#288BAA#288BAA

#288BAA is a mid, moderate cyan. Relative luminance 0.218; OKLCH L 59.5% C 0.099 H 223.6°. Best body text is #000000 at 5.36:1 contrast (WCAG AA passes).

Color values

HEX	#288BAA
RGB	rgb(40, 139, 170)
HSL	hsl(194, 62%, 41%)
HSV	hsv(194, 76%, 67%)
CMYK	cmyk(76.5%, 18.2%, 0%, 33.3%)
CIE-LAB	lab(53.83, -17.31, -24.40)
CIE-LCH	lch(53.83, 29.91, 234.65°)
OKLab	oklab(59.49% -0.0717 -0.0683)
OKLCH	oklch(59.49% 0.099 223.6)
XYZ	xyz(17.3604, 21.8165, 41.3185)
Luminance	0.2182 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288BAA #AA4728

analogous

#28AA88 #288BAA #284AAA

triadic

#288BAA #AA288B #8BAA28

tetradic

#288BAA #8828AA #AA4728 #4AAA28

square

#288BAA #8828AA #AA4728 #4AAA28

split-complementary

#288BAA #AA284A #AA8828

monochromatic

#113A47 #1C6278 #288BAA #3EAED2 #6FC3DD

Accessibility & contrast

On white

3.92

#288BAA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.36

#288BAA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288BAA

5.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288BAA	#FFFFFF	#000000	##000000
##288BAA	1.00	3.92	5.36	5.36
#FFFFFF	3.92	1.00	21.00	21.00
#000000	5.36	21.00	1.00	1.00
##000000	5.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7988AC

Deuteranopia (green-blind)

#687BAA

Tritanopia (blue-blind)

#009495

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #288baa;
/* rgb */ color: rgb(40, 139, 170);
/* oklch */ color: oklch(59.5% 0.099 223.6);

Tailwind

colors: {
  custom: {
    50: '#76adc3',
    500: '#288baa',
    950: '#000000',
  },
}

SCSS

$custom: #288baa;
$custom-light: #76adc3;
$custom-dark: #000000;

JSON

{
  "hex": "#288baa",
  "rgb": {
    "r": 40,
    "g": 139,
    "b": 170
  },
  "hsl": {
    "h": 194.308,
    "s": 61.905,
    "l": 41.176
  },
  "oklch": {
    "l": 0.59485,
    "c": 0.09907,
    "h": 223.6
  },
  "luminance": 0.21819
}

Semantic roles & 50–950 ramp

primary

#288BAA

secondary

#C47F6A

accent

#6943E5

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #288BAA

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

Preview Lab → · Contrast checker → · Palette generator →