#28639A#28639A

#28639A is a mid, moderate cyan. Relative luminance 0.117; OKLCH L 48.8% C 0.107 H 249.7°. Best body text is #FFFFFF at 6.28:1 contrast (WCAG AA passes).

Color values

HEX	#28639A
RGB	rgb(40, 99, 154)
HSL	hsl(209, 59%, 38%)
HSV	hsv(209, 74%, 60%)
CMYK	cmyk(74%, 35.7%, 0%, 39.6%)
CIE-LAB	lab(40.75, 0.30, -35.46)
CIE-LCH	lch(40.75, 35.46, 270.48°)
OKLab	oklab(48.85% -0.0373 -0.1008)
OKLCH	oklch(48.85% 0.107 249.7)
XYZ	xyz(11.1674, 11.7066, 32.2366)
Luminance	0.1171 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28639A #9A5F28

analogous

#289A98 #28639A #282A9A

triadic

#28639A #9A2863 #639A28

tetradic

#28639A #98289A #9A5F28 #2A9A28

square

#28639A #98289A #9A5F28 #2A9A28

split-complementary

#28639A #9A282A #9A9828

monochromatic

#0F2539 #1B4469 #28639A #3582CA #65A0D7

Accessibility & contrast

On white

6.28

#28639A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.34

#28639A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #28639A

6.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28639A	#FFFFFF	#000000	##FFFFFF
##28639A	1.00	6.28	3.34	6.28
#FFFFFF	6.28	1.00	21.00	1.00
#000000	3.34	21.00	1.00	21.00
##FFFFFF	6.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A669C

Deuteranopia (green-blind)

#395B99

Tritanopia (blue-blind)

#007077

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #28639a;
/* rgb */ color: rgb(40, 99, 154);
/* oklch */ color: oklch(48.8% 0.107 249.7);

Tailwind

colors: {
  custom: {
    50: '#718fb8',
    500: '#28639a',
    950: '#000000',
  },
}

SCSS

$custom: #28639a;
$custom-light: #718fb8;
$custom-dark: #000000;

JSON

{
  "hex": "#28639a",
  "rgb": {
    "r": 40,
    "g": 99,
    "b": 154
  },
  "hsl": {
    "h": 208.947,
    "s": 58.763,
    "l": 38.039
  },
  "oklch": {
    "l": 0.48846,
    "c": 0.10748,
    "h": 249.7
  },
  "luminance": 0.11708
}

Semantic roles & 50–950 ramp

primary

#28639A

secondary

#BD8D61

accent

#9146E2

background

#F7F8FB

surface

#EDF0F6

border

#C8CBD0

text

#090C11

muted

#7B7D80

Preview Lab

Preview with #28639A

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

Preview Lab → · Contrast checker → · Palette generator →