#28217B#28217B

#28217B is a dark, vivid blue. Relative luminance 0.030; OKLCH L 32.3% C 0.145 H 277.9°. Best body text is #FFFFFF at 13.18:1 contrast (WCAG AA passes).

Color values

HEX	#28217B
RGB	rgb(40, 33, 123)
HSL	hsl(245, 58%, 31%)
HSV	hsv(245, 73%, 48%)
CMYK	cmyk(67.5%, 73.2%, 0%, 51.8%)
CIE-LAB	lab(19.92, 32.44, -49.92)
CIE-LCH	lch(19.92, 59.54, 303.02°)
OKLab	oklab(32.35% 0.0201 -0.1441)
OKLCH	oklch(32.35% 0.146 277.9)
XYZ	xyz(4.9929, 2.9685, 19.0449)
Luminance	0.0297 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28217B #747B21

analogous

#21477B #28217B #55217B

triadic

#28217B #7B2821 #217B28

tetradic

#28217B #7B2147 #747B21 #217B55

square

#28217B #7B2147 #747B21 #217B55

split-complementary

#28217B #7B5521 #477B21

monochromatic

#09071A #18144B #28217B #382EAB #5348CE

Accessibility & contrast

On white

13.18

#28217B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#28217B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28217B

13.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28217B	#FFFFFF	#000000	##FFFFFF
##28217B	1.00	13.18	1.59	13.18
#FFFFFF	13.18	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00347E

Deuteranopia (green-blind)

#002C79

Tritanopia (blue-blind)

#003A4B

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #28217b;
/* rgb */ color: rgb(40, 33, 123);
/* oklch */ color: oklch(32.3% 0.145 277.9);

Tailwind

colors: {
  custom: {
    50: '#6e5da2',
    500: '#28217b',
    950: '#000000',
  },
}

SCSS

$custom: #28217b;
$custom-light: #6e5da2;
$custom-dark: #000000;

JSON

{
  "hex": "#28217b",
  "rgb": {
    "r": 40,
    "g": 33,
    "b": 123
  },
  "hsl": {
    "h": 244.667,
    "s": 57.692,
    "l": 30.588
  },
  "oklch": {
    "l": 0.32348,
    "c": 0.1455,
    "h": 277.9
  },
  "luminance": 0.02969
}

Semantic roles & 50–950 ramp

primary

#28217B

secondary

#A6AE4A

accent

#E147D5

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08040F

muted

#7B797F

Preview Lab

Preview with #28217B

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

Preview Lab → · Contrast checker → · Palette generator →