#287EAA#287EAA

#287EAA is a mid, moderate cyan. Relative luminance 0.183; OKLCH L 56.3% C 0.104 H 235.7°. Best body text is #000000 at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#287EAA
RGB	rgb(40, 126, 170)
HSL	hsl(200, 62%, 41%)
HSV	hsv(200, 76%, 67%)
CMYK	cmyk(76.5%, 25.9%, 0%, 33.3%)
CIE-LAB	lab(49.83, -10.04, -30.61)
CIE-LCH	lch(49.83, 32.22, 251.84°)
OKLab	oklab(56.29% -0.0589 -0.0863)
OKLCH	oklch(56.29% 0.104 235.7)
XYZ	xyz(15.5887, 18.2733, 40.7279)
Luminance	0.1827 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#287EAA #AA5428

analogous

#28AA95 #287EAA #283DAA

triadic

#287EAA #AA287E #7EAA28

tetradic

#287EAA #9528AA #AA5428 #3DAA28

square

#287EAA #9528AA #AA5428 #3DAA28

split-complementary

#287EAA #AA283D #AA9528

monochromatic

#113547 #1C5978 #287EAA #3E9FD2 #6FB8DD

Accessibility & contrast

On white

4.51

#287EAA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.66

#287EAA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #287EAA

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##287EAA	#FFFFFF	#000000	##000000
##287EAA	1.00	4.51	4.66	4.66
#FFFFFF	4.51	1.00	21.00	21.00
#000000	4.66	21.00	1.00	1.00
##000000	4.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#697DAC

Deuteranopia (green-blind)

#5771A9

Tritanopia (blue-blind)

#00898D

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #287eaa;
/* rgb */ color: rgb(40, 126, 170);
/* oklch */ color: oklch(56.3% 0.104 235.7);

Tailwind

colors: {
  custom: {
    50: '#75a3c3',
    500: '#287eaa',
    950: '#000000',
  },
}

SCSS

$custom: #287eaa;
$custom-light: #75a3c3;
$custom-dark: #000000;

JSON

{
  "hex": "#287eaa",
  "rgb": {
    "r": 40,
    "g": 126,
    "b": 170
  },
  "hsl": {
    "h": 200.308,
    "s": 61.905,
    "l": 41.176
  },
  "oklch": {
    "l": 0.56285,
    "c": 0.10449,
    "h": 235.7
  },
  "luminance": 0.18275
}

Semantic roles & 50–950 ramp

primary

#287EAA

secondary

#C4886A

accent

#7A43E5

background

#F7FAFC

surface

#EEF3F8

border

#C9CDD1

text

#0A0F12

muted

#7C7F81

Preview Lab

Preview with #287EAA

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

Preview Lab → · Contrast checker → · Palette generator →