#287391#287391

#287391 is a mid, moderate cyan. Relative luminance 0.148; OKLCH L 52.3% C 0.086 H 228.6°. Best body text is #FFFFFF at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#287391
RGB	rgb(40, 115, 145)
HSL	hsl(197, 57%, 36%)
HSV	hsv(197, 72%, 57%)
CMYK	cmyk(72.4%, 20.7%, 0%, 43.1%)
CIE-LAB	lab(45.30, -12.58, -22.98)
CIE-LCH	lch(45.30, 26.20, 241.30°)
OKLab	oklab(52.31% -0.0568 -0.0644)
OKLCH	oklch(52.31% 0.086 228.6)
XYZ	xyz(12.1146, 14.7555, 28.9922)
Luminance	0.1476 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#287391 #914628

analogous

#28917B #287391 #283F91

triadic

#287391 #912873 #739128

tetradic

#287391 #7B2891 #914628 #3F9128

square

#287391 #7B2891 #914628 #3F9128

split-complementary

#287391 #91283F #917B28

monochromatic

#0E2731 #1B4D61 #287391 #3599C1 #60B2D3

Accessibility & contrast

On white

5.31

#287391 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.95

#287391 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #287391

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##287391	#FFFFFF	#000000	##FFFFFF
##287391	1.00	5.31	3.95	5.31
#FFFFFF	5.31	1.00	21.00	1.00
#000000	3.95	21.00	1.00	21.00
##FFFFFF	5.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#637192

Deuteranopia (green-blind)

#556791

Tritanopia (blue-blind)

#007B7D

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #287391;
/* rgb */ color: rgb(40, 115, 145);
/* oklch */ color: oklch(52.3% 0.086 228.6);

Tailwind

colors: {
  custom: {
    50: '#709bb1',
    500: '#287391',
    950: '#000000',
  },
}

SCSS

$custom: #287391;
$custom-light: #709bb1;
$custom-dark: #000000;

JSON

{
  "hex": "#287391",
  "rgb": {
    "r": 40,
    "g": 115,
    "b": 145
  },
  "hsl": {
    "h": 197.143,
    "s": 56.757,
    "l": 36.275
  },
  "oklch": {
    "l": 0.5231,
    "c": 0.08593,
    "h": 228.6
  },
  "luminance": 0.14757
}

Semantic roles & 50–950 ramp

primary

#287391

secondary

#B9775C

accent

#7348E0

background

#F7F9FA

surface

#EDF2F5

border

#C8CCCF

text

#080E10

muted

#7B7E7F

Preview Lab

Preview with #287391

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

Preview Lab → · Contrast checker → · Palette generator →