#28256C#28256C

#28256C is a dark, moderate blue. Relative luminance 0.029; OKLCH L 31.6% C 0.119 H 278.9°. Best body text is #FFFFFF at 13.36:1 contrast (WCAG AA passes).

Color values

HEX	#28256C
RGB	rgb(40, 37, 108)
HSL	hsl(243, 49%, 28%)
HSV	hsv(243, 66%, 42%)
CMYK	cmyk(63%, 65.7%, 0%, 57.6%)
CIE-LAB	lab(19.46, 24.52, -41.02)
CIE-LCH	lch(19.46, 47.79, 300.86°)
OKLab	oklab(31.58% 0.0186 -0.118)
OKLCH	oklch(31.58% 0.119 278.9)
XYZ	xyz(4.2426, 2.8567, 14.5123)
Luminance	0.0286 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28256C #696C25

analogous

#25456C #28256C #4B256C

triadic

#28256C #6C2825 #256C28

tetradic

#28256C #6C2545 #696C25 #256C4B

square

#28256C #6C2545 #696C25 #256C4B

split-complementary

#28256C #6C4B25 #456C25

monochromatic

#080817 #17153E #28256C #39359A #4F4AC1

Accessibility & contrast

On white

13.36

#28256C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#28256C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28256C

13.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28256C	#FFFFFF	#000000	##FFFFFF
##28256C	1.00	13.36	1.57	13.36
#FFFFFF	13.36	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00326E

Deuteranopia (green-blind)

#002C6B

Tritanopia (blue-blind)

#003744

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #28256c;
/* rgb */ color: rgb(40, 37, 108);
/* oklch */ color: oklch(31.6% 0.119 278.9);

Tailwind

colors: {
  custom: {
    50: '#6a6097',
    500: '#28256c',
    950: '#000000',
  },
}

SCSS

$custom: #28256c;
$custom-light: #6a6097;
$custom-dark: #000000;

JSON

{
  "hex": "#28256c",
  "rgb": {
    "r": 40,
    "g": 37,
    "b": 108
  },
  "hsl": {
    "h": 242.535,
    "s": 48.966,
    "l": 28.431
  },
  "oklch": {
    "l": 0.31581,
    "c": 0.11946,
    "h": 278.9
  },
  "luminance": 0.02857
}

Semantic roles & 50–950 ramp

primary

#28256C

secondary

#9C9F4E

accent

#D94FD3

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#07040D

muted

#7A797E

Preview Lab

Preview with #28256C

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

Preview Lab → · Contrast checker → · Palette generator →