#287AA3#287AA3

#287AA3 is a mid, moderate cyan. Relative luminance 0.170; OKLCH L 54.9% C 0.100 H 234.9°. Best body text is #FFFFFF at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#287AA3
RGB	rgb(40, 122, 163)
HSL	hsl(200, 61%, 40%)
HSV	hsv(200, 75%, 64%)
CMYK	cmyk(75.5%, 25.2%, 0%, 36.1%)
CIE-LAB	lab(48.28, -10.24, -28.95)
CIE-LCH	lch(48.28, 30.71, 250.52°)
OKLab	oklab(54.95% -0.0574 -0.0816)
OKLCH	oklch(54.95% 0.1 234.9)
XYZ	xyz(14.4428, 17.0128, 37.1658)
Luminance	0.1701 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#287AA3 #A35128

analogous

#28A38F #287AA3 #283DA3

triadic

#287AA3 #A3287A #7AA328

tetradic

#287AA3 #8F28A3 #A35128 #3DA328

square

#287AA3 #8F28A3 #A35128 #3DA328

split-complementary

#287AA3 #A3283D #A38F28

monochromatic

#103041 #1C5572 #287AA3 #3A9DCF #6BB5DB

Accessibility & contrast

On white

4.77

#287AA3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.40

#287AA3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #287AA3

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##287AA3	#FFFFFF	#000000	##FFFFFF
##287AA3	1.00	4.77	4.40	4.77
#FFFFFF	4.77	1.00	21.00	1.00
#000000	4.40	21.00	1.00	21.00
##FFFFFF	4.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6679A5

Deuteranopia (green-blind)

#556DA2

Tritanopia (blue-blind)

#008588

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #287aa3;
/* rgb */ color: rgb(40, 122, 163);
/* oklch */ color: oklch(54.9% 0.100 234.9);

Tailwind

colors: {
  custom: {
    50: '#74a0be',
    500: '#287aa3',
    950: '#000000',
  },
}

SCSS

$custom: #287aa3;
$custom-light: #74a0be;
$custom-dark: #000000;

JSON

{
  "hex": "#287aa3",
  "rgb": {
    "r": 40,
    "g": 122,
    "b": 163
  },
  "hsl": {
    "h": 200,
    "s": 60.591,
    "l": 39.804
  },
  "oklch": {
    "l": 0.54947,
    "c": 0.09973,
    "h": 234.9
  },
  "luminance": 0.17015
}

Semantic roles & 50–950 ramp

primary

#287AA3

secondary

#C18466

accent

#7944E4

background

#F7F9FB

surface

#EEF2F7

border

#C9CCD0

text

#090E12

muted

#7B7E81

Preview Lab

Preview with #287AA3

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

Preview Lab → · Contrast checker → · Palette generator →