#28839F#28839F

#28839F is a mid, moderate cyan. Relative luminance 0.192; OKLCH L 57.0% C 0.093 H 222.9°. Best body text is #000000 at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#28839F
RGB	rgb(40, 131, 159)
HSL	hsl(194, 60%, 39%)
HSV	hsv(194, 75%, 62%)
CMYK	cmyk(74.8%, 17.6%, 0%, 37.6%)
CIE-LAB	lab(50.90, -16.70, -22.55)
CIE-LCH	lch(50.90, 28.06, 233.48°)
OKLab	oklab(56.99% -0.068 -0.0631)
OKLCH	oklch(56.99% 0.093 222.9)
XYZ	xyz(15.2468, 19.1851, 35.6937)
Luminance	0.1919 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28839F #9F4428

analogous

#289F80 #28839F #28489F

triadic

#28839F #9F2883 #839F28

tetradic

#28839F #80289F #9F4428 #489F28

square

#28839F #80289F #9F4428 #489F28

split-complementary

#28839F #9F2848 #9F8028

monochromatic

#0F323D #1C5B6E #28839F #37AACD #68BFD9

Accessibility & contrast

On white

4.34

#28839F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.84

#28839F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #28839F

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28839F	#FFFFFF	#000000	##000000
##28839F	1.00	4.34	4.84	4.84
#FFFFFF	4.34	1.00	21.00	21.00
#000000	4.84	21.00	1.00	1.00
##000000	4.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7380A0

Deuteranopia (green-blind)

#63749F

Tritanopia (blue-blind)

#008C8C

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #28839f;
/* rgb */ color: rgb(40, 131, 159);
/* oklch */ color: oklch(57.0% 0.093 222.9);

Tailwind

colors: {
  custom: {
    50: '#74a7bb',
    500: '#28839f',
    950: '#000000',
  },
}

SCSS

$custom: #28839f;
$custom-light: #74a7bb;
$custom-dark: #000000;

JSON

{
  "hex": "#28839f",
  "rgb": {
    "r": 40,
    "g": 131,
    "b": 159
  },
  "hsl": {
    "h": 194.118,
    "s": 59.799,
    "l": 39.02
  },
  "oklch": {
    "l": 0.5699,
    "c": 0.09277,
    "h": 222.9
  },
  "luminance": 0.19187
}

Semantic roles & 50–950 ramp

primary

#28839F

secondary

#BF7964

accent

#6A45E3

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #28839F

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

Preview Lab → · Contrast checker → · Palette generator →