#28518A#28518A

#28518A is a dark, moderate cyan. Relative luminance 0.082; OKLCH L 43.5% C 0.105 H 257.1°. Best body text is #FFFFFF at 7.97:1 contrast (WCAG AA passes).

Color values

HEX	#28518A
RGB	rgb(40, 81, 138)
HSL	hsl(215, 55%, 35%)
HSV	hsv(215, 71%, 54%)
CMYK	cmyk(71%, 41.3%, 0%, 45.9%)
CIE-LAB	lab(34.33, 5.78, -35.97)
CIE-LCH	lch(34.33, 36.43, 279.14°)
OKLab	oklab(43.54% -0.0234 -0.1025)
OKLCH	oklch(43.54% 0.105 257.1)
XYZ	xyz(8.4033, 8.1701, 25.1739)
Luminance	0.0817 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28518A #8A6128

analogous

#28828A #28518A #30288A

triadic

#28518A #8A2851 #518A28

tetradic

#28518A #8A2882 #8A6128 #288A30

square

#28518A #8A2882 #8A6128 #288A30

split-complementary

#28518A #8A3028 #828A28

monochromatic

#0C192B #1A355B #28518A #366DB9 #5D8DD0

Accessibility & contrast

On white

7.97

#28518A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.63

#28518A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28518A

7.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28518A	#FFFFFF	#000000	##FFFFFF
##28518A	1.00	7.97	2.63	7.97
#FFFFFF	7.97	1.00	21.00	1.00
#000000	2.63	21.00	1.00	21.00
##FFFFFF	7.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#37568C

Deuteranopia (green-blind)

#274D89

Tritanopia (blue-blind)

#005E66

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #28518a;
/* rgb */ color: rgb(40, 81, 138);
/* oklch */ color: oklch(43.5% 0.105 257.1);

Tailwind

colors: {
  custom: {
    50: '#6e81ac',
    500: '#28518a',
    950: '#000000',
  },
}

SCSS

$custom: #28518a;
$custom-light: #6e81ac;
$custom-dark: #000000;

JSON

{
  "hex": "#28518a",
  "rgb": {
    "r": 40,
    "g": 81,
    "b": 138
  },
  "hsl": {
    "h": 214.898,
    "s": 55.056,
    "l": 34.902
  },
  "oklch": {
    "l": 0.43544,
    "c": 0.10518,
    "h": 257.1
  },
  "luminance": 0.08171
}

Semantic roles & 50–950 ramp

primary

#28518A

secondary

#B58E59

accent

#A049DE

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#080A10

muted

#7B7C7F

Preview Lab

Preview with #28518A

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

Preview Lab → · Contrast checker → · Palette generator →