#28639F#28639F

#28639F is a mid, moderate cyan. Relative luminance 0.119; OKLCH L 49.1% C 0.114 H 251.6°. Best body text is #FFFFFF at 6.22:1 contrast (WCAG AA passes).

Color values

HEX	#28639F
RGB	rgb(40, 99, 159)
HSL	hsl(210, 60%, 39%)
HSV	hsv(210, 75%, 62%)
CMYK	cmyk(74.8%, 37.7%, 0%, 37.6%)
CIE-LAB	lab(41.02, 2.19, -38.01)
CIE-LCH	lch(41.02, 38.07, 273.29°)
OKLab	oklab(49.15% -0.036 -0.1082)
OKLCH	oklch(49.15% 0.114 251.6)
XYZ	xyz(11.5926, 11.8767, 34.4756)
Luminance	0.1188 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28639F #9F6428

analogous

#289F9F #28639F #29289F

triadic

#28639F #9F2863 #639F28

tetradic

#28639F #9F289F #9F6428 #289F29

square

#28639F #9F289F #9F6428 #289F29

split-complementary

#28639F #9F2928 #9F9F28

monochromatic

#0F263D #1C456E #28639F #3781CD #68A0D9

Accessibility & contrast

On white

6.22

#28639F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.38

#28639F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #28639F

6.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28639F	#FFFFFF	#000000	##FFFFFF
##28639F	1.00	6.22	3.38	6.22
#FFFFFF	6.22	1.00	21.00	1.00
#000000	3.38	21.00	1.00	21.00
##FFFFFF	6.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4767A1

Deuteranopia (green-blind)

#355C9E

Tritanopia (blue-blind)

#007179

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #28639f;
/* rgb */ color: rgb(40, 99, 159);
/* oklch */ color: oklch(49.1% 0.114 251.6);

Tailwind

colors: {
  custom: {
    50: '#728fbc',
    500: '#28639f',
    950: '#000000',
  },
}

SCSS

$custom: #28639f;
$custom-light: #728fbc;
$custom-dark: #000000;

JSON

{
  "hex": "#28639f",
  "rgb": {
    "r": 40,
    "g": 99,
    "b": 159
  },
  "hsl": {
    "h": 210.252,
    "s": 59.799,
    "l": 39.02
  },
  "oklch": {
    "l": 0.4915,
    "c": 0.11405,
    "h": 251.6
  },
  "luminance": 0.11878
}

Semantic roles & 50–950 ramp

primary

#28639F

secondary

#BF9264

accent

#9545E3

background

#F7F8FB

surface

#EDF0F6

border

#C8CBD0

text

#090C12

muted

#7B7D81

Preview Lab

Preview with #28639F

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

Preview Lab → · Contrast checker → · Palette generator →