#28356F#28356F

#28356F is a dark, moderate blue. Relative luminance 0.041; OKLCH L 35.1% C 0.101 H 270.9°. Best body text is #FFFFFF at 11.48:1 contrast (WCAG AA passes).

Color values

HEX	#28356F
RGB	rgb(40, 53, 111)
HSL	hsl(229, 47%, 30%)
HSV	hsv(229, 64%, 44%)
CMYK	cmyk(64%, 52.3%, 0%, 56.5%)
CIE-LAB	lab(24.14, 14.52, -35.38)
CIE-LCH	lch(24.14, 38.24, 292.31°)
OKLab	oklab(35.15% 0.0015 -0.1012)
OKLCH	oklch(35.15% 0.101 270.9)
XYZ	xyz(5.0165, 4.1446, 15.5715)
Luminance	0.0415 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28356F #6F6228

analogous

#28596F #28356F #3F286F

triadic

#28356F #6F2835 #356F28

tetradic

#28356F #6F2859 #6F6228 #286F3F

square

#28356F #6F2859 #6F6228 #286F3F

split-complementary

#28356F #6F3F28 #596F28

monochromatic

#080B16 #182042 #28356F #384A9C #5165C0

Accessibility & contrast

On white

11.48

#28356F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#28356F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28356F

11.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28356F	#FFFFFF	#000000	##FFFFFF
##28356F	1.00	11.48	1.83	11.48
#FFFFFF	11.48	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#163D71

Deuteranopia (green-blind)

#07366E

Tritanopia (blue-blind)

#00424C

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #28356f;
/* rgb */ color: rgb(40, 53, 111);
/* oklch */ color: oklch(35.1% 0.101 270.9);

Tailwind

colors: {
  custom: {
    50: '#6a6b99',
    500: '#28356f',
    950: '#000000',
  },
}

SCSS

$custom: #28356f;
$custom-light: #6a6b99;
$custom-dark: #000000;

JSON

{
  "hex": "#28356f",
  "rgb": {
    "r": 40,
    "g": 53,
    "b": 111
  },
  "hsl": {
    "h": 229.014,
    "s": 47.02,
    "l": 29.608
  },
  "oklch": {
    "l": 0.35149,
    "c": 0.10124,
    "h": 270.9
  },
  "luminance": 0.04145
}

Semantic roles & 50–950 ramp

primary

#28356F

secondary

#A19351

accent

#BE51D7

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#07060E

muted

#7A7A7E

Preview Lab

Preview with #28356F

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

Preview Lab → · Contrast checker → · Palette generator →