#4271A5#4271A5

#4271A5 is a mid, moderate cyan. Relative luminance 0.157; OKLCH L 53.9% C 0.097 H 252.2°. Best body text is #FFFFFF at 5.08:1 contrast (WCAG AA passes).

Color values

HEX	#4271A5
RGB	rgb(66, 113, 165)
HSL	hsl(212, 43%, 45%)
HSV	hsv(212, 60%, 65%)
CMYK	cmyk(60%, 31.5%, 0%, 35.3%)
CIE-LAB	lab(46.56, 0.20, -32.74)
CIE-LCH	lch(46.56, 32.74, 270.36°)
OKLab	oklab(53.87% -0.0296 -0.0923)
OKLCH	oklch(53.87% 0.097 252.2)
XYZ	xyz(14.9410, 15.6838, 37.8299)
Luminance	0.1568 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4271A5 #A57642

analogous

#42A2A5 #4271A5 #4442A5

triadic

#4271A5 #A54271 #71A542

tetradic

#4271A5 #A542A2 #A57642 #42A544

square

#4271A5 #A542A2 #A57642 #42A544

split-complementary

#4271A5 #A54442 #A2A542

monochromatic

#1F354E #315379 #4271A5 #6390C1 #8FAFD2

Accessibility & contrast

On white

5.08

#4271A5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.14

#4271A5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4271A5

5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4271A5	#FFFFFF	#000000	##FFFFFF
##4271A5	1.00	5.08	4.14	5.08
#FFFFFF	5.08	1.00	21.00	1.00
#000000	4.14	21.00	1.00	21.00
##FFFFFF	5.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B74A7

Deuteranopia (green-blind)

#4E6AA4

Tritanopia (blue-blind)

#007D83

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #4271a5;
/* rgb */ color: rgb(66, 113, 165);
/* oklch */ color: oklch(53.9% 0.097 252.2);

Tailwind

colors: {
  custom: {
    50: '#7f99c0',
    500: '#4271a5',
    950: '#000000',
  },
}

SCSS

$custom: #4271a5;
$custom-light: #7f99c0;
$custom-dark: #000000;

JSON

{
  "hex": "#4271a5",
  "rgb": {
    "r": 66,
    "g": 113,
    "b": 165
  },
  "hsl": {
    "h": 211.515,
    "s": 42.857,
    "l": 45.294
  },
  "oklch": {
    "l": 0.53875,
    "c": 0.09699,
    "h": 252.2
  },
  "luminance": 0.15685
}

Semantic roles & 50–950 ramp

primary

#4271A5

secondary

#BDA385

accent

#9755D3

background

#F8F9FB

surface

#EFF2F7

border

#CACCD0

text

#0B0D12

muted

#7C7E81

Preview Lab

Preview with #4271A5

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

Preview Lab → · Contrast checker → · Palette generator →