#287EAF#287EAF

#287EAF is a mid, moderate cyan. Relative luminance 0.185; OKLCH L 56.5% C 0.110 H 238.6°. Best body text is #000000 at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#287EAF
RGB	rgb(40, 126, 175)
HSL	hsl(202, 63%, 42%)
HSV	hsv(202, 77%, 69%)
CMYK	cmyk(77.1%, 28%, 0%, 31.4%)
CIE-LAB	lab(50.06, -8.24, -33.15)
CIE-LCH	lch(50.06, 34.16, 256.03°)
OKLab	oklab(56.54% -0.0572 -0.0937)
OKLCH	oklch(56.54% 0.11 238.6)
XYZ	xyz(16.0707, 18.4661, 43.2664)
Luminance	0.1847 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#287EAF #AF5928

analogous

#28AF9D #287EAF #283AAF

triadic

#287EAF #AF287E #7EAF28

tetradic

#287EAF #9D28AF #AF5928 #3AAF28

square

#287EAF #9D28AF #AF5928 #3AAF28

split-complementary

#287EAF #AF283A #AF9D28

monochromatic

#11364B #1D5A7D #287EAF #419ED4 #73B8DF

Accessibility & contrast

On white

4.47

#287EAF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.69

#287EAF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #287EAF

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##287EAF	#FFFFFF	#000000	##000000
##287EAF	1.00	4.47	4.69	4.69
#FFFFFF	4.47	1.00	21.00	21.00
#000000	4.69	21.00	1.00	1.00
##000000	4.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#677EB1

Deuteranopia (green-blind)

#5471AE

Tritanopia (blue-blind)

#008A8F

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #287eaf;
/* rgb */ color: rgb(40, 126, 175);
/* oklch */ color: oklch(56.5% 0.110 238.6);

Tailwind

colors: {
  custom: {
    50: '#76a3c7',
    500: '#287eaf',
    950: '#000000',
  },
}

SCSS

$custom: #287eaf;
$custom-light: #76a3c7;
$custom-dark: #000000;

JSON

{
  "hex": "#287eaf",
  "rgb": {
    "r": 40,
    "g": 126,
    "b": 175
  },
  "hsl": {
    "h": 201.778,
    "s": 62.791,
    "l": 42.157
  },
  "oklch": {
    "l": 0.56544,
    "c": 0.10974,
    "h": 238.6
  },
  "luminance": 0.18468
}

Semantic roles & 50–950 ramp

primary

#287EAF

secondary

#C68D6D

accent

#7D42E6

background

#F7FAFC

surface

#EEF3F8

border

#C9CDD1

text

#0A0F13

muted

#7C7F82

Preview Lab

Preview with #287EAF

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

Preview Lab → · Contrast checker → · Palette generator →