#28218F#28218F

#28218F is a dark, vivid blue. Relative luminance 0.035; OKLCH L 34.5% C 0.171 H 275.4°. Best body text is #FFFFFF at 12.32:1 contrast (WCAG AA passes).

Color values

HEX	#28218F
RGB	rgb(40, 33, 143)
HSL	hsl(244, 63%, 35%)
HSV	hsv(244, 77%, 56%)
CMYK	cmyk(72%, 76.9%, 0%, 43.9%)
CIE-LAB	lab(22.02, 39.27, -59.04)
CIE-LCH	lch(22.02, 70.91, 303.63°)
OKLab	oklab(34.48% 0.016 -0.1707)
OKLCH	oklch(34.48% 0.171 275.4)
XYZ	xyz(6.3752, 3.5214, 26.3250)
Luminance	0.0352 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28218F #888F21

analogous

#21518F #28218F #5F218F

triadic

#28218F #8F2821 #218F28

tetradic

#28218F #8F2151 #888F21 #218F5F

square

#28218F #8F2151 #888F21 #218F5F

split-complementary

#28218F #8F5F21 #518F21

monochromatic

#0C0A2C #1A165D #28218F #362CC1 #5B53D7

Accessibility & contrast

On white

12.32

#28218F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#28218F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28218F

12.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28218F	#FFFFFF	#000000	##FFFFFF
##28218F	1.00	12.32	1.70	12.32
#FFFFFF	12.32	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A92

Deuteranopia (green-blind)

#00308D

Tritanopia (blue-blind)

#004156

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #28218f;
/* rgb */ color: rgb(40, 33, 143);
/* oklch */ color: oklch(34.5% 0.171 275.4);

Tailwind

colors: {
  custom: {
    50: '#735eb1',
    500: '#28218f',
    950: '#000000',
  },
}

SCSS

$custom: #28218f;
$custom-light: #735eb1;
$custom-dark: #000000;

JSON

{
  "hex": "#28218f",
  "rgb": {
    "r": 40,
    "g": 33,
    "b": 143
  },
  "hsl": {
    "h": 243.818,
    "s": 62.5,
    "l": 34.51
  },
  "oklch": {
    "l": 0.34475,
    "c": 0.17145,
    "h": 275.4
  },
  "luminance": 0.03522
}

Semantic roles & 50–950 ramp

primary

#28218F

secondary

#B4BB51

accent

#E642DB

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #28218F

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

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