#28148E#28148E

#28148E is a dark, vivid blue. Relative luminance 0.029; OKLCH L 32.8% C 0.181 H 277.0°. Best body text is #FFFFFF at 13.28:1 contrast (WCAG AA passes).

Color values

HEX	#28148E
RGB	rgb(40, 20, 142)
HSL	hsl(250, 75%, 32%)
HSV	hsv(250, 86%, 56%)
CMYK	cmyk(71.8%, 85.9%, 0%, 44.3%)
CIE-LAB	lab(19.65, 45.47, -62.33)
CIE-LCH	lch(19.65, 77.16, 306.11°)
OKLab	oklab(32.79% 0.0221 -0.1801)
OKLCH	oklch(32.79% 0.181 277)
XYZ	xyz(6.0061, 2.9039, 25.8299)
Luminance	0.0290 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28148E #7A8E14

analogous

#143D8E #28148E #65148E

triadic

#28148E #8E2814 #148E28

tetradic

#28148E #8E143D #7A8E14 #148E65

square

#28148E #8E143D #7A8E14 #148E65

split-complementary

#28148E #8E6514 #3D8E14

monochromatic

#0A0523 #190C58 #28148E #371CC4 #5539E3

Accessibility & contrast

On white

13.28

#28148E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#28148E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28148E

13.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28148E	#FFFFFF	#000000	##FFFFFF
##28148E	1.00	13.28	1.58	13.28
#FFFFFF	13.28	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003491

Deuteranopia (green-blind)

#002A8C

Tritanopia (blue-blind)

#003C53

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #28148e;
/* rgb */ color: rgb(40, 20, 142);
/* oklch */ color: oklch(32.8% 0.181 277.0);

Tailwind

colors: {
  custom: {
    50: '#7457b0',
    500: '#28148e',
    950: '#000000',
  },
}

SCSS

$custom: #28148e;
$custom-light: #7457b0;
$custom-dark: #000000;

JSON

{
  "hex": "#28148e",
  "rgb": {
    "r": 40,
    "g": 20,
    "b": 142
  },
  "hsl": {
    "h": 249.836,
    "s": 75.309,
    "l": 31.765
  },
  "oklch": {
    "l": 0.32794,
    "c": 0.18144,
    "h": 277
  },
  "luminance": 0.02904
}

Semantic roles & 50–950 ramp

primary

#28148E

secondary

#ACC23C

accent

#F236D3

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#090311

muted

#7B7880

Preview Lab

Preview with #28148E

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

Preview Lab → · Contrast checker → · Palette generator →