#4271D0#4271D0

#4271D0 is a mid, vivid blue. Relative luminance 0.175; OKLCH L 56.5% C 0.155 H 262.7°. Best body text is #FFFFFF at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#4271D0
RGB	rgb(66, 113, 208)
HSL	hsl(220, 60%, 54%)
HSV	hsv(220, 68%, 82%)
CMYK	cmyk(68.3%, 45.7%, 0%, 18.4%)
CIE-LAB	lab(48.91, 15.28, -53.87)
CIE-LCH	lch(48.91, 56.00, 285.84°)
OKLab	oklab(56.47% -0.0198 -0.1542)
OKLCH	oklch(56.47% 0.155 262.7)
XYZ	xyz(19.5330, 17.5206, 62.0147)
Luminance	0.1752 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4271D0 #D0A142

analogous

#42B8D0 #4271D0 #5A42D0

triadic

#4271D0 #D04271 #71D042

tetradic

#4271D0 #D042B8 #D0A142 #42D05A

square

#4271D0 #D042B8 #D0A142 #42D05A

split-complementary

#4271D0 #D05A42 #B8D042

monochromatic

#1E3C79 #2A55AA #4271D0 #7396DC #A4BBE8

Accessibility & contrast

On white

4.66

#4271D0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.50

#4271D0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #4271D0

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4271D0	#FFFFFF	#000000	##FFFFFF
##4271D0	1.00	4.66	4.50	4.66
#FFFFFF	4.66	1.00	21.00	1.00
#000000	4.50	21.00	1.00	21.00
##FFFFFF	4.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#417BD4

Deuteranopia (green-blind)

#256ECE

Tritanopia (blue-blind)

#008796

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #4271d0;
/* rgb */ color: rgb(66, 113, 208);
/* oklch */ color: oklch(56.5% 0.155 262.7);

Tailwind

colors: {
  custom: {
    50: '#8699df',
    500: '#4271d0',
    950: '#000000',
  },
}

SCSS

$custom: #4271d0;
$custom-light: #8699df;
$custom-dark: #000000;

JSON

{
  "hex": "#4271d0",
  "rgb": {
    "r": 66,
    "g": 113,
    "b": 208
  },
  "hsl": {
    "h": 220.141,
    "s": 60.169,
    "l": 53.725
  },
  "oklch": {
    "l": 0.56465,
    "c": 0.15547,
    "h": 262.7
  },
  "luminance": 0.17523
}

Semantic roles & 50–950 ramp

primary

#4271D0

secondary

#D5C199

accent

#AF44E3

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #4271D0

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

Preview Lab → · Contrast checker → · Palette generator →