#4971E9#4971E9

#4971E9 is a mid, vivid blue. Relative luminance 0.191; OKLCH L 58.5% C 0.187 H 266.7°. Best body text is #000000 at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#4971E9
RGB	rgb(73, 113, 233)
HSL	hsl(225, 78%, 60%)
HSV	hsv(225, 69%, 91%)
CMYK	cmyk(68.7%, 51.5%, 0%, 8.6%)
CIE-LAB	lab(50.81, 25.19, -64.92)
CIE-LCH	lch(50.81, 69.64, 291.21°)
OKLab	oklab(58.51% -0.0108 -0.1866)
OKLCH	oklch(58.51% 0.187 266.7)
XYZ	xyz(23.3556, 19.1076, 79.5323)
Luminance	0.1911 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4971E9 #E9C149

analogous

#49C1E9 #4971E9 #7149E9

triadic

#4971E9 #E94971 #71E949

tetradic

#4971E9 #E949C1 #E9C149 #49E971

square

#4971E9 #E949C1 #E9C149 #49E971

split-complementary

#4971E9 #E97149 #C1E949

monochromatic

#1438A4 #1A4ADA #4971E9 #809CF0 #B6C6F6

Accessibility & contrast

On white

4.36

#4971E9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.82

#4971E9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4971E9

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4971E9	#FFFFFF	#000000	##000000
##4971E9	1.00	4.36	4.82	4.82
#FFFFFF	4.36	1.00	21.00	21.00
#000000	4.82	21.00	1.00	1.00
##000000	4.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2381ED

Deuteranopia (green-blind)

#0072E7

Tritanopia (blue-blind)

#008EA2

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #4971e9;
/* rgb */ color: rgb(73, 113, 233);
/* oklch */ color: oklch(58.5% 0.187 266.7);

Tailwind

colors: {
  custom: {
    50: '#8e99f1',
    500: '#4971e9',
    950: '#000000',
  },
}

SCSS

$custom: #4971e9;
$custom-light: #8e99f1;
$custom-dark: #000000;

JSON

{
  "hex": "#4971e9",
  "rgb": {
    "r": 73,
    "g": 113,
    "b": 233
  },
  "hsl": {
    "h": 225,
    "s": 78.431,
    "l": 60
  },
  "oklch": {
    "l": 0.58512,
    "c": 0.1869,
    "h": 266.7
  },
  "luminance": 0.1911
}

Semantic roles & 50–950 ramp

primary

#4971E9

secondary

#E6D6A8

accent

#C433F5

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0D17

muted

#7E7E85

Preview Lab

Preview with #4971E9

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

Preview Lab → · Contrast checker → · Palette generator →