#28636F#28636F

#28636F is a mid, moderate cyan. Relative luminance 0.105; OKLCH L 46.6% C 0.063 H 213.2°. Best body text is #FFFFFF at 6.76:1 contrast (WCAG AA passes).

Color values

HEX	#28636F
RGB	rgb(40, 99, 111)
HSL	hsl(190, 47%, 30%)
HSV	hsv(190, 64%, 44%)
CMYK	cmyk(64%, 10.8%, 0%, 56.5%)
CIE-LAB	lab(38.76, -15.07, -12.50)
CIE-LCH	lch(38.76, 19.58, 219.67°)
OKLab	oklab(46.62% -0.053 -0.0347)
OKLCH	oklch(46.62% 0.063 213.2)
XYZ	xyz(8.2050, 10.5217, 16.6343)
Luminance	0.1052 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28636F #6F3428

analogous

#286F58 #28636F #28406F

triadic

#28636F #6F2863 #636F28

tetradic

#28636F #58286F #6F3428 #406F28

square

#28636F #58286F #6F3428 #406F28

split-complementary

#28636F #6F2840 #6F5828

monochromatic

#081416 #183B42 #28636F #388B9C #51AEC0

Accessibility & contrast

On white

6.76

#28636F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#28636F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #28636F

6.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28636F	#FFFFFF	#000000	##FFFFFF
##28636F	1.00	6.76	3.10	6.76
#FFFFFF	6.76	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A6070

Deuteranopia (green-blind)

#4F586F

Tritanopia (blue-blind)

#006867

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #28636f;
/* rgb */ color: rgb(40, 99, 111);
/* oklch */ color: oklch(46.6% 0.063 213.2);

Tailwind

colors: {
  custom: {
    50: '#6a8f98',
    500: '#28636f',
    950: '#000000',
  },
}

SCSS

$custom: #28636f;
$custom-light: #6a8f98;
$custom-dark: #000000;

JSON

{
  "hex": "#28636f",
  "rgb": {
    "r": 40,
    "g": 99,
    "b": 111
  },
  "hsl": {
    "h": 190.141,
    "s": 47.02,
    "l": 29.608
  },
  "oklch": {
    "l": 0.46619,
    "c": 0.06338,
    "h": 213.2
  },
  "luminance": 0.10522
}

Semantic roles & 50–950 ramp

primary

#28636F

secondary

#A15F51

accent

#6851D7

background

#F6F8F9

surface

#ECF0F2

border

#C7CBCC

text

#070C0D

muted

#7A7D7E

Preview Lab

Preview with #28636F

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

Preview Lab → · Contrast checker → · Palette generator →