#287AA5#287AA5

#287AA5 is a mid, moderate cyan. Relative luminance 0.171; OKLCH L 55.0% C 0.102 H 236.2°. Best body text is #FFFFFF at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#287AA5
RGB	rgb(40, 122, 165)
HSL	hsl(201, 61%, 40%)
HSV	hsv(201, 76%, 65%)
CMYK	cmyk(75.8%, 26.1%, 0%, 35.3%)
CIE-LAB	lab(48.37, -9.52, -29.98)
CIE-LCH	lch(48.37, 31.45, 252.38°)
OKLab	oklab(55.05% -0.0567 -0.0845)
OKLCH	oklch(55.05% 0.102 236.2)
XYZ	xyz(14.6234, 17.0851, 38.1171)
Luminance	0.1709 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#287AA5 #A55328

analogous

#28A591 #287AA5 #283BA5

triadic

#287AA5 #A5287A #7AA528

tetradic

#287AA5 #9128A5 #A55328 #3BA528

square

#287AA5 #9128A5 #A55328 #3BA528

split-complementary

#287AA5 #A5283B #A59128

monochromatic

#103142 #1C5674 #287AA5 #3B9CCF #6CB5DB

Accessibility & contrast

On white

4.75

#287AA5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.42

#287AA5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #287AA5

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##287AA5	#FFFFFF	#000000	##FFFFFF
##287AA5	1.00	4.75	4.42	4.75
#FFFFFF	4.75	1.00	21.00	1.00
#000000	4.42	21.00	1.00	21.00
##FFFFFF	4.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6579A7

Deuteranopia (green-blind)

#546EA4

Tritanopia (blue-blind)

#008589

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #287aa5;
/* rgb */ color: rgb(40, 122, 165);
/* oklch */ color: oklch(55.0% 0.102 236.2);

Tailwind

colors: {
  custom: {
    50: '#74a0c0',
    500: '#287aa5',
    950: '#000000',
  },
}

SCSS

$custom: #287aa5;
$custom-light: #74a0c0;
$custom-dark: #000000;

JSON

{
  "hex": "#287aa5",
  "rgb": {
    "r": 40,
    "g": 122,
    "b": 165
  },
  "hsl": {
    "h": 200.64,
    "s": 60.976,
    "l": 40.196
  },
  "oklch": {
    "l": 0.55049,
    "c": 0.10178,
    "h": 236.2
  },
  "luminance": 0.17087
}

Semantic roles & 50–950 ramp

primary

#287AA5

secondary

#C28667

accent

#7B44E4

background

#F7F9FB

surface

#EEF2F7

border

#C9CCD0

text

#090E12

muted

#7B7E81

Preview Lab

Preview with #287AA5

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

Preview Lab → · Contrast checker → · Palette generator →