#4971E4#4971E4

#4971E4 is a mid, vivid blue. Relative luminance 0.188; OKLCH L 58.2% C 0.180 H 266.4°. Best body text is #000000 at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#4971E4
RGB	rgb(73, 113, 228)
HSL	hsl(225, 74%, 59%)
HSV	hsv(225, 68%, 89%)
CMYK	cmyk(68%, 50.4%, 0%, 10.6%)
CIE-LAB	lab(50.48, 23.43, -62.65)
CIE-LCH	lch(50.48, 66.89, 290.51°)
OKLab	oklab(58.16% -0.0113 -0.1799)
OKLCH	oklch(58.16% 0.18 266.4)
XYZ	xyz(22.6515, 18.8259, 75.8238)
Luminance	0.1883 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4971E4 #E4BC49

analogous

#49BFE4 #4971E4 #6F49E4

triadic

#4971E4 #E44971 #71E449

tetradic

#4971E4 #E449BF #E4BC49 #49E46F

square

#4971E4 #E449BF #E4BC49 #49E46F

split-complementary

#4971E4 #E46F49 #BFE449

monochromatic

#17399C #1F4DD1 #4971E4 #7E9BEC #B4C4F4

Accessibility & contrast

On white

4.41

#4971E4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.77

#4971E4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4971E4

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4971E4	#FFFFFF	#000000	##000000
##4971E4	1.00	4.41	4.77	4.77
#FFFFFF	4.41	1.00	21.00	21.00
#000000	4.77	21.00	1.00	1.00
##000000	4.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C80E8

Deuteranopia (green-blind)

#0071E2

Tritanopia (blue-blind)

#008CA0

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #4971e4;
/* rgb */ color: rgb(73, 113, 228);
/* oklch */ color: oklch(58.2% 0.180 266.4);

Tailwind

colors: {
  custom: {
    50: '#8d99ed',
    500: '#4971e4',
    950: '#000000',
  },
}

SCSS

$custom: #4971e4;
$custom-light: #8d99ed;
$custom-dark: #000000;

JSON

{
  "hex": "#4971e4",
  "rgb": {
    "r": 73,
    "g": 113,
    "b": 228
  },
  "hsl": {
    "h": 224.516,
    "s": 74.163,
    "l": 59.02
  },
  "oklch": {
    "l": 0.58156,
    "c": 0.18025,
    "h": 266.4
  },
  "luminance": 0.18828
}

Semantic roles & 50–950 ramp

primary

#4971E4

secondary

#E3D3A6

accent

#C137F1

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #4971E4

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

Preview Lab → · Contrast checker → · Palette generator →