#28357A#28357A

#28357A is a dark, moderate blue. Relative luminance 0.044; OKLCH L 36.0% C 0.118 H 271.2°. Best body text is #FFFFFF at 11.17:1 contrast (WCAG AA passes).

Color values

HEX	#28357A
RGB	rgb(40, 53, 122)
HSL	hsl(230, 51%, 32%)
HSV	hsv(230, 67%, 48%)
CMYK	cmyk(67.2%, 56.6%, 0%, 52.2%)
CIE-LAB	lab(24.96, 18.71, -41.07)
CIE-LCH	lch(24.96, 45.13, 294.49°)
OKLab	oklab(36.02% 0.0025 -0.118)
OKLCH	oklch(36.02% 0.118 271.2)
XYZ	xyz(5.6598, 4.4020, 18.9600)
Luminance	0.0440 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28357A #7A6D28

analogous

#285E7A #28357A #44287A

triadic

#28357A #7A2835 #357A28

tetradic

#28357A #7A285E #7A6D28 #287A44

square

#28357A #7A285E #7A6D28 #287A44

split-complementary

#28357A #7A4428 #5E7A28

monochromatic

#0A0D1E #19214C #28357A #3749A8 #5567C7

Accessibility & contrast

On white

11.17

#28357A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#28357A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28357A

11.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28357A	#FFFFFF	#000000	##FFFFFF
##28357A	1.00	11.17	1.88	11.17
#FFFFFF	11.17	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#033F7C

Deuteranopia (green-blind)

#003879

Tritanopia (blue-blind)

#004552

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #28357a;
/* rgb */ color: rgb(40, 53, 122);
/* oklch */ color: oklch(36.0% 0.118 271.2);

Tailwind

colors: {
  custom: {
    50: '#6c6ca1',
    500: '#28357a',
    950: '#000000',
  },
}

SCSS

$custom: #28357a;
$custom-light: #6c6ca1;
$custom-dark: #000000;

JSON

{
  "hex": "#28357a",
  "rgb": {
    "r": 40,
    "g": 53,
    "b": 122
  },
  "hsl": {
    "h": 230.488,
    "s": 50.617,
    "l": 31.765
  },
  "oklch": {
    "l": 0.36023,
    "c": 0.11801,
    "h": 271.2
  },
  "luminance": 0.04402
}

Semantic roles & 50–950 ramp

primary

#28357A

secondary

#AC9E52

accent

#C44EDA

background

#F6F6FA

surface

#ECEBF3

border

#C7C6CD

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #28357A

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

Preview Lab → · Contrast checker → · Palette generator →