#287AA4#287AA4

#287AA4 is a mid, moderate cyan. Relative luminance 0.171; OKLCH L 55.0% C 0.101 H 235.5°. Best body text is #FFFFFF at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#287AA4
RGB	rgb(40, 122, 164)
HSL	hsl(200, 61%, 40%)
HSV	hsv(200, 76%, 64%)
CMYK	cmyk(75.6%, 25.6%, 0%, 35.7%)
CIE-LAB	lab(48.32, -9.88, -29.47)
CIE-LCH	lch(48.32, 31.08, 251.46°)
OKLab	oklab(55% -0.057 -0.0831)
OKLCH	oklch(55% 0.101 235.5)
XYZ	xyz(14.5328, 17.0488, 37.6396)
Luminance	0.1705 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#287AA4 #A45228

analogous

#28A490 #287AA4 #283CA4

triadic

#287AA4 #A4287A #7AA428

tetradic

#287AA4 #9028A4 #A45228 #3CA428

square

#287AA4 #9028A4 #A45228 #3CA428

split-complementary

#287AA4 #A4283C #A49028

monochromatic

#103142 #1C5573 #287AA4 #3A9DCF #6BB5DB

Accessibility & contrast

On white

4.76

#287AA4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.41

#287AA4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #287AA4

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##287AA4	#FFFFFF	#000000	##FFFFFF
##287AA4	1.00	4.76	4.41	4.76
#FFFFFF	4.76	1.00	21.00	1.00
#000000	4.41	21.00	1.00	21.00
##FFFFFF	4.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6679A6

Deuteranopia (green-blind)

#556EA3

Tritanopia (blue-blind)

#008588

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #287aa4;
/* rgb */ color: rgb(40, 122, 164);
/* oklch */ color: oklch(55.0% 0.101 235.5);

Tailwind

colors: {
  custom: {
    50: '#74a0bf',
    500: '#287aa4',
    950: '#000000',
  },
}

SCSS

$custom: #287aa4;
$custom-light: #74a0bf;
$custom-dark: #000000;

JSON

{
  "hex": "#287aa4",
  "rgb": {
    "r": 40,
    "g": 122,
    "b": 164
  },
  "hsl": {
    "h": 200.323,
    "s": 60.784,
    "l": 40
  },
  "oklch": {
    "l": 0.54998,
    "c": 0.10075,
    "h": 235.5
  },
  "luminance": 0.17051
}

Semantic roles & 50–950 ramp

primary

#287AA4

secondary

#C18566

accent

#7A44E4

background

#F7F9FB

surface

#EEF2F7

border

#C9CCD0

text

#090E12

muted

#7B7E81

Preview Lab

Preview with #287AA4

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

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