#4288AD#4288AD

#4288AD is a mid, moderate cyan. Relative luminance 0.218; OKLCH L 59.7% C 0.090 H 234.2°. Best body text is #000000 at 5.36:1 contrast (WCAG AA passes).

Color values

HEX	#4288AD
RGB	rgb(66, 136, 173)
HSL	hsl(201, 45%, 47%)
HSV	hsv(201, 62%, 68%)
CMYK	cmyk(61.8%, 21.4%, 0%, 32.2%)
CIE-LAB	lab(53.79, -10.60, -26.12)
CIE-LCH	lch(53.79, 28.18, 247.91°)
OKLab	oklab(59.71% -0.0528 -0.0731)
OKLCH	oklch(59.71% 0.09 234.2)
XYZ	xyz(18.5909, 21.7819, 42.7516)
Luminance	0.2178 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4288AD #AD6742

analogous

#42AD9D #4288AD #4252AD

triadic

#4288AD #AD4288 #88AD42

tetradic

#4288AD #9D42AD #AD6742 #52AD42

square

#4288AD #9D42AD #AD6742 #52AD42

split-complementary

#4288AD #AD4252 #AD9D42

monochromatic

#204254 #316581 #4288AD #67A5C5 #93BFD6

Accessibility & contrast

On white

3.92

#4288AD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.36

#4288AD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4288AD

5.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4288AD	#FFFFFF	#000000	##000000
##4288AD	1.00	3.92	5.36	5.36
#FFFFFF	3.92	1.00	21.00	21.00
#000000	5.36	21.00	1.00	1.00
##000000	5.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7687AF

Deuteranopia (green-blind)

#677CAC

Tritanopia (blue-blind)

#009294

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #4288ad;
/* rgb */ color: rgb(66, 136, 173);
/* oklch */ color: oklch(59.7% 0.090 234.2);

Tailwind

colors: {
  custom: {
    50: '#80aac5',
    500: '#4288ad',
    950: '#000000',
  },
}

SCSS

$custom: #4288ad;
$custom-light: #80aac5;
$custom-dark: #000000;

JSON

{
  "hex": "#4288ad",
  "rgb": {
    "r": 66,
    "g": 136,
    "b": 173
  },
  "hsl": {
    "h": 200.748,
    "s": 44.77,
    "l": 46.863
  },
  "oklch": {
    "l": 0.59709,
    "c": 0.09013,
    "h": 234.2
  },
  "luminance": 0.21784
}

Semantic roles & 50–950 ramp

primary

#4288AD

secondary

#C19D89

accent

#8053D4

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #4288AD

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

Preview Lab → · Contrast checker → · Palette generator →