#287AAE#287AAE

#287AAE is a mid, moderate cyan. Relative luminance 0.174; OKLCH L 55.5% C 0.112 H 241.3°. Best body text is #FFFFFF at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#287AAE
RGB	rgb(40, 122, 174)
HSL	hsl(203, 63%, 42%)
HSV	hsv(203, 77%, 68%)
CMYK	cmyk(77%, 29.9%, 0%, 31.8%)
CIE-LAB	lab(48.79, -6.26, -34.55)
CIE-LCH	lch(48.79, 35.12, 259.72°)
OKLab	oklab(55.52% -0.0536 -0.0978)
OKLCH	oklch(55.52% 0.112 241.3)
XYZ	xyz(15.4716, 17.4243, 42.5840)
Luminance	0.1743 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#287AAE #AE5C28

analogous

#28AE9F #287AAE #2837AE

triadic

#287AAE #AE287A #7AAE28

tetradic

#287AAE #9F28AE #AE5C28 #37AE28

square

#287AAE #9F28AE #AE5C28 #37AE28

split-complementary

#287AAE #AE2837 #AE9F28

monochromatic

#11344A #1D577C #287AAE #409AD3 #72B4DF

Accessibility & contrast

On white

4.68

#287AAE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.49

#287AAE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #287AAE

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##287AAE	#FFFFFF	#000000	##FFFFFF
##287AAE	1.00	4.68	4.49	4.68
#FFFFFF	4.68	1.00	21.00	1.00
#000000	4.49	21.00	1.00	21.00
##FFFFFF	4.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#627BB0

Deuteranopia (green-blind)

#4F6EAD

Tritanopia (blue-blind)

#00878C

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #287aae;
/* rgb */ color: rgb(40, 122, 174);
/* oklch */ color: oklch(55.5% 0.112 241.3);

Tailwind

colors: {
  custom: {
    50: '#76a0c6',
    500: '#287aae',
    950: '#000000',
  },
}

SCSS

$custom: #287aae;
$custom-light: #76a0c6;
$custom-dark: #000000;

JSON

{
  "hex": "#287aae",
  "rgb": {
    "r": 40,
    "g": 122,
    "b": 174
  },
  "hsl": {
    "h": 203.284,
    "s": 62.617,
    "l": 41.961
  },
  "oklch": {
    "l": 0.55524,
    "c": 0.11156,
    "h": 241.3
  },
  "luminance": 0.17426
}

Semantic roles & 50–950 ramp

primary

#287AAE

secondary

#C68F6C

accent

#8242E6

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #287AAE

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

Preview Lab → · Contrast checker → · Palette generator →