#288FAE#288FAE

#288FAE is a mid, moderate cyan. Relative luminance 0.232; OKLCH L 60.7% C 0.101 H 222.8°. Best body text is #000000 at 5.63:1 contrast (WCAG AA passes).

Color values

HEX	#288FAE
RGB	rgb(40, 143, 174)
HSL	hsl(194, 63%, 42%)
HSV	hsv(194, 77%, 68%)
CMYK	cmyk(77%, 17.8%, 0%, 31.8%)
CIE-LAB	lab(55.23, -18.11, -24.54)
CIE-LCH	lch(55.23, 30.50, 233.57°)
OKLab	oklab(60.66% -0.0741 -0.0687)
OKLCH	oklch(60.66% 0.101 222.8)
XYZ	xyz(18.3343, 23.1498, 43.5383)
Luminance	0.2315 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288FAE #AE4728

analogous

#28AE8A #288FAE #284CAE

triadic

#288FAE #AE288F #8FAE28

tetradic

#288FAE #8A28AE #AE4728 #4CAE28

square

#288FAE #8A28AE #AE4728 #4CAE28

split-complementary

#288FAE #AE284C #AE8A28

monochromatic

#113D4A #1D667C #288FAE #40B1D3 #72C5DF

Accessibility & contrast

On white

3.73

#288FAE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.63

#288FAE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288FAE

5.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288FAE	#FFFFFF	#000000	##000000
##288FAE	1.00	3.73	5.63	5.63
#FFFFFF	3.73	1.00	21.00	21.00
#000000	5.63	21.00	1.00	1.00
##000000	5.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D8CB0

Deuteranopia (green-blind)

#6B7FAE

Tritanopia (blue-blind)

#009999

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #288fae;
/* rgb */ color: rgb(40, 143, 174);
/* oklch */ color: oklch(60.7% 0.101 222.8);

Tailwind

colors: {
  custom: {
    50: '#77b0c6',
    500: '#288fae',
    950: '#000000',
  },
}

SCSS

$custom: #288fae;
$custom-light: #77b0c6;
$custom-dark: #000000;

JSON

{
  "hex": "#288fae",
  "rgb": {
    "r": 40,
    "g": 143,
    "b": 174
  },
  "hsl": {
    "h": 193.881,
    "s": 62.617,
    "l": 41.961
  },
  "oklch": {
    "l": 0.60657,
    "c": 0.10109,
    "h": 222.8
  },
  "luminance": 0.23152
}

Semantic roles & 50–950 ramp

primary

#288FAE

secondary

#C6816C

accent

#6842E6

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #288FAE

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

Preview Lab → · Contrast checker → · Palette generator →