#28356D#28356D

#28356D is a dark, moderate blue. Relative luminance 0.041; OKLCH L 35.0% C 0.098 H 270.8°. Best body text is #FFFFFF at 11.54:1 contrast (WCAG AA passes).

Color values

HEX	#28356D
RGB	rgb(40, 53, 109)
HSL	hsl(229, 46%, 29%)
HSV	hsv(229, 63%, 43%)
CMYK	cmyk(63.3%, 51.4%, 0%, 57.3%)
CIE-LAB	lab(24.00, 13.76, -34.32)
CIE-LCH	lch(24.00, 36.97, 291.85°)
OKLab	oklab(35% 0.0013 -0.0981)
OKLCH	oklch(35% 0.098 270.8)
XYZ	xyz(4.9076, 4.1011, 14.9980)
Luminance	0.0410 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28356D #6D6028

analogous

#28586D #28356D #3E286D

triadic

#28356D #6D2835 #356D28

tetradic

#28356D #6D2858 #6D6028 #286D3E

square

#28356D #6D2858 #6D6028 #286D3E

split-complementary

#28356D #6D3E28 #586D28

monochromatic

#080B16 #181F40 #28356D #384B9A #5065BF

Accessibility & contrast

On white

11.54

#28356D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#28356D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28356D

11.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28356D	#FFFFFF	#000000	##FFFFFF
##28356D	1.00	11.54	1.82	11.54
#FFFFFF	11.54	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#183C6F

Deuteranopia (green-blind)

#0C366C

Tritanopia (blue-blind)

#00424B

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #28356d;
/* rgb */ color: rgb(40, 53, 109);
/* oklch */ color: oklch(35.0% 0.098 270.8);

Tailwind

colors: {
  custom: {
    50: '#696b97',
    500: '#28356d',
    950: '#000000',
  },
}

SCSS

$custom: #28356d;
$custom-light: #696b97;
$custom-dark: #000000;

JSON

{
  "hex": "#28356d",
  "rgb": {
    "r": 40,
    "g": 53,
    "b": 109
  },
  "hsl": {
    "h": 228.696,
    "s": 46.309,
    "l": 29.216
  },
  "oklch": {
    "l": 0.34996,
    "c": 0.09814,
    "h": 270.8
  },
  "luminance": 0.04101
}

Semantic roles & 50–950 ramp

primary

#28356D

secondary

#9F9151

accent

#BD52D6

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#07060D

muted

#7A7A7E

Preview Lab

Preview with #28356D

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

Preview Lab → · Contrast checker → · Palette generator →