#287ABD#287ABD

#287ABD is a mid, vivid cyan. Relative luminance 0.180; OKLCH L 56.4% C 0.129 H 247.7°. Best body text is #000000 at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#287ABD
RGB	rgb(40, 122, 189)
HSL	hsl(207, 65%, 45%)
HSV	hsv(207, 79%, 74%)
CMYK	cmyk(78.8%, 35.4%, 0%, 25.9%)
CIE-LAB	lab(49.55, -0.73, -42.02)
CIE-LCH	lch(49.55, 42.03, 269.01°)
OKLab	oklab(56.37% -0.0492 -0.1196)
OKLCH	oklch(56.37% 0.129 247.7)
XYZ	xyz(17.0164, 18.0423, 50.7199)
Luminance	0.1804 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#287ABD #BD6B28

analogous

#28BDB6 #287ABD #282FBD

triadic

#287ABD #BD287A #7ABD28

tetradic

#287ABD #B628BD #BD6B28 #2FBD28

square

#287ABD #B628BD #BD6B28 #2FBD28

split-complementary

#287ABD #BD282F #BDB628

monochromatic

#133958 #1D598A #287ABD #4A98D9 #7CB5E3

Accessibility & contrast

On white

4.56

#287ABD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.61

#287ABD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #287ABD

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##287ABD	#FFFFFF	#000000	##000000
##287ABD	1.00	4.56	4.61	4.61
#FFFFFF	4.56	1.00	21.00	21.00
#000000	4.61	21.00	1.00	1.00
##000000	4.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B7DC0

Deuteranopia (green-blind)

#4570BC

Tritanopia (blue-blind)

#008A92

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #287abd;
/* rgb */ color: rgb(40, 122, 189);
/* oklch */ color: oklch(56.4% 0.129 247.7);

Tailwind

colors: {
  custom: {
    50: '#79a0d1',
    500: '#287abd',
    950: '#000000',
  },
}

SCSS

$custom: #287abd;
$custom-light: #79a0d1;
$custom-dark: #000000;

JSON

{
  "hex": "#287abd",
  "rgb": {
    "r": 40,
    "g": 122,
    "b": 189
  },
  "hsl": {
    "h": 206.98,
    "s": 65.066,
    "l": 44.902
  },
  "oklch": {
    "l": 0.56369,
    "c": 0.12933,
    "h": 247.7
  },
  "luminance": 0.18044
}

Semantic roles & 50–950 ramp

primary

#287ABD

secondary

#CB9C75

accent

#8B40E8

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0A0E14

muted

#7C7E82

Preview Lab

Preview with #287ABD

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

Preview Lab → · Contrast checker → · Palette generator →