#288AAA#288AAA

#288AAA is a mid, moderate cyan. Relative luminance 0.215; OKLCH L 59.2% C 0.099 H 224.6°. Best body text is #000000 at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#288AAA
RGB	rgb(40, 138, 170)
HSL	hsl(195, 62%, 41%)
HSV	hsv(195, 76%, 67%)
CMYK	cmyk(76.5%, 18.8%, 0%, 33.3%)
CIE-LAB	lab(53.52, -16.77, -24.87)
CIE-LCH	lch(53.52, 30.00, 236.02°)
OKLab	oklab(59.24% -0.0707 -0.0697)
OKLCH	oklch(59.24% 0.099 224.6)
XYZ	xyz(17.2162, 21.5283, 41.2704)
Luminance	0.2153 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288AAA #AA4828

analogous

#28AA89 #288AAA #2849AA

triadic

#288AAA #AA288A #8AAA28

tetradic

#288AAA #8928AA #AA4828 #49AA28

square

#288AAA #8928AA #AA4828 #49AA28

split-complementary

#288AAA #AA2849 #AA8928

monochromatic

#113A47 #1C6278 #288AAA #3EADD2 #6FC2DD

Accessibility & contrast

On white

3.96

#288AAA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.31

#288AAA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288AAA

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288AAA	#FFFFFF	#000000	##000000
##288AAA	1.00	3.96	5.31	5.31
#FFFFFF	3.96	1.00	21.00	21.00
#000000	5.31	21.00	1.00	1.00
##000000	5.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7887AC

Deuteranopia (green-blind)

#677AAA

Tritanopia (blue-blind)

#009494

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #288aaa;
/* rgb */ color: rgb(40, 138, 170);
/* oklch */ color: oklch(59.2% 0.099 224.6);

Tailwind

colors: {
  custom: {
    50: '#76acc3',
    500: '#288aaa',
    950: '#000000',
  },
}

SCSS

$custom: #288aaa;
$custom-light: #76acc3;
$custom-dark: #000000;

JSON

{
  "hex": "#288aaa",
  "rgb": {
    "r": 40,
    "g": 138,
    "b": 170
  },
  "hsl": {
    "h": 194.769,
    "s": 61.905,
    "l": 41.176
  },
  "oklch": {
    "l": 0.59237,
    "c": 0.09931,
    "h": 224.6
  },
  "luminance": 0.2153
}

Semantic roles & 50–950 ramp

primary

#288AAA

secondary

#C4806A

accent

#6B43E5

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #288AAA

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

Preview Lab → · Contrast checker → · Palette generator →