#288FAF#288FAF

#288FAF is a mid, moderate cyan. Relative luminance 0.232; OKLCH L 60.7% C 0.102 H 223.6°. Best body text is #000000 at 5.64:1 contrast (WCAG AA passes).

Color values

HEX	#288FAF
RGB	rgb(40, 143, 175)
HSL	hsl(194, 63%, 42%)
HSV	hsv(194, 77%, 69%)
CMYK	cmyk(77.1%, 18.3%, 0%, 31.4%)
CIE-LAB	lab(55.27, -17.77, -25.05)
CIE-LCH	lch(55.27, 30.71, 234.65°)
OKLab	oklab(60.7% -0.0737 -0.0702)
OKLCH	oklch(60.7% 0.102 223.6)
XYZ	xyz(18.4322, 23.1890, 44.0536)
Luminance	0.2319 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288FAF #AF4828

analogous

#28AF8C #288FAF #284CAF

triadic

#288FAF #AF288F #8FAF28

tetradic

#288FAF #8C28AF #AF4828 #4CAF28

square

#288FAF #8C28AF #AF4828 #4CAF28

split-complementary

#288FAF #AF284C #AF8C28

monochromatic

#113E4B #1D667D #288FAF #41B1D4 #73C5DF

Accessibility & contrast

On white

3.72

#288FAF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.64

#288FAF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288FAF

5.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288FAF	#FFFFFF	#000000	##000000
##288FAF	1.00	3.72	5.64	5.64
#FFFFFF	3.72	1.00	21.00	21.00
#000000	5.64	21.00	1.00	1.00
##000000	5.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D8CB1

Deuteranopia (green-blind)

#6B7FAF

Tritanopia (blue-blind)

#009999

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #288faf;
/* rgb */ color: rgb(40, 143, 175);
/* oklch */ color: oklch(60.7% 0.102 223.6);

Tailwind

colors: {
  custom: {
    50: '#77b0c7',
    500: '#288faf',
    950: '#000000',
  },
}

SCSS

$custom: #288faf;
$custom-light: #77b0c7;
$custom-dark: #000000;

JSON

{
  "hex": "#288faf",
  "rgb": {
    "r": 40,
    "g": 143,
    "b": 175
  },
  "hsl": {
    "h": 194.222,
    "s": 62.791,
    "l": 42.157
  },
  "oklch": {
    "l": 0.60702,
    "c": 0.1018,
    "h": 223.6
  },
  "luminance": 0.23191
}

Semantic roles & 50–950 ramp

primary

#288FAF

secondary

#C6826D

accent

#6942E6

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #288FAF

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

Preview Lab → · Contrast checker → · Palette generator →