#287BA9#287BA9

#287BA9 is a mid, moderate cyan. Relative luminance 0.175; OKLCH L 55.5% C 0.105 H 237.7°. Best body text is #FFFFFF at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#287BA9
RGB	rgb(40, 123, 169)
HSL	hsl(201, 62%, 41%)
HSV	hsv(201, 76%, 66%)
CMYK	cmyk(76.3%, 27.2%, 0%, 33.7%)
CIE-LAB	lab(48.86, -8.66, -31.54)
CIE-LCH	lch(48.86, 32.71, 254.64°)
OKLab	oklab(55.5% -0.0563 -0.089)
OKLCH	oklch(55.5% 0.105 237.7)
XYZ	xyz(15.1166, 17.4798, 40.1057)
Luminance	0.1748 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#287BA9 #A95628

analogous

#28A996 #287BA9 #283BA9

triadic

#287BA9 #A9287B #7BA928

tetradic

#287BA9 #9628A9 #A95628 #3BA928

square

#287BA9 #9628A9 #A95628 #3BA928

split-complementary

#287BA9 #A9283B #A99628

monochromatic

#113346 #1C5778 #287BA9 #3D9CD1 #6FB6DD

Accessibility & contrast

On white

4.67

#287BA9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.50

#287BA9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #287BA9

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##287BA9	#FFFFFF	#000000	##FFFFFF
##287BA9	1.00	4.67	4.50	4.67
#FFFFFF	4.67	1.00	21.00	1.00
#000000	4.50	21.00	1.00	21.00
##FFFFFF	4.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#657BAB

Deuteranopia (green-blind)

#546FA8

Tritanopia (blue-blind)

#00878B

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #287ba9;
/* rgb */ color: rgb(40, 123, 169);
/* oklch */ color: oklch(55.5% 0.105 237.7);

Tailwind

colors: {
  custom: {
    50: '#75a1c2',
    500: '#287ba9',
    950: '#000000',
  },
}

SCSS

$custom: #287ba9;
$custom-light: #75a1c2;
$custom-dark: #000000;

JSON

{
  "hex": "#287ba9",
  "rgb": {
    "r": 40,
    "g": 123,
    "b": 169
  },
  "hsl": {
    "h": 201.395,
    "s": 61.722,
    "l": 40.98
  },
  "oklch": {
    "l": 0.55501,
    "c": 0.10534,
    "h": 237.7
  },
  "luminance": 0.17482
}

Semantic roles & 50–950 ramp

primary

#287BA9

secondary

#C48969

accent

#7D43E5

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E12

muted

#7C7E81

Preview Lab

Preview with #287BA9

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

Preview Lab → · Contrast checker → · Palette generator →