#28236E#28236E

#28236E is a dark, vivid blue. Relative luminance 0.028; OKLCH L 31.4% C 0.125 H 279.4°. Best body text is #FFFFFF at 13.50:1 contrast (WCAG AA passes).

Color values

HEX	#28236E
RGB	rgb(40, 35, 110)
HSL	hsl(244, 52%, 28%)
HSV	hsv(244, 68%, 43%)
CMYK	cmyk(63.6%, 68.2%, 0%, 56.9%)
CIE-LAB	lab(19.13, 26.58, -42.85)
CIE-LCH	lch(19.13, 50.42, 301.81°)
OKLab	oklab(31.4% 0.0203 -0.1234)
OKLCH	oklch(31.4% 0.125 279.4)
XYZ	xyz(4.2897, 2.7787, 15.0591)
Luminance	0.0278 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28236E #696E23

analogous

#23436E #28236E #4D236E

triadic

#28236E #6E2823 #236E28

tetradic

#28236E #6E2343 #696E23 #236E4D

square

#28236E #6E2343 #696E23 #236E4D

split-complementary

#28236E #6E4D23 #436E23

monochromatic

#080717 #171440 #28236E #39329C #4F47C4

Accessibility & contrast

On white

13.50

#28236E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#28236E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28236E

13.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28236E	#FFFFFF	#000000	##FFFFFF
##28236E	1.00	13.50	1.56	13.50
#FFFFFF	13.50	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003170

Deuteranopia (green-blind)

#002B6D

Tritanopia (blue-blind)

#003645

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #28236e;
/* rgb */ color: rgb(40, 35, 110);
/* oklch */ color: oklch(31.4% 0.125 279.4);

Tailwind

colors: {
  custom: {
    50: '#6b5e98',
    500: '#28236e',
    950: '#000000',
  },
}

SCSS

$custom: #28236e;
$custom-light: #6b5e98;
$custom-dark: #000000;

JSON

{
  "hex": "#28236e",
  "rgb": {
    "r": 40,
    "g": 35,
    "b": 110
  },
  "hsl": {
    "h": 244,
    "s": 51.724,
    "l": 28.431
  },
  "oklch": {
    "l": 0.31399,
    "c": 0.12506,
    "h": 279.4
  },
  "luminance": 0.02779
}

Semantic roles & 50–950 ramp

primary

#28236E

secondary

#9CA14C

accent

#DB4DD2

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#07040E

muted

#7A797E

Preview Lab

Preview with #28236E

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

Preview Lab → · Contrast checker → · Palette generator →