#28639C#28639C

#28639C is a mid, moderate cyan. Relative luminance 0.118; OKLCH L 49.0% C 0.110 H 250.5°. Best body text is #FFFFFF at 6.26:1 contrast (WCAG AA passes).

Color values

HEX	#28639C
RGB	rgb(40, 99, 156)
HSL	hsl(209, 59%, 38%)
HSV	hsv(209, 74%, 61%)
CMYK	cmyk(74.4%, 36.5%, 0%, 38.8%)
CIE-LAB	lab(40.85, 1.05, -36.48)
CIE-LCH	lch(40.85, 36.50, 271.65°)
OKLab	oklab(48.97% -0.0368 -0.1038)
OKLCH	oklch(48.97% 0.11 250.5)
XYZ	xyz(11.3354, 11.7738, 33.1212)
Luminance	0.1177 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28639C #9C6128

analogous

#289C9B #28639C #28299C

triadic

#28639C #9C2863 #639C28

tetradic

#28639C #9B289C #9C6128 #299C28

square

#28639C #9B289C #9C6128 #299C28

split-complementary

#28639C #9C2829 #9C9B28

monochromatic

#0F253B #1C446B #28639C #3682CB #67A0D8

Accessibility & contrast

On white

6.26

#28639C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.36

#28639C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #28639C

6.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28639C	#FFFFFF	#000000	##FFFFFF
##28639C	1.00	6.26	3.36	6.26
#FFFFFF	6.26	1.00	21.00	1.00
#000000	3.36	21.00	1.00	21.00
##FFFFFF	6.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#49669E

Deuteranopia (green-blind)

#385B9B

Tritanopia (blue-blind)

#007078

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #28639c;
/* rgb */ color: rgb(40, 99, 156);
/* oklch */ color: oklch(49.0% 0.110 250.5);

Tailwind

colors: {
  custom: {
    50: '#728fb9',
    500: '#28639c',
    950: '#000000',
  },
}

SCSS

$custom: #28639c;
$custom-light: #728fb9;
$custom-dark: #000000;

JSON

{
  "hex": "#28639c",
  "rgb": {
    "r": 40,
    "g": 99,
    "b": 156
  },
  "hsl": {
    "h": 209.483,
    "s": 59.184,
    "l": 38.431
  },
  "oklch": {
    "l": 0.48967,
    "c": 0.1101,
    "h": 250.5
  },
  "luminance": 0.11775
}

Semantic roles & 50–950 ramp

primary

#28639C

secondary

#BE8F62

accent

#9345E2

background

#F7F8FB

surface

#EDF0F6

border

#C8CBD0

text

#090C11

muted

#7B7D80

Preview Lab

Preview with #28639C

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

Preview Lab → · Contrast checker → · Palette generator →