#287AA1#287AA1

#287AA1 is a mid, moderate cyan. Relative luminance 0.169; OKLCH L 54.8% C 0.098 H 233.5°. Best body text is #FFFFFF at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#287AA1
RGB	rgb(40, 122, 161)
HSL	hsl(199, 60%, 39%)
HSV	hsv(199, 75%, 63%)
CMYK	cmyk(75.2%, 24.2%, 0%, 36.9%)
CIE-LAB	lab(48.19, -10.95, -27.92)
CIE-LCH	lch(48.19, 29.99, 248.59°)
OKLab	oklab(54.85% -0.0581 -0.0786)
OKLCH	oklch(54.85% 0.098 233.5)
XYZ	xyz(14.2651, 16.9417, 36.2296)
Luminance	0.1694 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#287AA1 #A14F28

analogous

#28A18C #287AA1 #283EA1

triadic

#287AA1 #A1287A #7AA128

tetradic

#287AA1 #8C28A1 #A14F28 #3EA128

square

#287AA1 #8C28A1 #A14F28 #3EA128

split-complementary

#287AA1 #A1283E #A18C28

monochromatic

#10303F #1C5570 #287AA1 #399ECE #6AB6DA

Accessibility & contrast

On white

4.79

#287AA1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.39

#287AA1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #287AA1

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##287AA1	#FFFFFF	#000000	##FFFFFF
##287AA1	1.00	4.79	4.39	4.79
#FFFFFF	4.79	1.00	21.00	1.00
#000000	4.39	21.00	1.00	21.00
##FFFFFF	4.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6779A3

Deuteranopia (green-blind)

#566DA0

Tritanopia (blue-blind)

#008487

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #287aa1;
/* rgb */ color: rgb(40, 122, 161);
/* oklch */ color: oklch(54.8% 0.098 233.5);

Tailwind

colors: {
  custom: {
    50: '#73a0bd',
    500: '#287aa1',
    950: '#000000',
  },
}

SCSS

$custom: #287aa1;
$custom-light: #73a0bd;
$custom-dark: #000000;

JSON

{
  "hex": "#287aa1",
  "rgb": {
    "r": 40,
    "g": 122,
    "b": 161
  },
  "hsl": {
    "h": 199.339,
    "s": 60.199,
    "l": 39.412
  },
  "oklch": {
    "l": 0.54846,
    "c": 0.09774,
    "h": 233.5
  },
  "luminance": 0.16943
}

Semantic roles & 50–950 ramp

primary

#287AA1

secondary

#C08265

accent

#7844E3

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#090E12

muted

#7B7E81

Preview Lab

Preview with #287AA1

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

Preview Lab → · Contrast checker → · Palette generator →