28209B #352ACE #6159DD

Accessibility & contrast

On white

11.86

#28209B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#28209B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28209B

11.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28209B	#FFFFFF	#000000	##FFFFFF
##28209B	1.00	11.86	1.77	11.86
#FFFFFF	11.86	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D9E

Deuteranopia (green-blind)

#003199

Tritanopia (blue-blind)

#00455D

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #28209b;
/* rgb */ color: rgb(40, 32, 155);
/* oklch */ color: oklch(35.7% 0.187 274.2);

Tailwind

colors: {
  custom: {
    50: '#765eba',
    500: '#28209b',
    950: '#000000',
  },
}

SCSS

$custom: #28209b;
$custom-light: #765eba;
$custom-dark: #000000;

JSON

{
  "hex": "#28209b",
  "rgb": {
    "r": 40,
    "g": 32,
    "b": 155
  },
  "hsl": {
    "h": 243.902,
    "s": 65.775,
    "l": 36.667
  },
  "oklch": {
    "l": 0.35677,
    "c": 0.18721,
    "h": 274.2
  },
  "luminance": 0.03851
}

Semantic roles & 50–950 ramp

primary

#28209B

secondary

#BAC156

accent

#E93FDE

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0512

muted

#7C7981

Preview Lab

Preview with #28209B

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

Preview Lab → · Contrast checker → · Palette generator →