#28688F#28688F

#28688F is a mid, moderate cyan. Relative luminance 0.123; OKLCH L 49.5% C 0.090 H 239.2°. Best body text is #FFFFFF at 6.06:1 contrast (WCAG AA passes).

Color values

HEX	#28688F
RGB	rgb(40, 104, 143)
HSL	hsl(203, 56%, 36%)
HSV	hsv(203, 72%, 56%)
CMYK	cmyk(72%, 27.3%, 0%, 43.9%)
CIE-LAB	lab(41.74, -6.85, -27.32)
CIE-LCH	lch(41.74, 28.16, 255.92°)
OKLab	oklab(49.45% -0.046 -0.077)
OKLCH	oklch(49.45% 0.09 239.2)
XYZ	xyz(10.7814, 12.3337, 27.7937)
Luminance	0.1234 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28688F #8F4F28

analogous

#288F82 #28688F #28358F

triadic

#28688F #8F2868 #688F28

tetradic

#28688F #82288F #8F4F28 #358F28

square

#28688F #82288F #8F4F28 #358F28

split-complementary

#28688F #8F2835 #8F8228

monochromatic

#0D222F #1B455F #28688F #358BBF #5FA7D2

Accessibility & contrast

On white

6.06

#28688F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.47

#28688F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #28688F

6.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28688F	#FFFFFF	#000000	##FFFFFF
##28688F	1.00	6.06	3.47	6.06
#FFFFFF	6.06	1.00	21.00	1.00
#000000	3.47	21.00	1.00	21.00
##FFFFFF	6.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#566891

Deuteranopia (green-blind)

#485E8E

Tritanopia (blue-blind)

#007275

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #28688f;
/* rgb */ color: rgb(40, 104, 143);
/* oklch */ color: oklch(49.5% 0.090 239.2);

Tailwind

colors: {
  custom: {
    50: '#6f93b0',
    500: '#28688f',
    950: '#000000',
  },
}

SCSS

$custom: #28688f;
$custom-light: #6f93b0;
$custom-dark: #000000;

JSON

{
  "hex": "#28688f",
  "rgb": {
    "r": 40,
    "g": 104,
    "b": 143
  },
  "hsl": {
    "h": 202.718,
    "s": 56.284,
    "l": 35.882
  },
  "oklch": {
    "l": 0.4945,
    "c": 0.08968,
    "h": 239.2
  },
  "luminance": 0.12335
}

Semantic roles & 50–950 ramp

primary

#28688F

secondary

#B87E5B

accent

#8248E0

background

#F7F9FA

surface

#EDF1F4

border

#C8CBCE

text

#080D10

muted

#7B7E7F

Preview Lab

Preview with #28688F

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

Preview Lab → · Contrast checker → · Palette generator →