#288FAD#288FAD

#288FAD is a mid, moderate cyan. Relative luminance 0.231; OKLCH L 60.6% C 0.100 H 222.1°. Best body text is #000000 at 5.62:1 contrast (WCAG AA passes).

Color values

HEX	#288FAD
RGB	rgb(40, 143, 173)
HSL	hsl(194, 62%, 42%)
HSV	hsv(194, 77%, 68%)
CMYK	cmyk(76.9%, 17.3%, 0%, 32.2%)
CIE-LAB	lab(55.19, -18.45, -24.03)
CIE-LCH	lch(55.19, 30.30, 232.48°)
OKLab	oklab(60.61% -0.0745 -0.0673)
OKLCH	oklch(60.61% 0.1 222.1)
XYZ	xyz(18.2372, 23.1110, 43.0267)
Luminance	0.2311 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288FAD #AD4628

analogous

#28AD89 #288FAD #284DAD

triadic

#288FAD #AD288F #8FAD28

tetradic

#288FAD #8928AD #AD4628 #4DAD28

square

#288FAD #8928AD #AD4628 #4DAD28

split-complementary

#288FAD #AD284D #AD8928

monochromatic

#113D4A #1D667B #288FAD #3FB2D3 #71C6DE

Accessibility & contrast

On white

3.73

#288FAD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.62

#288FAD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288FAD

5.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288FAD	#FFFFFF	#000000	##000000
##288FAD	1.00	3.73	5.62	5.62
#FFFFFF	3.73	1.00	21.00	21.00
#000000	5.62	21.00	1.00	1.00
##000000	5.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D8BAF

Deuteranopia (green-blind)

#6C7FAD

Tritanopia (blue-blind)

#009899

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #288fad;
/* rgb */ color: rgb(40, 143, 173);
/* oklch */ color: oklch(60.6% 0.100 222.1);

Tailwind

colors: {
  custom: {
    50: '#77b0c5',
    500: '#288fad',
    950: '#000000',
  },
}

SCSS

$custom: #288fad;
$custom-light: #77b0c5;
$custom-dark: #000000;

JSON

{
  "hex": "#288fad",
  "rgb": {
    "r": 40,
    "g": 143,
    "b": 173
  },
  "hsl": {
    "h": 193.534,
    "s": 62.441,
    "l": 41.765
  },
  "oklch": {
    "l": 0.60612,
    "c": 0.10039,
    "h": 222.1
  },
  "luminance": 0.23113
}

Semantic roles & 50–950 ramp

primary

#288FAD

secondary

#C5806C

accent

#6742E6

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #288FAD

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

Preview Lab → · Contrast checker → · Palette generator →