#28558C#28558C

#28558C is a dark, moderate cyan. Relative luminance 0.088; OKLCH L 44.6% C 0.103 H 254.8°. Best body text is #FFFFFF at 7.59:1 contrast (WCAG AA passes).

Color values

HEX	#28558C
RGB	rgb(40, 85, 140)
HSL	hsl(213, 56%, 35%)
HSV	hsv(213, 71%, 55%)
CMYK	cmyk(71.4%, 39.3%, 0%, 45.1%)
CIE-LAB	lab(35.68, 3.93, -35.06)
CIE-LCH	lch(35.68, 35.28, 276.40°)
OKLab	oklab(44.63% -0.027 -0.0998)
OKLCH	oklch(44.63% 0.103 254.8)
XYZ	xyz(8.8555, 8.8406, 26.0456)
Luminance	0.0884 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28558C #8C5F28

analogous

#28878C #28558C #2D288C

triadic

#28558C #8C2855 #558C28

tetradic

#28558C #8C2887 #8C5F28 #288C2D

square

#28558C #8C2887 #8C5F28 #288C2D

split-complementary

#28558C #8C2D28 #878C28

monochromatic

#0D1B2D #1A385C #28558C #3672BC #5E91D1

Accessibility & contrast

On white

7.59

#28558C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.77

#28558C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28558C

7.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28558C	#FFFFFF	#000000	##FFFFFF
##28558C	1.00	7.59	2.77	7.59
#FFFFFF	7.59	1.00	21.00	1.00
#000000	2.77	21.00	1.00	21.00
##FFFFFF	7.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C598E

Deuteranopia (green-blind)

#2D508B

Tritanopia (blue-blind)

#006269

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #28558c;
/* rgb */ color: rgb(40, 85, 140);
/* oklch */ color: oklch(44.6% 0.103 254.8);

Tailwind

colors: {
  custom: {
    50: '#6f84ae',
    500: '#28558c',
    950: '#000000',
  },
}

SCSS

$custom: #28558c;
$custom-light: #6f84ae;
$custom-dark: #000000;

JSON

{
  "hex": "#28558c",
  "rgb": {
    "r": 40,
    "g": 85,
    "b": 140
  },
  "hsl": {
    "h": 213,
    "s": 55.556,
    "l": 35.294
  },
  "oklch": {
    "l": 0.44626,
    "c": 0.10341,
    "h": 254.8
  },
  "luminance": 0.08842
}

Semantic roles & 50–950 ramp

primary

#28558C

secondary

#B68D5A

accent

#9B49DF

background

#F7F8FA

surface

#EDEFF4

border

#C8CACE

text

#080A10

muted

#7B7C7F

Preview Lab

Preview with #28558C

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

Preview Lab → · Contrast checker → · Palette generator →