#4971D8#4971D8

#4971D8 is a mid, vivid blue. Relative luminance 0.182; OKLCH L 57.3% C 0.164 H 265.5°. Best body text is #000000 at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#4971D8
RGB	rgb(73, 113, 216)
HSL	hsl(223, 65%, 57%)
HSV	hsv(223, 66%, 85%)
CMYK	cmyk(66.2%, 47.7%, 0%, 15.3%)
CIE-LAB	lab(49.72, 19.22, -57.11)
CIE-LCH	lch(49.72, 60.25, 288.60°)
OKLab	oklab(57.33% -0.0127 -0.1636)
OKLCH	oklch(57.33% 0.164 265.5)
XYZ	xyz(21.0431, 18.1826, 67.3530)
Luminance	0.1819 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4971D8 #D8B049

analogous

#49B9D8 #4971D8 #6949D8

triadic

#4971D8 #D84971 #71D849

tetradic

#4971D8 #D849B9 #D8B049 #49D869

square

#4971D8 #D849B9 #D8B049 #49D869

split-complementary

#4971D8 #D86949 #B9D849

monochromatic

#1D3C89 #2851BC #4971D8 #7B98E3 #AEC0EE

Accessibility & contrast

On white

4.53

#4971D8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.64

#4971D8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4971D8

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4971D8	#FFFFFF	#000000	##000000
##4971D8	1.00	4.53	4.64	4.64
#FFFFFF	4.53	1.00	21.00	21.00
#000000	4.64	21.00	1.00	1.00
##000000	4.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B7DDC

Deuteranopia (green-blind)

#1A70D6

Tritanopia (blue-blind)

#00899A

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #4971d8;
/* rgb */ color: rgb(73, 113, 216);
/* oklch */ color: oklch(57.3% 0.164 265.5);

Tailwind

colors: {
  custom: {
    50: '#8a99e5',
    500: '#4971d8',
    950: '#000000',
  },
}

SCSS

$custom: #4971d8;
$custom-light: #8a99e5;
$custom-dark: #000000;

JSON

{
  "hex": "#4971d8",
  "rgb": {
    "r": 73,
    "g": 113,
    "b": 216
  },
  "hsl": {
    "h": 223.217,
    "s": 64.706,
    "l": 56.667
  },
  "oklch": {
    "l": 0.57328,
    "c": 0.16408,
    "h": 265.5
  },
  "luminance": 0.18185
}

Semantic roles & 50–950 ramp

primary

#4971D8

secondary

#DCCBA1

accent

#B940E8

background

#F9F9FE

surface

#F1F2FC

border

#CBCCD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #4971D8

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

Preview Lab → · Contrast checker → · Palette generator →