#28247D#28247D

#28247D is a dark, vivid blue. Relative luminance 0.032; OKLCH L 33.0% C 0.145 H 276.9°. Best body text is #FFFFFF at 12.81:1 contrast (WCAG AA passes).

Color values

HEX	#28247D
RGB	rgb(40, 36, 125)
HSL	hsl(243, 55%, 32%)
HSV	hsv(243, 71%, 49%)
CMYK	cmyk(68%, 71.2%, 0%, 51%)
CIE-LAB	lab(20.80, 31.26, -49.74)
CIE-LCH	lch(20.80, 58.75, 302.15°)
OKLab	oklab(33.04% 0.0175 -0.1436)
OKLCH	oklch(33.04% 0.145 276.9)
XYZ	xyz(5.2064, 3.1931, 19.7400)
Luminance	0.0319 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28247D #797D24

analogous

#244D7D #28247D #55247D

triadic

#28247D #7D2824 #247D28

tetradic

#28247D #7D244D #797D24 #247D55

square

#28247D #7D244D #797D24 #247D55

split-complementary

#28247D #7D5524 #4D7D24

monochromatic

#0A091E #19164D #28247D #3732AD #554FCC

Accessibility & contrast

On white

12.81

#28247D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#28247D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28247D

12.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28247D	#FFFFFF	#000000	##FFFFFF
##28247D	1.00	12.81	1.64	12.81
#FFFFFF	12.81	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003680

Deuteranopia (green-blind)

#002E7B

Tritanopia (blue-blind)

#003C4D

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #28247d;
/* rgb */ color: rgb(40, 36, 125);
/* oklch */ color: oklch(33.0% 0.145 276.9);

Tailwind

colors: {
  custom: {
    50: '#6e5fa4',
    500: '#28247d',
    950: '#000000',
  },
}

SCSS

$custom: #28247d;
$custom-light: #6e5fa4;
$custom-dark: #000000;

JSON

{
  "hex": "#28247d",
  "rgb": {
    "r": 40,
    "g": 36,
    "b": 125
  },
  "hsl": {
    "h": 242.697,
    "s": 55.28,
    "l": 31.569
  },
  "oklch": {
    "l": 0.33043,
    "c": 0.14465,
    "h": 276.9
  },
  "luminance": 0.03194
}

Semantic roles & 50–950 ramp

primary

#28247D

secondary

#ABAF4D

accent

#DF49D8

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08040F

muted

#7B797F

Preview Lab

Preview with #28247D

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

Preview Lab → · Contrast checker → · Palette generator →