#287EA7#287EA7

#287EA7 is a mid, moderate cyan. Relative luminance 0.182; OKLCH L 56.1% C 0.101 H 233.8°. Best body text is #000000 at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#287EA7
RGB	rgb(40, 126, 167)
HSL	hsl(199, 61%, 41%)
HSV	hsv(199, 76%, 65%)
CMYK	cmyk(76%, 24.6%, 0%, 34.5%)
CIE-LAB	lab(49.69, -11.11, -29.08)
CIE-LCH	lch(49.69, 31.13, 249.09°)
OKLab	oklab(56.13% -0.0599 -0.0819)
OKLCH	oklch(56.13% 0.101 233.8)
XYZ	xyz(15.3082, 18.1610, 39.2504)
Luminance	0.1816 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#287EA7 #A75128

analogous

#28A790 #287EA7 #283EA7

triadic

#287EA7 #A7287E #7EA728

tetradic

#287EA7 #9028A7 #A75128 #3EA728

square

#287EA7 #9028A7 #A75128 #3EA728

split-complementary

#287EA7 #A7283E #A79028

monochromatic

#103344 #1C5976 #287EA7 #3CA0D0 #6DB8DC

Accessibility & contrast

On white

4.53

#287EA7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.63

#287EA7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #287EA7

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##287EA7	#FFFFFF	#000000	##000000
##287EA7	1.00	4.53	4.63	4.63
#FFFFFF	4.53	1.00	21.00	21.00
#000000	4.63	21.00	1.00	1.00
##000000	4.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A7DA9

Deuteranopia (green-blind)

#5971A6

Tritanopia (blue-blind)

#00898C

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #287ea7;
/* rgb */ color: rgb(40, 126, 167);
/* oklch */ color: oklch(56.1% 0.101 233.8);

Tailwind

colors: {
  custom: {
    50: '#75a3c1',
    500: '#287ea7',
    950: '#000000',
  },
}

SCSS

$custom: #287ea7;
$custom-light: #75a3c1;
$custom-dark: #000000;

JSON

{
  "hex": "#287ea7",
  "rgb": {
    "r": 40,
    "g": 126,
    "b": 167
  },
  "hsl": {
    "h": 199.37,
    "s": 61.353,
    "l": 40.588
  },
  "oklch": {
    "l": 0.56133,
    "c": 0.10149,
    "h": 233.8
  },
  "luminance": 0.18163
}

Semantic roles & 50–950 ramp

primary

#287EA7

secondary

#C38568

accent

#7743E4

background

#F7FAFB

surface

#EEF3F7

border

#C9CDD0

text

#0A0F12

muted

#7C7F81

Preview Lab

Preview with #287EA7

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

Preview Lab → · Contrast checker → · Palette generator →