#28248D#28248D

#28248D is a dark, vivid blue. Relative luminance 0.036; OKLCH L 34.7% C 0.166 H 275.1°. Best body text is #FFFFFF at 12.16:1 contrast (WCAG AA passes).

Color values

HEX	#28248D
RGB	rgb(40, 36, 141)
HSL	hsl(242, 59%, 35%)
HSV	hsv(242, 74%, 55%)
CMYK	cmyk(71.6%, 74.5%, 0%, 44.7%)
CIE-LAB	lab(22.43, 36.84, -57.13)
CIE-LCH	lch(22.43, 67.98, 302.82°)
OKLab	oklab(34.7% 0.0147 -0.1651)
OKLCH	oklch(34.7% 0.166 275.1)
XYZ	xyz(6.3121, 3.6354, 25.5632)
Luminance	0.0364 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28248D #898D24

analogous

#24548D #28248D #5D248D

triadic

#28248D #8D2824 #248D28

tetradic

#28248D #8D2454 #898D24 #248D5D

square

#28248D #8D2454 #898D24 #248D5D

split-complementary

#28248D #8D5D24 #548D24

monochromatic

#0C0B2B #1A185C #28248D #3630BE #5C57D4

Accessibility & contrast

On white

12.16

#28248D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#28248D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28248D

12.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28248D	#FFFFFF	#000000	##FFFFFF
##28248D	1.00	12.16	1.73	12.16
#FFFFFF	12.16	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A90

Deuteranopia (green-blind)

#00318B

Tritanopia (blue-blind)

#004256

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #28248d;
/* rgb */ color: rgb(40, 36, 141);
/* oklch */ color: oklch(34.7% 0.166 275.1);

Tailwind

colors: {
  custom: {
    50: '#7260af',
    500: '#28248d',
    950: '#000000',
  },
}

SCSS

$custom: #28248d;
$custom-light: #7260af;
$custom-dark: #000000;

JSON

{
  "hex": "#28248d",
  "rgb": {
    "r": 40,
    "g": 36,
    "b": 141
  },
  "hsl": {
    "h": 242.286,
    "s": 59.322,
    "l": 34.706
  },
  "oklch": {
    "l": 0.34699,
    "c": 0.16581,
    "h": 275.1
  },
  "luminance": 0.03636
}

Semantic roles & 50–950 ramp

primary

#28248D

secondary

#B5B854

accent

#E345DD

background

#F7F5FA

surface

#EDE9F5

border

#C8C5CF

text

#090511

muted

#7B7980

Preview Lab

Preview with #28248D

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

Preview Lab → · Contrast checker → · Palette generator →