#28517E#28517E

#28517E is a dark, moderate cyan. Relative luminance 0.078; OKLCH L 42.8% C 0.088 H 252.5°. Best body text is #FFFFFF at 8.18:1 contrast (WCAG AA passes).

Color values

HEX	#28517E
RGB	rgb(40, 81, 126)
HSL	hsl(211, 52%, 33%)
HSV	hsv(211, 68%, 49%)
CMYK	cmyk(68.3%, 35.7%, 0%, 50.6%)
CIE-LAB	lab(33.65, 1.23, -29.67)
CIE-LCH	lch(33.65, 29.70, 272.37°)
OKLab	oklab(42.79% -0.0266 -0.0841)
OKLCH	oklch(42.79% 0.088 252.5)
XYZ	xyz(7.5820, 7.8416, 20.8486)
Luminance	0.0784 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28517E #7E5528

analogous

#287C7E #28517E #2A287E

triadic

#28517E #7E2851 #517E28

tetradic

#28517E #7E287C #7E5528 #287E2A

square

#28517E #7E287C #7E5528 #287E2A

split-complementary

#28517E #7E2A28 #7C7E28

monochromatic

#0B1521 #193350 #28517E #376FAC #578ECA

Accessibility & contrast

On white

8.18

#28517E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#28517E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28517E

8.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28517E	#FFFFFF	#000000	##FFFFFF
##28517E	1.00	8.18	2.57	8.18
#FFFFFF	8.18	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D5480

Deuteranopia (green-blind)

#314B7D

Tritanopia (blue-blind)

#005B61

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #28517e;
/* rgb */ color: rgb(40, 81, 126);
/* oklch */ color: oklch(42.8% 0.088 252.5);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#28517e",
  "rgb": {
    "r": 40,
    "g": 81,
    "b": 126
  },
  "hsl": {
    "h": 211.395,
    "s": 51.807,
    "l": 32.549
  },
  "oklch": {
    "l": 0.42788,
    "c": 0.08821,
    "h": 252.5
  },
  "luminance": 0.07842
}

Semantic roles & 50–950 ramp

primary

#28517E

secondary

#AF8353

accent

#974DDB

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#070A0F

muted

#7A7C7F

Preview Lab

Preview with #28517E

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

Preview Lab → · Contrast checker → · Palette generator →