#287DAA#287DAA

#287DAA is a mid, moderate cyan. Relative luminance 0.180; OKLCH L 56.0% C 0.105 H 236.6°. Best body text is #000000 at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#287DAA
RGB	rgb(40, 125, 170)
HSL	hsl(201, 62%, 41%)
HSV	hsv(201, 76%, 67%)
CMYK	cmyk(76.5%, 26.5%, 0%, 33.3%)
CIE-LAB	lab(49.52, -9.46, -31.09)
CIE-LCH	lch(49.52, 32.50, 253.07°)
OKLab	oklab(56.04% -0.0579 -0.0877)
OKLCH	oklch(56.04% 0.105 236.6)
XYZ	xyz(15.4615, 18.0188, 40.6855)
Luminance	0.1802 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#287DAA #AA5528

analogous

#28AA96 #287DAA #283CAA

triadic

#287DAA #AA287D #7DAA28

tetradic

#287DAA #9628AA #AA5528 #3CAA28

square

#287DAA #9628AA #AA5528 #3CAA28

split-complementary

#287DAA #AA283C #AA9628

monochromatic

#113447 #1C5978 #287DAA #3E9ED2 #6FB7DD

Accessibility & contrast

On white

4.56

#287DAA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.60

#287DAA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #287DAA

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##287DAA	#FFFFFF	#000000	##000000
##287DAA	1.00	4.56	4.60	4.60
#FFFFFF	4.56	1.00	21.00	21.00
#000000	4.60	21.00	1.00	1.00
##000000	4.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#677DAC

Deuteranopia (green-blind)

#5670A9

Tritanopia (blue-blind)

#00898C

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #287daa;
/* rgb */ color: rgb(40, 125, 170);
/* oklch */ color: oklch(56.0% 0.105 236.6);

Tailwind

colors: {
  custom: {
    50: '#75a2c3',
    500: '#287daa',
    950: '#000000',
  },
}

SCSS

$custom: #287daa;
$custom-light: #75a2c3;
$custom-dark: #000000;

JSON

{
  "hex": "#287daa",
  "rgb": {
    "r": 40,
    "g": 125,
    "b": 170
  },
  "hsl": {
    "h": 200.769,
    "s": 61.905,
    "l": 41.176
  },
  "oklch": {
    "l": 0.5604,
    "c": 0.10511,
    "h": 236.6
  },
  "luminance": 0.18021
}

Semantic roles & 50–950 ramp

primary

#287DAA

secondary

#C4896A

accent

#7B43E5

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0F12

muted

#7C7E81

Preview Lab

Preview with #287DAA

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

Preview Lab → · Contrast checker → · Palette generator →