#28356E#28356E

#28356E is a dark, moderate blue. Relative luminance 0.041; OKLCH L 35.1% C 0.100 H 270.8°. Best body text is #FFFFFF at 11.51:1 contrast (WCAG AA passes).

Color values

HEX	#28356E
RGB	rgb(40, 53, 110)
HSL	hsl(229, 47%, 29%)
HSV	hsv(229, 64%, 43%)
CMYK	cmyk(63.6%, 51.8%, 0%, 56.9%)
CIE-LAB	lab(24.07, 14.14, -34.85)
CIE-LCH	lch(24.07, 37.61, 292.08°)
OKLab	oklab(35.07% 0.0014 -0.0997)
OKLCH	oklch(35.07% 0.1 270.8)
XYZ	xyz(4.9617, 4.1227, 15.2831)
Luminance	0.0412 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28356E #6E6128

analogous

#28586E #28356E #3E286E

triadic

#28356E #6E2835 #356E28

tetradic

#28356E #6E2858 #6E6128 #286E3E

square

#28356E #6E2858 #6E6128 #286E3E

split-complementary

#28356E #6E3E28 #586E28

monochromatic

#080B16 #181F41 #28356E #384B9B #5165C0

Accessibility & contrast

On white

11.51

#28356E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#28356E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28356E

11.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28356E	#FFFFFF	#000000	##FFFFFF
##28356E	1.00	11.51	1.82	11.51
#FFFFFF	11.51	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#173C70

Deuteranopia (green-blind)

#0A366D

Tritanopia (blue-blind)

#00424C

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #28356e;
/* rgb */ color: rgb(40, 53, 110);
/* oklch */ color: oklch(35.1% 0.100 270.8);

Tailwind

colors: {
  custom: {
    50: '#696b98',
    500: '#28356e',
    950: '#000000',
  },
}

SCSS

$custom: #28356e;
$custom-light: #696b98;
$custom-dark: #000000;

JSON

{
  "hex": "#28356e",
  "rgb": {
    "r": 40,
    "g": 53,
    "b": 110
  },
  "hsl": {
    "h": 228.857,
    "s": 46.667,
    "l": 29.412
  },
  "oklch": {
    "l": 0.35072,
    "c": 0.09969,
    "h": 270.8
  },
  "luminance": 0.04123
}

Semantic roles & 50–950 ramp

primary

#28356E

secondary

#A09251

accent

#BE51D6

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#07060E

muted

#7A7A7E

Preview Lab

Preview with #28356E

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

Preview Lab → · Contrast checker → · Palette generator →