#4287AD#4287AD

#4287AD is a mid, moderate cyan. Relative luminance 0.215; OKLCH L 59.5% C 0.091 H 235.2°. Best body text is #000000 at 5.30:1 contrast (WCAG AA passes).

Color values

HEX	#4287AD
RGB	rgb(66, 135, 173)
HSL	hsl(201, 45%, 47%)
HSV	hsv(201, 62%, 68%)
CMYK	cmyk(61.8%, 22%, 0%, 32.2%)
CIE-LAB	lab(53.49, -10.03, -26.58)
CIE-LCH	lch(53.49, 28.41, 249.32°)
OKLab	oklab(59.47% -0.0517 -0.0744)
OKLCH	oklch(59.47% 0.091 235.2)
XYZ	xyz(18.4507, 21.5015, 42.7049)
Luminance	0.2150 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4287AD #AD6842

analogous

#42AD9E #4287AD #4252AD

triadic

#4287AD #AD4287 #87AD42

tetradic

#4287AD #9E42AD #AD6842 #52AD42

square

#4287AD #9E42AD #AD6842 #52AD42

split-complementary

#4287AD #AD4252 #AD9E42

monochromatic

#204254 #316481 #4287AD #67A4C5 #93BED6

Accessibility & contrast

On white

3.96

#4287AD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.30

#4287AD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4287AD

5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4287AD	#FFFFFF	#000000	##000000
##4287AD	1.00	3.96	5.30	5.30
#FFFFFF	3.96	1.00	21.00	21.00
#000000	5.30	21.00	1.00	1.00
##000000	5.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7586AF

Deuteranopia (green-blind)

#667BAC

Tritanopia (blue-blind)

#009194

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #4287ad;
/* rgb */ color: rgb(66, 135, 173);
/* oklch */ color: oklch(59.5% 0.091 235.2);

Tailwind

colors: {
  custom: {
    50: '#80aac5',
    500: '#4287ad',
    950: '#000000',
  },
}

SCSS

$custom: #4287ad;
$custom-light: #80aac5;
$custom-dark: #000000;

JSON

{
  "hex": "#4287ad",
  "rgb": {
    "r": 66,
    "g": 135,
    "b": 173
  },
  "hsl": {
    "h": 201.308,
    "s": 44.77,
    "l": 46.863
  },
  "oklch": {
    "l": 0.5947,
    "c": 0.09058,
    "h": 235.2
  },
  "luminance": 0.21503
}

Semantic roles & 50–950 ramp

primary

#4287AD

secondary

#C19D89

accent

#8153D4

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #4287AD

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

Preview Lab → · Contrast checker → · Palette generator →