#28558F#28558F

#28558F is a dark, moderate cyan. Relative luminance 0.089; OKLCH L 44.8% C 0.108 H 255.9°. Best body text is #FFFFFF at 7.54:1 contrast (WCAG AA passes).

Color values

HEX	#28558F
RGB	rgb(40, 85, 143)
HSL	hsl(214, 56%, 36%)
HSV	hsv(214, 72%, 56%)
CMYK	cmyk(72%, 40.6%, 0%, 43.9%)
CIE-LAB	lab(35.85, 5.08, -36.60)
CIE-LCH	lch(35.85, 36.96, 277.90°)
OKLab	oklab(44.82% -0.0263 -0.1043)
OKLCH	oklch(44.82% 0.108 255.9)
XYZ	xyz(9.0797, 8.9303, 27.2265)
Luminance	0.0893 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28558F #8F6228

analogous

#28888F #28558F #2E288F

triadic

#28558F #8F2855 #558F28

tetradic

#28558F #8F2888 #8F6228 #288F2E

square

#28558F #8F2888 #8F6228 #288F2E

split-complementary

#28558F #8F2E28 #888F28

monochromatic

#0D1C2F #1B395F #28558F #3571BF #5F91D2

Accessibility & contrast

On white

7.54

#28558F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.79

#28558F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28558F

7.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28558F	#FFFFFF	#000000	##FFFFFF
##28558F	1.00	7.54	2.79	7.54
#FFFFFF	7.54	1.00	21.00	1.00
#000000	2.79	21.00	1.00	21.00
##FFFFFF	7.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A5A91

Deuteranopia (green-blind)

#2A508E

Tritanopia (blue-blind)

#00626B

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #28558f;
/* rgb */ color: rgb(40, 85, 143);
/* oklch */ color: oklch(44.8% 0.108 255.9);

Tailwind

colors: {
  custom: {
    50: '#6f84b0',
    500: '#28558f',
    950: '#000000',
  },
}

SCSS

$custom: #28558f;
$custom-light: #6f84b0;
$custom-dark: #000000;

JSON

{
  "hex": "#28558f",
  "rgb": {
    "r": 40,
    "g": 85,
    "b": 143
  },
  "hsl": {
    "h": 213.786,
    "s": 56.284,
    "l": 35.882
  },
  "oklch": {
    "l": 0.44818,
    "c": 0.10761,
    "h": 255.9
  },
  "luminance": 0.08931
}

Semantic roles & 50–950 ramp

primary

#28558F

secondary

#B88F5B

accent

#9D48E0

background

#F7F8FA

surface

#EDEFF5

border

#C8CACF

text

#080A10

muted

#7B7C7F

Preview Lab

Preview with #28558F

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

Preview Lab → · Contrast checker → · Palette generator →