#287CAA#287CAA

#287CAA is a mid, moderate cyan. Relative luminance 0.178; OKLCH L 55.8% C 0.106 H 237.4°. Best body text is #FFFFFF at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#287CAA
RGB	rgb(40, 124, 170)
HSL	hsl(201, 62%, 41%)
HSV	hsv(201, 76%, 67%)
CMYK	cmyk(76.5%, 27.1%, 0%, 33.3%)
CIE-LAB	lab(49.21, -8.89, -31.57)
CIE-LCH	lch(49.21, 32.80, 254.28°)
OKLab	oklab(55.8% -0.0569 -0.0891)
OKLCH	oklch(55.8% 0.106 237.4)
XYZ	xyz(15.3355, 17.7669, 40.6435)
Luminance	0.1777 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#287CAA #AA5628

analogous

#28AA97 #287CAA #283BAA

triadic

#287CAA #AA287C #7CAA28

tetradic

#287CAA #9728AA #AA5628 #3BAA28

square

#287CAA #9728AA #AA5628 #3BAA28

split-complementary

#287CAA #AA283B #AA9728

monochromatic

#113447 #1C5878 #287CAA #3E9DD2 #6FB6DD

Accessibility & contrast

On white

4.61

#287CAA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.55

#287CAA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #287CAA

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##287CAA	#FFFFFF	#000000	##FFFFFF
##287CAA	1.00	4.61	4.55	4.61
#FFFFFF	4.61	1.00	21.00	1.00
#000000	4.55	21.00	1.00	21.00
##FFFFFF	4.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#667CAC

Deuteranopia (green-blind)

#5470A9

Tritanopia (blue-blind)

#00888C

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #287caa;
/* rgb */ color: rgb(40, 124, 170);
/* oklch */ color: oklch(55.8% 0.106 237.4);

Tailwind

colors: {
  custom: {
    50: '#75a1c3',
    500: '#287caa',
    950: '#000000',
  },
}

SCSS

$custom: #287caa;
$custom-light: #75a1c3;
$custom-dark: #000000;

JSON

{
  "hex": "#287caa",
  "rgb": {
    "r": 40,
    "g": 124,
    "b": 170
  },
  "hsl": {
    "h": 201.231,
    "s": 61.905,
    "l": 41.176
  },
  "oklch": {
    "l": 0.55797,
    "c": 0.10575,
    "h": 237.4
  },
  "luminance": 0.17769
}

Semantic roles & 50–950 ramp

primary

#287CAA

secondary

#C48A6A

accent

#7C43E5

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0F12

muted

#7C7E81

Preview Lab

Preview with #287CAA

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

Preview Lab → · Contrast checker → · Palette generator →