#28327B#28327B

#28327B is a dark, vivid blue. Relative luminance 0.042; OKLCH L 35.5% C 0.124 H 272.5°. Best body text is #FFFFFF at 11.46:1 contrast (WCAG AA passes).

Color values

HEX	#28327B
RGB	rgb(40, 50, 123)
HSL	hsl(233, 51%, 32%)
HSV	hsv(233, 67%, 48%)
CMYK	cmyk(67.5%, 59.3%, 0%, 51.8%)
CIE-LAB	lab(24.20, 21.17, -42.93)
CIE-LCH	lch(24.20, 47.86, 296.24°)
OKLab	oklab(35.48% 0.0055 -0.1235)
OKLCH	oklch(35.48% 0.124 272.5)
XYZ	xyz(5.5896, 4.1619, 19.2438)
Luminance	0.0416 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28327B #7B7128

analogous

#285C7B #28327B #48287B

triadic

#28327B #7B2832 #327B28

tetradic

#28327B #7B285C #7B7128 #287B48

square

#28327B #7B285C #7B7128 #287B48

split-complementary

#28327B #7B4828 #5C7B28

monochromatic

#0A0C1F #191F4D #28327B #3745A9 #5663C8

Accessibility & contrast

On white

11.46

#28327B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#28327B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28327B

11.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28327B	#FFFFFF	#000000	##FFFFFF
##28327B	1.00	11.46	1.83	11.46
#FFFFFF	11.46	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D7D

Deuteranopia (green-blind)

#00367A

Tritanopia (blue-blind)

#004451

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #28327b;
/* rgb */ color: rgb(40, 50, 123);
/* oklch */ color: oklch(35.5% 0.124 272.5);

Tailwind

colors: {
  custom: {
    50: '#6c69a2',
    500: '#28327b',
    950: '#000000',
  },
}

SCSS

$custom: #28327b;
$custom-light: #6c69a2;
$custom-dark: #000000;

JSON

{
  "hex": "#28327b",
  "rgb": {
    "r": 40,
    "g": 50,
    "b": 123
  },
  "hsl": {
    "h": 232.771,
    "s": 50.92,
    "l": 31.961
  },
  "oklch": {
    "l": 0.3548,
    "c": 0.12361,
    "h": 272.5
  },
  "luminance": 0.04162
}

Semantic roles & 50–950 ramp

primary

#28327B

secondary

#ADA252

accent

#C94DDA

background

#F6F6FA

surface

#ECEBF3

border

#C7C6CD

text

#08060F

muted

#7A7A7F

Preview Lab

Preview with #28327B

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

Preview Lab → · Contrast checker → · Palette generator →