#4271A3#4271A3

#4271A3 is a mid, moderate cyan. Relative luminance 0.156; OKLCH L 53.8% C 0.094 H 251.3°. Best body text is #FFFFFF at 5.09:1 contrast (WCAG AA passes).

Color values

HEX	#4271A3
RGB	rgb(66, 113, 163)
HSL	hsl(211, 42%, 45%)
HSV	hsv(211, 60%, 64%)
CMYK	cmyk(59.5%, 30.7%, 0%, 36.1%)
CIE-LAB	lab(46.46, -0.47, -31.72)
CIE-LCH	lch(46.46, 31.73, 269.15°)
OKLab	oklab(53.77% -0.0302 -0.0894)
OKLCH	oklch(53.77% 0.094 251.3)
XYZ	xyz(14.7604, 15.6115, 36.8787)
Luminance	0.1561 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4271A3 #A37442

analogous

#42A1A3 #4271A3 #4442A3

triadic

#4271A3 #A34271 #71A342

tetradic

#4271A3 #A342A1 #A37442 #42A344

square

#4271A3 #A342A1 #A37442 #42A344

split-complementary

#4271A3 #A34442 #A1A342

monochromatic

#1F354C #305377 #4271A3 #6390C0 #8EAFD1

Accessibility & contrast

On white

5.09

#4271A3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.12

#4271A3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4271A3

5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4271A3	#FFFFFF	#000000	##FFFFFF
##4271A3	1.00	5.09	4.12	5.09
#FFFFFF	5.09	1.00	21.00	1.00
#000000	4.12	21.00	1.00	21.00
##FFFFFF	5.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C73A5

Deuteranopia (green-blind)

#4F6AA2

Tritanopia (blue-blind)

#007D83

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #4271a3;
/* rgb */ color: rgb(66, 113, 163);
/* oklch */ color: oklch(53.8% 0.094 251.3);

Tailwind

colors: {
  custom: {
    50: '#7e99be',
    500: '#4271a3',
    950: '#000000',
  },
}

SCSS

$custom: #4271a3;
$custom-light: #7e99be;
$custom-dark: #000000;

JSON

{
  "hex": "#4271a3",
  "rgb": {
    "r": 66,
    "g": 113,
    "b": 163
  },
  "hsl": {
    "h": 210.928,
    "s": 42.358,
    "l": 44.902
  },
  "oklch": {
    "l": 0.53767,
    "c": 0.09435,
    "h": 251.3
  },
  "luminance": 0.15613
}

Semantic roles & 50–950 ramp

primary

#4271A3

secondary

#BCA184

accent

#9656D2

background

#F8F9FB

surface

#EFF2F7

border

#CACCD0

text

#0B0D12

muted

#7C7E81

Preview Lab

Preview with #4271A3

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

Preview Lab → · Contrast checker → · Palette generator →