#4288AF#4288AF

#4288AF is a mid, moderate cyan. Relative luminance 0.219; OKLCH L 59.8% C 0.092 H 235.6°. Best body text is #000000 at 5.37:1 contrast (WCAG AA passes).

Color values

HEX	#4288AF
RGB	rgb(66, 136, 175)
HSL	hsl(201, 45%, 47%)
HSV	hsv(201, 62%, 69%)
CMYK	cmyk(62.3%, 22.3%, 0%, 31.4%)
CIE-LAB	lab(53.88, -9.95, -27.14)
CIE-LCH	lch(53.88, 28.90, 249.87°)
OKLab	oklab(59.8% -0.052 -0.076)
OKLCH	oklch(59.8% 0.092 235.6)
XYZ	xyz(18.7858, 21.8599, 43.7785)
Luminance	0.2186 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4288AF #AF6942

analogous

#42AFA0 #4288AF #4252AF

triadic

#4288AF #AF4288 #88AF42

tetradic

#4288AF #A042AF #AF6942 #52AF42

square

#4288AF #A042AF #AF6942 #52AF42

split-complementary

#4288AF #AF4252 #AFA042

monochromatic

#204356 #316583 #4288AF #68A4C6 #95BFD7

Accessibility & contrast

On white

3.91

#4288AF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.37

#4288AF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4288AF

5.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4288AF	#FFFFFF	#000000	##000000
##4288AF	1.00	3.91	5.37	5.37
#FFFFFF	3.91	1.00	21.00	21.00
#000000	5.37	21.00	1.00	1.00
##000000	5.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7687B1

Deuteranopia (green-blind)

#667CAE

Tritanopia (blue-blind)

#009295

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #4288af;
/* rgb */ color: rgb(66, 136, 175);
/* oklch */ color: oklch(59.8% 0.092 235.6);

Tailwind

colors: {
  custom: {
    50: '#81aac7',
    500: '#4288af',
    950: '#000000',
  },
}

SCSS

$custom: #4288af;
$custom-light: #81aac7;
$custom-dark: #000000;

JSON

{
  "hex": "#4288af",
  "rgb": {
    "r": 66,
    "g": 136,
    "b": 175
  },
  "hsl": {
    "h": 201.468,
    "s": 45.228,
    "l": 47.255
  },
  "oklch": {
    "l": 0.59803,
    "c": 0.09212,
    "h": 235.6
  },
  "luminance": 0.21862
}

Semantic roles & 50–950 ramp

primary

#4288AF

secondary

#C29E8A

accent

#8153D5

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #4288AF

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

Preview Lab → · Contrast checker → · Palette generator →