#288DAC#288DAC

#288DAC is a mid, moderate cyan. Relative luminance 0.225; OKLCH L 60.1% C 0.100 H 223.2°. Best body text is #000000 at 5.50:1 contrast (WCAG AA passes).

Color values

HEX	#288DAC
RGB	rgb(40, 141, 172)
HSL	hsl(194, 62%, 42%)
HSV	hsv(194, 77%, 67%)
CMYK	cmyk(76.7%, 18%, 0%, 32.5%)
CIE-LAB	lab(54.53, -17.71, -24.47)
CIE-LCH	lch(54.53, 30.21, 234.10°)
OKLab	oklab(60.07% -0.0729 -0.0685)
OKLCH	oklch(60.07% 0.1 223.2)
XYZ	xyz(17.8432, 22.4773, 42.4199)
Luminance	0.2248 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288DAC #AC4728

analogous

#28AC89 #288DAC #284BAC

triadic

#288DAC #AC288D #8DAC28

tetradic

#288DAC #8928AC #AC4728 #4BAC28

square

#288DAC #8928AC #AC4728 #4BAC28

split-complementary

#288DAC #AC284B #AC8928

monochromatic

#113C49 #1C647A #288DAC #3FB0D2 #71C4DE

Accessibility & contrast

On white

3.82

#288DAC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.50

#288DAC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288DAC

5.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288DAC	#FFFFFF	#000000	##000000
##288DAC	1.00	3.82	5.50	5.50
#FFFFFF	3.82	1.00	21.00	21.00
#000000	5.50	21.00	1.00	1.00
##000000	5.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B8AAE

Deuteranopia (green-blind)

#6A7DAC

Tritanopia (blue-blind)

#009697

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #288dac;
/* rgb */ color: rgb(40, 141, 172);
/* oklch */ color: oklch(60.1% 0.100 223.2);

Tailwind

colors: {
  custom: {
    50: '#77aec4',
    500: '#288dac',
    950: '#000000',
  },
}

SCSS

$custom: #288dac;
$custom-light: #77aec4;
$custom-dark: #000000;

JSON

{
  "hex": "#288dac",
  "rgb": {
    "r": 40,
    "g": 141,
    "b": 172
  },
  "hsl": {
    "h": 194.091,
    "s": 62.264,
    "l": 41.569
  },
  "oklch": {
    "l": 0.60072,
    "c": 0.10008,
    "h": 223.2
  },
  "luminance": 0.22479
}

Semantic roles & 50–950 ramp

primary

#288DAC

secondary

#C5806B

accent

#6942E5

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #288DAC

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

Preview Lab → · Contrast checker → · Palette generator →