#287DA2#287DA2

#287DA2 is a mid, moderate cyan. Relative luminance 0.177; OKLCH L 55.6% C 0.097 H 231.3°. Best body text is #FFFFFF at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#287DA2
RGB	rgb(40, 125, 162)
HSL	hsl(198, 60%, 40%)
HSV	hsv(198, 75%, 64%)
CMYK	cmyk(75.3%, 22.8%, 0%, 36.5%)
CIE-LAB	lab(49.16, -12.31, -26.99)
CIE-LCH	lch(49.16, 29.67, 245.48°)
OKLab	oklab(55.64% -0.0607 -0.0759)
OKLCH	oklch(55.64% 0.097 231.3)
XYZ	xyz(14.7276, 17.7253, 36.8205)
Luminance	0.1773 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#287DA2 #A24D28

analogous

#28A28A #287DA2 #2840A2

triadic

#287DA2 #A2287D #7DA228

tetradic

#287DA2 #8A28A2 #A24D28 #40A228

square

#287DA2 #8A28A2 #A24D28 #40A228

split-complementary

#287DA2 #A22840 #A28A28

monochromatic

#103140 #1C5771 #287DA2 #39A1CE #6AB8DA

Accessibility & contrast

On white

4.62

#287DA2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.55

#287DA2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #287DA2

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##287DA2	#FFFFFF	#000000	##FFFFFF
##287DA2	1.00	4.62	4.55	4.62
#FFFFFF	4.62	1.00	21.00	1.00
#000000	4.55	21.00	1.00	21.00
##FFFFFF	4.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A7BA4

Deuteranopia (green-blind)

#5A70A1

Tritanopia (blue-blind)

#008789

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #287da2;
/* rgb */ color: rgb(40, 125, 162);
/* oklch */ color: oklch(55.6% 0.097 231.3);

Tailwind

colors: {
  custom: {
    50: '#74a2bd',
    500: '#287da2',
    950: '#000000',
  },
}

SCSS

$custom: #287da2;
$custom-light: #74a2bd;
$custom-dark: #000000;

JSON

{
  "hex": "#287da2",
  "rgb": {
    "r": 40,
    "g": 125,
    "b": 162
  },
  "hsl": {
    "h": 198.197,
    "s": 60.396,
    "l": 39.608
  },
  "oklch": {
    "l": 0.55638,
    "c": 0.09721,
    "h": 231.3
  },
  "luminance": 0.17727
}

Semantic roles & 50–950 ramp

primary

#287DA2

secondary

#C18165

accent

#7544E4

background

#F7FAFB

surface

#EEF3F6

border

#C9CDD0

text

#090F12

muted

#7B7F81

Preview Lab

Preview with #287DA2

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

Preview Lab → · Contrast checker → · Palette generator →