#28588F#28588F

#28588F is a mid, moderate cyan. Relative luminance 0.094; OKLCH L 45.5% C 0.104 H 253.7°. Best body text is #FFFFFF at 7.28:1 contrast (WCAG AA passes).

Color values

HEX	#28588F
RGB	rgb(40, 88, 143)
HSL	hsl(212, 56%, 36%)
HSV	hsv(212, 72%, 56%)
CMYK	cmyk(72%, 38.5%, 0%, 43.9%)
CIE-LAB	lab(36.77, 3.13, -35.15)
CIE-LCH	lch(36.77, 35.29, 275.09°)
OKLab	oklab(45.53% -0.0293 -0.1)
OKLCH	oklch(45.53% 0.104 253.7)
XYZ	xyz(9.3209, 9.4127, 27.3069)
Luminance	0.0941 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28588F #8F5F28

analogous

#288B8F #28588F #2B288F

triadic

#28588F #8F2858 #588F28

tetradic

#28588F #8F288B #8F5F28 #288F2B

square

#28588F #8F288B #8F5F28 #288F2B

split-complementary

#28588F #8F2B28 #8B8F28

monochromatic

#0D1D2F #1B3B5F #28588F #3575BF #5F95D2

Accessibility & contrast

On white

7.28

#28588F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.88

#28588F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28588F

7.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28588F	#FFFFFF	#000000	##FFFFFF
##28588F	1.00	7.28	2.88	7.28
#FFFFFF	7.28	1.00	21.00	1.00
#000000	2.88	21.00	1.00	21.00
##FFFFFF	7.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F5C91

Deuteranopia (green-blind)

#30528E

Tritanopia (blue-blind)

#00656C

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #28588f;
/* rgb */ color: rgb(40, 88, 143);
/* oklch */ color: oklch(45.5% 0.104 253.7);

Tailwind

colors: {
  custom: {
    50: '#6f86b0',
    500: '#28588f',
    950: '#000000',
  },
}

SCSS

$custom: #28588f;
$custom-light: #6f86b0;
$custom-dark: #000000;

JSON

{
  "hex": "#28588f",
  "rgb": {
    "r": 40,
    "g": 88,
    "b": 143
  },
  "hsl": {
    "h": 212.039,
    "s": 56.284,
    "l": 35.882
  },
  "oklch": {
    "l": 0.45533,
    "c": 0.10424,
    "h": 253.7
  },
  "luminance": 0.09414
}

Semantic roles & 50–950 ramp

primary

#28588F

secondary

#B88D5B

accent

#9948E0

background

#F7F8FA

surface

#EDEFF5

border

#C8CACF

text

#080B10

muted

#7B7C7F

Preview Lab

Preview with #28588F

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

Preview Lab → · Contrast checker → · Palette generator →