#287EA8#287EA8

#287EA8 is a mid, moderate cyan. Relative luminance 0.182; OKLCH L 56.2% C 0.102 H 234.5°. Best body text is #000000 at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#287EA8
RGB	rgb(40, 126, 168)
HSL	hsl(200, 62%, 41%)
HSV	hsv(200, 76%, 66%)
CMYK	cmyk(76.2%, 25%, 0%, 34.1%)
CIE-LAB	lab(49.74, -10.76, -29.59)
CIE-LCH	lch(49.74, 31.48, 250.03°)
OKLab	oklab(56.18% -0.0596 -0.0834)
OKLCH	oklch(56.18% 0.102 234.5)
XYZ	xyz(15.4010, 18.1982, 39.7391)
Luminance	0.1820 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#287EA8 #A85228

analogous

#28A892 #287EA8 #283EA8

triadic

#287EA8 #A8287E #7EA828

tetradic

#287EA8 #9228A8 #A85228 #3EA828

square

#287EA8 #9228A8 #A85228 #3EA828

split-complementary

#287EA8 #A8283E #A89228

monochromatic

#103445 #1C5977 #287EA8 #3DA0D1 #6EB8DC

Accessibility & contrast

On white

4.53

#287EA8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.64

#287EA8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #287EA8

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##287EA8	#FFFFFF	#000000	##000000
##287EA8	1.00	4.53	4.64	4.64
#FFFFFF	4.53	1.00	21.00	21.00
#000000	4.64	21.00	1.00	1.00
##000000	4.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#697DAA

Deuteranopia (green-blind)

#5871A7

Tritanopia (blue-blind)

#00898C

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #287ea8;
/* rgb */ color: rgb(40, 126, 168);
/* oklch */ color: oklch(56.2% 0.102 234.5);

Tailwind

colors: {
  custom: {
    50: '#75a3c2',
    500: '#287ea8',
    950: '#000000',
  },
}

SCSS

$custom: #287ea8;
$custom-light: #75a3c2;
$custom-dark: #000000;

JSON

{
  "hex": "#287ea8",
  "rgb": {
    "r": 40,
    "g": 126,
    "b": 168
  },
  "hsl": {
    "h": 199.688,
    "s": 61.538,
    "l": 40.784
  },
  "oklch": {
    "l": 0.56183,
    "c": 0.10247,
    "h": 234.5
  },
  "luminance": 0.182
}

Semantic roles & 50–950 ramp

primary

#287EA8

secondary

#C38669

accent

#7843E5

background

#F7FAFB

surface

#EEF3F7

border

#C9CDD0

text

#0A0F12

muted

#7C7F81

Preview Lab

Preview with #287EA8

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

Preview Lab → · Contrast checker → · Palette generator →