#287FAC#287FAC

#287FAC is a mid, moderate cyan. Relative luminance 0.186; OKLCH L 56.6% C 0.106 H 236.1°. Best body text is #000000 at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#287FAC
RGB	rgb(40, 127, 172)
HSL	hsl(200, 62%, 42%)
HSV	hsv(200, 77%, 67%)
CMYK	cmyk(76.7%, 26.2%, 0%, 32.5%)
CIE-LAB	lab(50.22, -9.90, -31.15)
CIE-LCH	lch(50.22, 32.68, 252.37°)
OKLab	oklab(56.63% -0.0591 -0.0879)
OKLCH	oklch(56.63% 0.106 236.1)
XYZ	xyz(15.9079, 18.6065, 41.7747)
Luminance	0.1861 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#287FAC #AC5528

analogous

#28AC97 #287FAC #283DAC

triadic

#287FAC #AC287F #7FAC28

tetradic

#287FAC #9728AC #AC5528 #3DAC28

square

#287FAC #9728AC #AC5528 #3DAC28

split-complementary

#287FAC #AC283D #AC9728

monochromatic

#113649 #1C5A7A #287FAC #3FA0D2 #71B9DE

Accessibility & contrast

On white

4.45

#287FAC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.72

#287FAC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #287FAC

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##287FAC	#FFFFFF	#000000	##000000
##287FAC	1.00	4.45	4.72	4.72
#FFFFFF	4.45	1.00	21.00	21.00
#000000	4.72	21.00	1.00	1.00
##000000	4.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#697EAE

Deuteranopia (green-blind)

#5772AB

Tritanopia (blue-blind)

#008B8E

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #287fac;
/* rgb */ color: rgb(40, 127, 172);
/* oklch */ color: oklch(56.6% 0.106 236.1);

Tailwind

colors: {
  custom: {
    50: '#76a4c5',
    500: '#287fac',
    950: '#000000',
  },
}

SCSS

$custom: #287fac;
$custom-light: #76a4c5;
$custom-dark: #000000;

JSON

{
  "hex": "#287fac",
  "rgb": {
    "r": 40,
    "g": 127,
    "b": 172
  },
  "hsl": {
    "h": 200.455,
    "s": 62.264,
    "l": 41.569
  },
  "oklch": {
    "l": 0.56631,
    "c": 0.10593,
    "h": 236.1
  },
  "luminance": 0.18608
}

Semantic roles & 50–950 ramp

primary

#287FAC

secondary

#C58A6B

accent

#7A42E5

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A0F13

muted

#7C7F82

Preview Lab

Preview with #287FAC

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

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