#28256E#28256E

#28256E is a dark, vivid blue. Relative luminance 0.029; OKLCH L 31.8% C 0.122 H 278.7°. Best body text is #FFFFFF at 13.29:1 contrast (WCAG AA passes).

Color values

HEX	#28256E
RGB	rgb(40, 37, 110)
HSL	hsl(242, 50%, 29%)
HSV	hsv(242, 66%, 43%)
CMYK	cmyk(63.6%, 66.4%, 0%, 56.9%)
CIE-LAB	lab(19.64, 25.24, -42.03)
CIE-LCH	lch(19.64, 49.03, 300.99°)
OKLab	oklab(31.77% 0.0184 -0.121)
OKLCH	oklch(31.77% 0.122 278.7)
XYZ	xyz(4.3502, 2.8997, 15.0793)
Luminance	0.0290 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28256E #6B6E25

analogous

#25476E #28256E #4D256E

triadic

#28256E #6E2825 #256E28

tetradic

#28256E #6E2547 #6B6E25 #256E4D

square

#28256E #6E2547 #6B6E25 #256E4D

split-complementary

#28256E #6E4D25 #476E25

monochromatic

#080817 #171640 #28256E #39349C #504BC2

Accessibility & contrast

On white

13.29

#28256E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#28256E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28256E

13.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28256E	#FFFFFF	#000000	##FFFFFF
##28256E	1.00	13.29	1.58	13.29
#FFFFFF	13.29	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003270

Deuteranopia (green-blind)

#002D6D

Tritanopia (blue-blind)

#003745

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #28256e;
/* rgb */ color: rgb(40, 37, 110);
/* oklch */ color: oklch(31.8% 0.122 278.7);

Tailwind

colors: {
  custom: {
    50: '#6b6098',
    500: '#28256e',
    950: '#000000',
  },
}

SCSS

$custom: #28256e;
$custom-light: #6b6098;
$custom-dark: #000000;

JSON

{
  "hex": "#28256e",
  "rgb": {
    "r": 40,
    "g": 37,
    "b": 110
  },
  "hsl": {
    "h": 242.466,
    "s": 49.66,
    "l": 28.824
  },
  "oklch": {
    "l": 0.31766,
    "c": 0.12236,
    "h": 278.7
  },
  "luminance": 0.029
}

Semantic roles & 50–950 ramp

primary

#28256E

secondary

#9DA14E

accent

#D94FD3

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#07040E

muted

#7A797E

Preview Lab

Preview with #28256E

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

Preview Lab → · Contrast checker → · Palette generator →