#28517D#28517D

#28517D is a dark, moderate cyan. Relative luminance 0.078; OKLCH L 42.7% C 0.087 H 252.0°. Best body text is #FFFFFF at 8.19:1 contrast (WCAG AA passes).

Color values

HEX	#28517D
RGB	rgb(40, 81, 125)
HSL	hsl(211, 52%, 32%)
HSV	hsv(211, 68%, 49%)
CMYK	cmyk(68%, 35.2%, 0%, 51%)
CIE-LAB	lab(33.60, 0.85, -29.14)
CIE-LCH	lch(33.60, 29.15, 271.67°)
OKLab	oklab(42.73% -0.0269 -0.0826)
OKLCH	oklch(42.73% 0.087 252)
XYZ	xyz(7.5178, 7.8159, 20.5105)
Luminance	0.0782 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28517D #7D5428

analogous

#287B7D #28517D #2A287D

triadic

#28517D #7D2851 #517D28

tetradic

#28517D #7D287B #7D5428 #287D2A

square

#28517D #7D287B #7D5428 #287D2A

split-complementary

#28517D #7D2A28 #7B7D28

monochromatic

#0A1520 #19334F #28517D #376FAB #568EC9

Accessibility & contrast

On white

8.19

#28517D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#28517D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28517D

8.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28517D	#FFFFFF	#000000	##FFFFFF
##28517D	1.00	8.19	2.56	8.19
#FFFFFF	8.19	1.00	21.00	1.00
#000000	2.56	21.00	1.00	21.00
##FFFFFF	8.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E537F

Deuteranopia (green-blind)

#324B7C

Tritanopia (blue-blind)

#005B61

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #28517d;
/* rgb */ color: rgb(40, 81, 125);
/* oklch */ color: oklch(42.7% 0.087 252.0);

Tailwind

colors: {
  custom: {
    50: '#6c81a3',
    500: '#28517d',
    950: '#000000',
  },
}

SCSS

$custom: #28517d;
$custom-light: #6c81a3;
$custom-dark: #000000;

JSON

{
  "hex": "#28517d",
  "rgb": {
    "r": 40,
    "g": 81,
    "b": 125
  },
  "hsl": {
    "h": 211.059,
    "s": 51.515,
    "l": 32.353
  },
  "oklch": {
    "l": 0.42727,
    "c": 0.08683,
    "h": 252
  },
  "luminance": 0.07817
}

Semantic roles & 50–950 ramp

primary

#28517D

secondary

#AE8253

accent

#964DDB

background

#F6F7FA

surface

#ECEEF3

border

#C7C9CD

text

#070A0F

muted

#7A7C7F

Preview Lab

Preview with #28517D

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

Preview Lab → · Contrast checker → · Palette generator →