#4271B2#4271B2

#4271B2 is a mid, moderate cyan. Relative luminance 0.162; OKLCH L 54.6% C 0.114 H 256.9°. Best body text is #FFFFFF at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#4271B2
RGB	rgb(66, 113, 178)
HSL	hsl(215, 46%, 48%)
HSV	hsv(215, 63%, 70%)
CMYK	cmyk(62.9%, 36.5%, 0%, 30.2%)
CIE-LAB	lab(47.21, 4.67, -39.30)
CIE-LCH	lch(47.21, 39.58, 276.78°)
OKLab	oklab(54.6% -0.026 -0.1115)
OKLCH	oklch(54.6% 0.114 256.9)
XYZ	xyz(16.1849, 16.1814, 44.3812)
Luminance	0.1618 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4271B2 #B28342

analogous

#42A9B2 #4271B2 #4B42B2

triadic

#4271B2 #B24271 #71B242

tetradic

#4271B2 #B242A9 #B28342 #42B24B

square

#4271B2 #B242A9 #B28342 #42B24B

split-complementary

#4271B2 #B24B42 #A9B242

monochromatic

#213859 #315585 #4271B2 #6A91C8 #96B2D8

Accessibility & contrast

On white

4.96

#4271B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.24

#4271B2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4271B2

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4271B2	#FFFFFF	#000000	##FFFFFF
##4271B2	1.00	4.96	4.24	4.96
#FFFFFF	4.96	1.00	21.00	1.00
#000000	4.24	21.00	1.00	21.00
##FFFFFF	4.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5576B5

Deuteranopia (green-blind)

#466BB1

Tritanopia (blue-blind)

#008089

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #4271b2;
/* rgb */ color: rgb(66, 113, 178);
/* oklch */ color: oklch(54.6% 0.114 256.9);

Tailwind

colors: {
  custom: {
    50: '#8199c9',
    500: '#4271b2',
    950: '#000000',
  },
}

SCSS

$custom: #4271b2;
$custom-light: #8199c9;
$custom-dark: #000000;

JSON

{
  "hex": "#4271b2",
  "rgb": {
    "r": 66,
    "g": 113,
    "b": 178
  },
  "hsl": {
    "h": 214.821,
    "s": 45.902,
    "l": 47.843
  },
  "oklch": {
    "l": 0.54601,
    "c": 0.11447,
    "h": 256.9
  },
  "luminance": 0.16183
}

Semantic roles & 50–950 ramp

primary

#4271B2

secondary

#C4AC8C

accent

#9E52D6

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0D13

muted

#7C7E82

Preview Lab

Preview with #4271B2

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

Preview Lab → · Contrast checker → · Palette generator →