#287BA0#287BA0

#287BA0 is a mid, moderate cyan. Relative luminance 0.172; OKLCH L 55.0% C 0.096 H 231.9°. Best body text is #FFFFFF at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#287BA0
RGB	rgb(40, 123, 160)
HSL	hsl(199, 60%, 39%)
HSV	hsv(199, 75%, 63%)
CMYK	cmyk(75%, 23.1%, 0%, 37.3%)
CIE-LAB	lab(48.45, -11.88, -26.92)
CIE-LCH	lch(48.45, 29.43, 246.19°)
OKLab	oklab(55.04% -0.0595 -0.0757)
OKLCH	oklch(55.04% 0.096 231.9)
XYZ	xyz(14.3006, 17.1534, 35.8081)
Luminance	0.1716 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#287BA0 #A04D28

analogous

#28A089 #287BA0 #283FA0

triadic

#287BA0 #A0287B #7BA028

tetradic

#287BA0 #8928A0 #A04D28 #3FA028

square

#287BA0 #8928A0 #A04D28 #3FA028

split-complementary

#287BA0 #A0283F #A08928

monochromatic

#10303E #1C556F #287BA0 #389FCD #69B7D9

Accessibility & contrast

On white

4.74

#287BA0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.43

#287BA0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #287BA0

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##287BA0	#FFFFFF	#000000	##FFFFFF
##287BA0	1.00	4.74	4.43	4.74
#FFFFFF	4.74	1.00	21.00	1.00
#000000	4.43	21.00	1.00	21.00
##FFFFFF	4.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#687AA2

Deuteranopia (green-blind)

#586E9F

Tritanopia (blue-blind)

#008587

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #287ba0;
/* rgb */ color: rgb(40, 123, 160);
/* oklch */ color: oklch(55.0% 0.096 231.9);

Tailwind

colors: {
  custom: {
    50: '#73a1bc',
    500: '#287ba0',
    950: '#000000',
  },
}

SCSS

$custom: #287ba0;
$custom-light: #73a1bc;
$custom-dark: #000000;

JSON

{
  "hex": "#287ba0",
  "rgb": {
    "r": 40,
    "g": 123,
    "b": 160
  },
  "hsl": {
    "h": 198.5,
    "s": 60,
    "l": 39.216
  },
  "oklch": {
    "l": 0.55044,
    "c": 0.09627,
    "h": 231.9
  },
  "luminance": 0.17155
}

Semantic roles & 50–950 ramp

primary

#287BA0

secondary

#C08064

accent

#7645E3

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090E12

muted

#7B7E81

Preview Lab

Preview with #287BA0

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

Preview Lab → · Contrast checker → · Palette generator →