#28537D#28537D

#28537D is a dark, moderate cyan. Relative luminance 0.081; OKLCH L 43.2% C 0.085 H 249.9°. Best body text is #FFFFFF at 8.00:1 contrast (WCAG AA passes).

Color values

HEX	#28537D
RGB	rgb(40, 83, 125)
HSL	hsl(210, 52%, 32%)
HSV	hsv(210, 68%, 49%)
CMYK	cmyk(68%, 33.6%, 0%, 51%)
CIE-LAB	lab(34.23, -0.44, -28.14)
CIE-LCH	lch(34.23, 28.15, 269.11°)
OKLab	oklab(43.22% -0.0291 -0.0796)
OKLCH	oklch(43.22% 0.085 249.9)
XYZ	xyz(7.6686, 8.1175, 20.5608)
Luminance	0.0812 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28537D #7D5228

analogous

#287D7D #28537D #28297D

triadic

#28537D #7D2853 #537D28

tetradic

#28537D #7D287D #7D5228 #297D28

square

#28537D #7D287D #7D5228 #297D28

split-complementary

#28537D #7D2829 #7D7D28

monochromatic

#0A1520 #19344F #28537D #3772AB #5690C9

Accessibility & contrast

On white

8.00

#28537D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.62

#28537D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28537D

8.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28537D	#FFFFFF	#000000	##FFFFFF
##28537D	1.00	8.00	2.62	8.00
#FFFFFF	8.00	1.00	21.00	1.00
#000000	2.62	21.00	1.00	21.00
##FFFFFF	8.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#41557F

Deuteranopia (green-blind)

#354D7C

Tritanopia (blue-blind)

#005D62

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #28537d;
/* rgb */ color: rgb(40, 83, 125);
/* oklch */ color: oklch(43.2% 0.085 249.9);

Tailwind

colors: {
  custom: {
    50: '#6c83a3',
    500: '#28537d',
    950: '#000000',
  },
}

SCSS

$custom: #28537d;
$custom-light: #6c83a3;
$custom-dark: #000000;

JSON

{
  "hex": "#28537d",
  "rgb": {
    "r": 40,
    "g": 83,
    "b": 125
  },
  "hsl": {
    "h": 209.647,
    "s": 51.515,
    "l": 32.353
  },
  "oklch": {
    "l": 0.43222,
    "c": 0.08479,
    "h": 249.9
  },
  "luminance": 0.08118
}

Semantic roles & 50–950 ramp

primary

#28537D

secondary

#AE8053

accent

#934DDB

background

#F6F7FA

surface

#ECEEF3

border

#C7C9CD

text

#070A0F

muted

#7A7C7F

Preview Lab

Preview with #28537D

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

Preview Lab → · Contrast checker → · Palette generator →