#287BA1#287BA1

#287BA1 is a mid, moderate cyan. Relative luminance 0.172; OKLCH L 55.1% C 0.097 H 232.6°. Best body text is #FFFFFF at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#287BA1
RGB	rgb(40, 123, 161)
HSL	hsl(199, 60%, 39%)
HSV	hsv(199, 75%, 63%)
CMYK	cmyk(75.2%, 23.6%, 0%, 36.9%)
CIE-LAB	lab(48.50, -11.52, -27.44)
CIE-LCH	lch(48.50, 29.76, 247.22°)
OKLab	oklab(55.09% -0.0591 -0.0772)
OKLCH	oklch(55.09% 0.097 232.6)
XYZ	xyz(14.3885, 17.1886, 36.2707)
Luminance	0.1719 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#287BA1 #A14E28

analogous

#28A18B #287BA1 #283FA1

triadic

#287BA1 #A1287B #7BA128

tetradic

#287BA1 #8B28A1 #A14E28 #3FA128

square

#287BA1 #8B28A1 #A14E28 #3FA128

split-complementary

#287BA1 #A1283F #A18B28

monochromatic

#10303F #1C5670 #287BA1 #399FCE #6AB7DA

Accessibility & contrast

On white

4.73

#287BA1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.44

#287BA1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #287BA1

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##287BA1	#FFFFFF	#000000	##FFFFFF
##287BA1	1.00	4.73	4.44	4.73
#FFFFFF	4.73	1.00	21.00	1.00
#000000	4.44	21.00	1.00	21.00
##FFFFFF	4.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#687AA3

Deuteranopia (green-blind)

#586EA0

Tritanopia (blue-blind)

#008588

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #287ba1;
/* rgb */ color: rgb(40, 123, 161);
/* oklch */ color: oklch(55.1% 0.097 232.6);

Tailwind

colors: {
  custom: {
    50: '#74a1bd',
    500: '#287ba1',
    950: '#000000',
  },
}

SCSS

$custom: #287ba1;
$custom-light: #74a1bd;
$custom-dark: #000000;

JSON

{
  "hex": "#287ba1",
  "rgb": {
    "r": 40,
    "g": 123,
    "b": 161
  },
  "hsl": {
    "h": 198.843,
    "s": 60.199,
    "l": 39.412
  },
  "oklch": {
    "l": 0.55093,
    "c": 0.09722,
    "h": 232.6
  },
  "luminance": 0.1719
}

Semantic roles & 50–950 ramp

primary

#287BA1

secondary

#C08165

accent

#7644E3

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#090E12

muted

#7B7E81

Preview Lab

Preview with #287BA1

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

Preview Lab → · Contrast checker → · Palette generator →