#4271AA#4271AA

#4271AA is a mid, moderate cyan. Relative luminance 0.159; OKLCH L 54.1% C 0.104 H 254.2°. Best body text is #FFFFFF at 5.03:1 contrast (WCAG AA passes).

Color values

HEX	#4271AA
RGB	rgb(66, 113, 170)
HSL	hsl(213, 44%, 46%)
HSV	hsv(213, 61%, 67%)
CMYK	cmyk(61.2%, 33.5%, 0%, 33.3%)
CIE-LAB	lab(46.80, 1.91, -35.29)
CIE-LCH	lch(46.80, 35.34, 273.10°)
OKLab	oklab(54.15% -0.0282 -0.0997)
OKLCH	oklch(54.15% 0.104 254.2)
XYZ	xyz(15.4050, 15.8694, 40.2737)
Luminance	0.1587 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4271AA #AA7B42

analogous

#42A5AA #4271AA #4742AA

triadic

#4271AA #AA4271 #71AA42

tetradic

#4271AA #AA42A5 #AA7B42 #42AA47

square

#4271AA #AA42A5 #AA7B42 #42AA47

split-complementary

#4271AA #AA4742 #A5AA42

monochromatic

#203652 #31547E #4271AA #6690C3 #92B0D5

Accessibility & contrast

On white

5.03

#4271AA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.17

#4271AA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4271AA

5.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4271AA	#FFFFFF	#000000	##FFFFFF
##4271AA	1.00	5.03	4.17	5.03
#FFFFFF	5.03	1.00	21.00	1.00
#000000	4.17	21.00	1.00	21.00
##FFFFFF	5.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5974AC

Deuteranopia (green-blind)

#4B6AA9

Tritanopia (blue-blind)

#007E86

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #4271aa;
/* rgb */ color: rgb(66, 113, 170);
/* oklch */ color: oklch(54.1% 0.104 254.2);

Tailwind

colors: {
  custom: {
    50: '#7f99c3',
    500: '#4271aa',
    950: '#000000',
  },
}

SCSS

$custom: #4271aa;
$custom-light: #7f99c3;
$custom-dark: #000000;

JSON

{
  "hex": "#4271aa",
  "rgb": {
    "r": 66,
    "g": 113,
    "b": 170
  },
  "hsl": {
    "h": 212.885,
    "s": 44.068,
    "l": 46.275
  },
  "oklch": {
    "l": 0.54148,
    "c": 0.10364,
    "h": 254.2
  },
  "luminance": 0.15871
}

Semantic roles & 50–950 ramp

primary

#4271AA

secondary

#C0A788

accent

#9A54D4

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0D12

muted

#7C7E81

Preview Lab

Preview with #4271AA

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

Preview Lab → · Contrast checker → · Palette generator →