#287FAA#287FAA

#287FAA is a mid, moderate cyan. Relative luminance 0.185; OKLCH L 56.5% C 0.104 H 234.8°. Best body text is #000000 at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#287FAA
RGB	rgb(40, 127, 170)
HSL	hsl(200, 62%, 41%)
HSV	hsv(200, 76%, 67%)
CMYK	cmyk(76.5%, 25.3%, 0%, 33.3%)
CIE-LAB	lab(50.13, -10.62, -30.13)
CIE-LCH	lch(50.13, 31.95, 250.59°)
OKLab	oklab(56.53% -0.0598 -0.0849)
OKLCH	oklch(56.53% 0.104 234.8)
XYZ	xyz(15.7172, 18.5303, 40.7708)
Luminance	0.1853 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#287FAA #AA5328

analogous

#28AA94 #287FAA #283EAA

triadic

#287FAA #AA287F #7FAA28

tetradic

#287FAA #9428AA #AA5328 #3EAA28

square

#287FAA #9428AA #AA5328 #3EAA28

split-complementary

#287FAA #AA283E #AA9428

monochromatic

#113547 #1C5A78 #287FAA #3EA1D2 #6FB9DD

Accessibility & contrast

On white

4.46

#287FAA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.71

#287FAA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #287FAA

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##287FAA	#FFFFFF	#000000	##000000
##287FAA	1.00	4.46	4.71	4.71
#FFFFFF	4.46	1.00	21.00	21.00
#000000	4.71	21.00	1.00	1.00
##000000	4.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A7EAC

Deuteranopia (green-blind)

#5972A9

Tritanopia (blue-blind)

#008A8E

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #287faa;
/* rgb */ color: rgb(40, 127, 170);
/* oklch */ color: oklch(56.5% 0.104 234.8);

Tailwind

colors: {
  custom: {
    50: '#75a4c3',
    500: '#287faa',
    950: '#000000',
  },
}

SCSS

$custom: #287faa;
$custom-light: #75a4c3;
$custom-dark: #000000;

JSON

{
  "hex": "#287faa",
  "rgb": {
    "r": 40,
    "g": 127,
    "b": 170
  },
  "hsl": {
    "h": 199.846,
    "s": 61.905,
    "l": 41.176
  },
  "oklch": {
    "l": 0.56529,
    "c": 0.1039,
    "h": 234.8
  },
  "luminance": 0.18532
}

Semantic roles & 50–950 ramp

primary

#287FAA

secondary

#C4886A

accent

#7843E5

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A0F12

muted

#7C7F81

Preview Lab

Preview with #287FAA

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

Preview Lab → · Contrast checker → · Palette generator →