#4271AF#4271AF

#4271AF is a mid, moderate cyan. Relative luminance 0.161; OKLCH L 54.4% C 0.110 H 255.9°. Best body text is #FFFFFF at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#4271AF
RGB	rgb(66, 113, 175)
HSL	hsl(214, 45%, 47%)
HSV	hsv(214, 62%, 69%)
CMYK	cmyk(62.3%, 35.4%, 0%, 31.4%)
CIE-LAB	lab(47.06, 3.63, -37.80)
CIE-LCH	lch(47.06, 37.98, 275.49°)
OKLab	oklab(54.43% -0.0268 -0.1071)
OKLCH	oklch(54.43% 0.11 255.9)
XYZ	xyz(15.8870, 16.0622, 42.8122)
Luminance	0.1606 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4271AF #AF8042

analogous

#42A8AF #4271AF #4942AF

triadic

#4271AF #AF4271 #71AF42

tetradic

#4271AF #AF42A8 #AF8042 #42AF49

square

#4271AF #AF42A8 #AF8042 #42AF49

split-complementary

#4271AF #AF4942 #A8AF42

monochromatic

#203856 #315483 #4271AF #6891C6 #95B1D7

Accessibility & contrast

On white

4.98

#4271AF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.21

#4271AF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4271AF

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4271AF	#FFFFFF	#000000	##FFFFFF
##4271AF	1.00	4.98	4.21	4.98
#FFFFFF	4.98	1.00	21.00	1.00
#000000	4.21	21.00	1.00	21.00
##FFFFFF	4.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5775B2

Deuteranopia (green-blind)

#486BAE

Tritanopia (blue-blind)

#007F88

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #4271af;
/* rgb */ color: rgb(66, 113, 175);
/* oklch */ color: oklch(54.4% 0.110 255.9);

Tailwind

colors: {
  custom: {
    50: '#8099c7',
    500: '#4271af',
    950: '#000000',
  },
}

SCSS

$custom: #4271af;
$custom-light: #8099c7;
$custom-dark: #000000;

JSON

{
  "hex": "#4271af",
  "rgb": {
    "r": 66,
    "g": 113,
    "b": 175
  },
  "hsl": {
    "h": 214.128,
    "s": 45.228,
    "l": 47.255
  },
  "oklch": {
    "l": 0.54429,
    "c": 0.11039,
    "h": 255.9
  },
  "luminance": 0.16064
}

Semantic roles & 50–950 ramp

primary

#4271AF

secondary

#C2AA8A

accent

#9D53D5

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0D13

muted

#7C7E82

Preview Lab

Preview with #4271AF

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

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