#4271A4#4271A4

#4271A4 is a mid, moderate cyan. Relative luminance 0.156; OKLCH L 53.8% C 0.096 H 251.8°. Best body text is #FFFFFF at 5.08:1 contrast (WCAG AA passes).

Color values

HEX	#4271A4
RGB	rgb(66, 113, 164)
HSL	hsl(211, 43%, 45%)
HSV	hsv(211, 60%, 64%)
CMYK	cmyk(59.8%, 31.1%, 0%, 35.7%)
CIE-LAB	lab(46.51, -0.13, -32.23)
CIE-LCH	lch(46.51, 32.23, 269.76°)
OKLab	oklab(53.82% -0.0299 -0.0909)
OKLCH	oklch(53.82% 0.096 251.8)
XYZ	xyz(14.8503, 15.6475, 37.3524)
Luminance	0.1565 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4271A4 #A47542

analogous

#42A2A4 #4271A4 #4442A4

triadic

#4271A4 #A44271 #71A442

tetradic

#4271A4 #A442A2 #A47542 #42A444

square

#4271A4 #A442A2 #A47542 #42A444

split-complementary

#4271A4 #A44442 #A2A442

monochromatic

#1F354D #305378 #4271A4 #6390C0 #8FAFD2

Accessibility & contrast

On white

5.08

#4271A4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.13

#4271A4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4271A4

5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4271A4	#FFFFFF	#000000	##FFFFFF
##4271A4	1.00	5.08	4.13	5.08
#FFFFFF	5.08	1.00	21.00	1.00
#000000	4.13	21.00	1.00	21.00
##FFFFFF	5.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C73A6

Deuteranopia (green-blind)

#4F6AA3

Tritanopia (blue-blind)

#007D83

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #4271a4;
/* rgb */ color: rgb(66, 113, 164);
/* oklch */ color: oklch(53.8% 0.096 251.8);

Tailwind

colors: {
  custom: {
    50: '#7f99bf',
    500: '#4271a4',
    950: '#000000',
  },
}

SCSS

$custom: #4271a4;
$custom-light: #7f99bf;
$custom-dark: #000000;

JSON

{
  "hex": "#4271a4",
  "rgb": {
    "r": 66,
    "g": 113,
    "b": 164
  },
  "hsl": {
    "h": 211.224,
    "s": 42.609,
    "l": 45.098
  },
  "oklch": {
    "l": 0.53821,
    "c": 0.09567,
    "h": 251.8
  },
  "luminance": 0.15649
}

Semantic roles & 50–950 ramp

primary

#4271A4

secondary

#BDA285

accent

#9655D2

background

#F8F9FB

surface

#EFF2F7

border

#CACCD0

text

#0B0D12

muted

#7C7E81

Preview Lab

Preview with #4271A4

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

Preview Lab → · Contrast checker → · Palette generator →