#28507E#28507E

#28507E is a dark, moderate cyan. Relative luminance 0.077; OKLCH L 42.5% C 0.089 H 253.4°. Best body text is #FFFFFF at 8.27:1 contrast (WCAG AA passes).

Color values

HEX	#28507E
RGB	rgb(40, 80, 126)
HSL	hsl(212, 52%, 33%)
HSV	hsv(212, 68%, 49%)
CMYK	cmyk(68.3%, 36.5%, 0%, 50.6%)
CIE-LAB	lab(33.34, 1.88, -30.17)
CIE-LCH	lch(33.34, 30.22, 273.56°)
OKLab	oklab(42.54% -0.0255 -0.0856)
OKLCH	oklch(42.54% 0.089 253.4)
XYZ	xyz(7.5083, 7.6940, 20.8240)
Luminance	0.0770 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28507E #7E5628

analogous

#287B7E #28507E #2B287E

triadic

#28507E #7E2850 #507E28

tetradic

#28507E #7E287B #7E5628 #287E2B

square

#28507E #7E287B #7E5628 #287E2B

split-complementary

#28507E #7E2B28 #7B7E28

monochromatic

#0B1521 #193350 #28507E #376DAC #578CCA

Accessibility & contrast

On white

8.27

#28507E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#28507E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28507E

8.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28507E	#FFFFFF	#000000	##FFFFFF
##28507E	1.00	8.27	2.54	8.27
#FFFFFF	8.27	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C5380

Deuteranopia (green-blind)

#304B7D

Tritanopia (blue-blind)

#005B61

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #28507e;
/* rgb */ color: rgb(40, 80, 126);
/* oklch */ color: oklch(42.5% 0.089 253.4);

Tailwind

colors: {
  custom: {
    50: '#6c80a3',
    500: '#28507e',
    950: '#000000',
  },
}

SCSS

$custom: #28507e;
$custom-light: #6c80a3;
$custom-dark: #000000;

JSON

{
  "hex": "#28507e",
  "rgb": {
    "r": 40,
    "g": 80,
    "b": 126
  },
  "hsl": {
    "h": 212.093,
    "s": 51.807,
    "l": 32.549
  },
  "oklch": {
    "l": 0.42543,
    "c": 0.08928,
    "h": 253.4
  },
  "luminance": 0.07695
}

Semantic roles & 50–950 ramp

primary

#28507E

secondary

#AF8453

accent

#994DDB

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#070A0F

muted

#7A7C7F

Preview Lab

Preview with #28507E

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

Preview Lab → · Contrast checker → · Palette generator →