#28538C#28538C

#28538C is a dark, moderate cyan. Relative luminance 0.085; OKLCH L 44.1% C 0.106 H 256.3°. Best body text is #FFFFFF at 7.76:1 contrast (WCAG AA passes).

Color values

HEX	#28538C
RGB	rgb(40, 83, 140)
HSL	hsl(214, 56%, 35%)
HSV	hsv(214, 71%, 55%)
CMYK	cmyk(71.4%, 40.7%, 0%, 45.1%)
CIE-LAB	lab(35.06, 5.24, -36.03)
CIE-LCH	lch(35.06, 36.41, 278.27°)
OKLab	oklab(44.15% -0.025 -0.1027)
OKLCH	oklch(44.15% 0.106 256.3)
XYZ	xyz(8.7002, 8.5302, 25.9938)
Luminance	0.0853 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28538C #8C6128

analogous

#28858C #28538C #2F288C

triadic

#28538C #8C2853 #538C28

tetradic

#28538C #8C2885 #8C6128 #288C2F

square

#28538C #8C2885 #8C6128 #288C2F

split-complementary

#28538C #8C2F28 #858C28

monochromatic

#0D1B2D #1A375C #28538C #366FBC #5E8FD1

Accessibility & contrast

On white

7.76

#28538C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.71

#28538C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28538C

7.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28538C	#FFFFFF	#000000	##FFFFFF
##28538C	1.00	7.76	2.71	7.76
#FFFFFF	7.76	1.00	21.00	1.00
#000000	2.71	21.00	1.00	21.00
##FFFFFF	7.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#39588E

Deuteranopia (green-blind)

#294E8B

Tritanopia (blue-blind)

#006068

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #28538c;
/* rgb */ color: rgb(40, 83, 140);
/* oklch */ color: oklch(44.1% 0.106 256.3);

Tailwind

colors: {
  custom: {
    50: '#6f82ae',
    500: '#28538c',
    950: '#000000',
  },
}

SCSS

$custom: #28538c;
$custom-light: #6f82ae;
$custom-dark: #000000;

JSON

{
  "hex": "#28538c",
  "rgb": {
    "r": 40,
    "g": 83,
    "b": 140
  },
  "hsl": {
    "h": 214.2,
    "s": 55.556,
    "l": 35.294
  },
  "oklch": {
    "l": 0.44149,
    "c": 0.10569,
    "h": 256.3
  },
  "luminance": 0.08531
}

Semantic roles & 50–950 ramp

primary

#28538C

secondary

#B68E5A

accent

#9E49DF

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#080A10

muted

#7B7C7F

Preview Lab

Preview with #28538C

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

Preview Lab → · Contrast checker → · Palette generator →