#28219C#28219C

#28219C is a dark, vivid blue. Relative luminance 0.039; OKLCH L 35.9% C 0.188 H 274.0°. Best body text is #FFFFFF at 11.75:1 contrast (WCAG AA passes).

Color values

HEX	#28219C
RGB	rgb(40, 33, 156)
HSL	hsl(243, 65%, 37%)
HSV	hsv(243, 79%, 61%)
CMYK	cmyk(74.4%, 78.8%, 0%, 38.8%)
CIE-LAB	lab(23.47, 43.56, -64.67)
CIE-LCH	lch(23.47, 77.97, 303.96°)
OKLab	oklab(35.92% 0.013 -0.1871)
OKLCH	oklch(35.92% 0.188 274)
XYZ	xyz(7.4177, 3.9384, 31.8153)
Luminance	0.0394 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28219C #959C21

analogous

#21579C #28219C #66219C

triadic

#28219C #9C2821 #219C28

tetradic

#28219C #9C2157 #959C21 #219C66

square

#28219C #9C2157 #959C21 #219C66

split-complementary

#28219C #9C6621 #579C21

monochromatic

#0E0C37 #1B1669 #28219C #352CCF #625BDC

Accessibility & contrast

On white

11.75

#28219C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#28219C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28219C

11.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28219C	#FFFFFF	#000000	##FFFFFF
##28219C	1.00	11.75	1.79	11.75
#FFFFFF	11.75	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D9F

Deuteranopia (green-blind)

#00329A

Tritanopia (blue-blind)

#00465E

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #28219c;
/* rgb */ color: rgb(40, 33, 156);
/* oklch */ color: oklch(35.9% 0.188 274.0);

Tailwind

colors: {
  custom: {
    50: '#765fba',
    500: '#28219c',
    950: '#000000',
  },
}

SCSS

$custom: #28219c;
$custom-light: #765fba;
$custom-dark: #000000;

JSON

{
  "hex": "#28219c",
  "rgb": {
    "r": 40,
    "g": 33,
    "b": 156
  },
  "hsl": {
    "h": 243.415,
    "s": 65.079,
    "l": 37.059
  },
  "oklch": {
    "l": 0.35919,
    "c": 0.18752,
    "h": 274
  },
  "luminance": 0.03939
}

Semantic roles & 50–950 ramp

primary

#28219C

secondary

#BBC158

accent

#E840DE

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0512

muted

#7C7981

Preview Lab

Preview with #28219C

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

Preview Lab → · Contrast checker → · Palette generator →