#28256D#28256D

#28256D is a dark, vivid blue. Relative luminance 0.029; OKLCH L 31.7% C 0.121 H 278.8°. Best body text is #FFFFFF at 13.33:1 contrast (WCAG AA passes).

Color values

HEX	#28256D
RGB	rgb(40, 37, 109)
HSL	hsl(243, 49%, 29%)
HSV	hsv(243, 66%, 43%)
CMYK	cmyk(63.3%, 66.1%, 0%, 57.3%)
CIE-LAB	lab(19.55, 24.88, -41.53)
CIE-LCH	lch(19.55, 48.41, 300.93°)
OKLab	oklab(31.67% 0.0185 -0.1195)
OKLCH	oklch(31.67% 0.121 278.8)
XYZ	xyz(4.2961, 2.8781, 14.7942)
Luminance	0.0288 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28256D #6A6D25

analogous

#25466D #28256D #4C256D

triadic

#28256D #6D2825 #256D28

tetradic

#28256D #6D2546 #6A6D25 #256D4C

square

#28256D #6D2546 #6A6D25 #256D4C

split-complementary

#28256D #6D4C25 #466D25

monochromatic

#080817 #17153F #28256D #39359B #504BC2

Accessibility & contrast

On white

13.33

#28256D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#28256D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28256D

13.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28256D	#FFFFFF	#000000	##FFFFFF
##28256D	1.00	13.33	1.58	13.33
#FFFFFF	13.33	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00326F

Deuteranopia (green-blind)

#002C6C

Tritanopia (blue-blind)

#003745

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #28256d;
/* rgb */ color: rgb(40, 37, 109);
/* oklch */ color: oklch(31.7% 0.121 278.8);

Tailwind

colors: {
  custom: {
    50: '#6a6098',
    500: '#28256d',
    950: '#000000',
  },
}

SCSS

$custom: #28256d;
$custom-light: #6a6098;
$custom-dark: #000000;

JSON

{
  "hex": "#28256d",
  "rgb": {
    "r": 40,
    "g": 37,
    "b": 109
  },
  "hsl": {
    "h": 242.5,
    "s": 49.315,
    "l": 28.627
  },
  "oklch": {
    "l": 0.31673,
    "c": 0.12091,
    "h": 278.8
  },
  "luminance": 0.02878
}

Semantic roles & 50–950 ramp

primary

#28256D

secondary

#9DA04E

accent

#D94FD3

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#07040E

muted

#7A797E

Preview Lab

Preview with #28256D

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

Preview Lab → · Contrast checker → · Palette generator →