#288EAE#288EAE

#288EAE is a mid, moderate cyan. Relative luminance 0.229; OKLCH L 60.4% C 0.101 H 223.8°. Best body text is #000000 at 5.57:1 contrast (WCAG AA passes).

Color values

HEX	#288EAE
RGB	rgb(40, 142, 174)
HSL	hsl(194, 63%, 42%)
HSV	hsv(194, 77%, 68%)
CMYK	cmyk(77%, 18.4%, 0%, 31.8%)
CIE-LAB	lab(54.92, -17.57, -25.02)
CIE-LCH	lch(54.92, 30.57, 234.91°)
OKLab	oklab(60.41% -0.0731 -0.0701)
OKLCH	oklch(60.41% 0.101 223.8)
XYZ	xyz(18.1849, 22.8509, 43.4884)
Luminance	0.2285 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288EAE #AE4828

analogous

#28AE8B #288EAE #284BAE

triadic

#288EAE #AE288E #8EAE28

tetradic

#288EAE #8B28AE #AE4828 #4BAE28

square

#288EAE #8B28AE #AE4828 #4BAE28

split-complementary

#288EAE #AE284B #AE8B28

monochromatic

#113D4A #1D657C #288EAE #40B0D3 #72C5DF

Accessibility & contrast

On white

3.77

#288EAE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.57

#288EAE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288EAE

5.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288EAE	#FFFFFF	#000000	##000000
##288EAE	1.00	3.77	5.57	5.57
#FFFFFF	3.77	1.00	21.00	21.00
#000000	5.57	21.00	1.00	1.00
##000000	5.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C8BB0

Deuteranopia (green-blind)

#6A7EAE

Tritanopia (blue-blind)

#009898

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #288eae;
/* rgb */ color: rgb(40, 142, 174);
/* oklch */ color: oklch(60.4% 0.101 223.8);

Tailwind

colors: {
  custom: {
    50: '#77afc6',
    500: '#288eae',
    950: '#000000',
  },
}

SCSS

$custom: #288eae;
$custom-light: #77afc6;
$custom-dark: #000000;

JSON

{
  "hex": "#288eae",
  "rgb": {
    "r": 40,
    "g": 142,
    "b": 174
  },
  "hsl": {
    "h": 194.328,
    "s": 62.617,
    "l": 41.961
  },
  "oklch": {
    "l": 0.6041,
    "c": 0.10131,
    "h": 223.8
  },
  "luminance": 0.22853
}

Semantic roles & 50–950 ramp

primary

#288EAE

secondary

#C6826C

accent

#6942E6

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #288EAE

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

Preview Lab → · Contrast checker → · Palette generator →