#28218E#28218E

#28218E is a dark, vivid blue. Relative luminance 0.035; OKLCH L 34.4% C 0.170 H 275.5°. Best body text is #FFFFFF at 12.36:1 contrast (WCAG AA passes).

Color values

HEX	#28218E
RGB	rgb(40, 33, 142)
HSL	hsl(244, 62%, 34%)
HSV	hsv(244, 77%, 56%)
CMYK	cmyk(71.8%, 76.8%, 0%, 44.3%)
CIE-LAB	lab(21.91, 38.93, -58.60)
CIE-LCH	lch(21.91, 70.35, 303.60°)
OKLab	oklab(34.37% 0.0162 -0.1694)
OKLCH	oklch(34.37% 0.17 275.5)
XYZ	xyz(6.2998, 3.4912, 25.9278)
Luminance	0.0349 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28218E #878E21

analogous

#21518E #28218E #5F218E

triadic

#28218E #8E2821 #218E28

tetradic

#28218E #8E2151 #878E21 #218E5F

square

#28218E #8E2151 #878E21 #218E5F

split-complementary

#28218E #8E5F21 #518E21

monochromatic

#0C0A2B #1A155C #28218E #362DC0 #5B52D7

Accessibility & contrast

On white

12.36

#28218E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#28218E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28218E

12.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28218E	#FFFFFF	#000000	##FFFFFF
##28218E	1.00	12.36	1.70	12.36
#FFFFFF	12.36	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003991

Deuteranopia (green-blind)

#00308C

Tritanopia (blue-blind)

#004156

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #28218e;
/* rgb */ color: rgb(40, 33, 142);
/* oklch */ color: oklch(34.4% 0.170 275.5);

Tailwind

colors: {
  custom: {
    50: '#725eb0',
    500: '#28218e',
    950: '#000000',
  },
}

SCSS

$custom: #28218e;
$custom-light: #725eb0;
$custom-dark: #000000;

JSON

{
  "hex": "#28218e",
  "rgb": {
    "r": 40,
    "g": 33,
    "b": 142
  },
  "hsl": {
    "h": 243.853,
    "s": 62.286,
    "l": 34.314
  },
  "oklch": {
    "l": 0.34366,
    "c": 0.17019,
    "h": 275.5
  },
  "luminance": 0.03492
}

Semantic roles & 50–950 ramp

primary

#28218E

secondary

#B4BA50

accent

#E542DB

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #28218E

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

Preview Lab → · Contrast checker → · Palette generator →