#28538E#28538E

#28538E is a dark, moderate cyan. Relative luminance 0.086; OKLCH L 44.3% C 0.109 H 256.9°. Best body text is #FFFFFF at 7.73:1 contrast (WCAG AA passes).

Color values

HEX	#28538E
RGB	rgb(40, 83, 142)
HSL	hsl(215, 56%, 36%)
HSV	hsv(215, 72%, 56%)
CMYK	cmyk(71.8%, 41.5%, 0%, 44.3%)
CIE-LAB	lab(35.18, 6.00, -37.06)
CIE-LCH	lch(35.18, 37.54, 279.20°)
OKLab	oklab(44.28% -0.0245 -0.1057)
OKLCH	oklch(44.28% 0.109 256.9)
XYZ	xyz(8.8490, 8.5897, 26.7776)
Luminance	0.0859 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28538E #8E6328

analogous

#28868E #28538E #30288E

triadic

#28538E #8E2853 #538E28

tetradic

#28538E #8E2886 #8E6328 #288E30

square

#28538E #8E2886 #8E6328 #288E30

split-complementary

#28538E #8E3028 #868E28

monochromatic

#0D1B2F #1B375E #28538E #356FBE #5F8FD2

Accessibility & contrast

On white

7.73

#28538E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#28538E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28538E

7.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28538E	#FFFFFF	#000000	##FFFFFF
##28538E	1.00	7.73	2.72	7.73
#FFFFFF	7.73	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#375890

Deuteranopia (green-blind)

#274E8D

Tritanopia (blue-blind)

#006169

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #28538e;
/* rgb */ color: rgb(40, 83, 142);
/* oklch */ color: oklch(44.3% 0.109 256.9);

Tailwind

colors: {
  custom: {
    50: '#6f82af',
    500: '#28538e',
    950: '#000000',
  },
}

SCSS

$custom: #28538e;
$custom-light: #6f82af;
$custom-dark: #000000;

JSON

{
  "hex": "#28538e",
  "rgb": {
    "r": 40,
    "g": 83,
    "b": 142
  },
  "hsl": {
    "h": 214.706,
    "s": 56.044,
    "l": 35.686
  },
  "oklch": {
    "l": 0.4428,
    "c": 0.10852,
    "h": 256.9
  },
  "luminance": 0.08591
}

Semantic roles & 50–950 ramp

primary

#28538E

secondary

#B7905B

accent

#A048DF

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#080A10

muted

#7B7C7F

Preview Lab

Preview with #28538E

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

Preview Lab → · Contrast checker → · Palette generator →