#28248B#28248B

#28248B is a dark, vivid blue. Relative luminance 0.036; OKLCH L 34.5% C 0.163 H 275.3°. Best body text is #FFFFFF at 12.24:1 contrast (WCAG AA passes).

Color values

HEX	#28248B
RGB	rgb(40, 36, 139)
HSL	hsl(242, 59%, 34%)
HSV	hsv(242, 74%, 55%)
CMYK	cmyk(71.2%, 74.1%, 0%, 45.5%)
CIE-LAB	lab(22.22, 36.16, -56.22)
CIE-LCH	lch(22.22, 66.85, 302.74°)
OKLab	oklab(34.49% 0.0151 -0.1625)
OKLCH	oklch(34.49% 0.163 275.3)
XYZ	xyz(6.1646, 3.5764, 24.7865)
Luminance	0.0358 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28248B #878B24

analogous

#24548B #28248B #5C248B

triadic

#28248B #8B2824 #248B28

tetradic

#28248B #8B2454 #878B24 #248B5C

square

#28248B #8B2454 #878B24 #248B5C

split-complementary

#28248B #8B5C24 #548B24

monochromatic

#0C0B2A #1A175A #28248B #3631BC #5B56D3

Accessibility & contrast

On white

12.24

#28248B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#28248B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28248B

12.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28248B	#FFFFFF	#000000	##FFFFFF
##28248B	1.00	12.24	1.72	12.24
#FFFFFF	12.24	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A8E

Deuteranopia (green-blind)

#003089

Tritanopia (blue-blind)

#004155

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #28248b;
/* rgb */ color: rgb(40, 36, 139);
/* oklch */ color: oklch(34.5% 0.163 275.3);

Tailwind

colors: {
  custom: {
    50: '#7160ae',
    500: '#28248b',
    950: '#000000',
  },
}

SCSS

$custom: #28248b;
$custom-light: #7160ae;
$custom-dark: #000000;

JSON

{
  "hex": "#28248b",
  "rgb": {
    "r": 40,
    "g": 36,
    "b": 139
  },
  "hsl": {
    "h": 242.33,
    "s": 58.857,
    "l": 34.314
  },
  "oklch": {
    "l": 0.34487,
    "c": 0.16322,
    "h": 275.3
  },
  "luminance": 0.03577
}

Semantic roles & 50–950 ramp

primary

#28248B

secondary

#B4B753

accent

#E246DC

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090510

muted

#7B797F

Preview Lab

Preview with #28248B

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

Preview Lab → · Contrast checker → · Palette generator →