#4271AC#4271AC

#4271AC is a mid, moderate cyan. Relative luminance 0.159; OKLCH L 54.3% C 0.106 H 254.9°. Best body text is #FFFFFF at 5.01:1 contrast (WCAG AA passes).

Color values

HEX	#4271AC
RGB	rgb(66, 113, 172)
HSL	hsl(213, 45%, 47%)
HSV	hsv(213, 62%, 67%)
CMYK	cmyk(61.6%, 34.3%, 0%, 32.5%)
CIE-LAB	lab(46.90, 2.60, -36.30)
CIE-LCH	lch(46.90, 36.39, 274.09°)
OKLab	oklab(54.26% -0.0276 -0.1027)
OKLCH	oklch(54.26% 0.106 254.9)
XYZ	xyz(15.5956, 15.9456, 41.2777)
Luminance	0.1595 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4271AC #AC7D42

analogous

#42A6AC #4271AC #4842AC

triadic

#4271AC #AC4271 #71AC42

tetradic

#4271AC #AC42A6 #AC7D42 #42AC48

square

#4271AC #AC42A6 #AC7D42 #42AC48

split-complementary

#4271AC #AC4842 #A6AC42

monochromatic

#203754 #315480 #4271AC #6790C5 #93B0D6

Accessibility & contrast

On white

5.01

#4271AC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.19

#4271AC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4271AC

5.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4271AC	#FFFFFF	#000000	##FFFFFF
##4271AC	1.00	5.01	4.19	5.01
#FFFFFF	5.01	1.00	21.00	1.00
#000000	4.19	21.00	1.00	21.00
##FFFFFF	5.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5875AE

Deuteranopia (green-blind)

#4A6BAB

Tritanopia (blue-blind)

#007E86

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #4271ac;
/* rgb */ color: rgb(66, 113, 172);
/* oklch */ color: oklch(54.3% 0.106 254.9);

Tailwind

colors: {
  custom: {
    50: '#8099c5',
    500: '#4271ac',
    950: '#000000',
  },
}

SCSS

$custom: #4271ac;
$custom-light: #8099c5;
$custom-dark: #000000;

JSON

{
  "hex": "#4271ac",
  "rgb": {
    "r": 66,
    "g": 113,
    "b": 172
  },
  "hsl": {
    "h": 213.396,
    "s": 44.538,
    "l": 46.667
  },
  "oklch": {
    "l": 0.54259,
    "c": 0.10634,
    "h": 254.9
  },
  "luminance": 0.15947
}

Semantic roles & 50–950 ramp

primary

#4271AC

secondary

#C1A889

accent

#9B54D4

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0D13

muted

#7C7E82

Preview Lab

Preview with #4271AC

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

Preview Lab → · Contrast checker → · Palette generator →