#4971CB#4971CB

#4971CB is a mid, vivid blue. Relative luminance 0.175; OKLCH L 56.5% C 0.146 H 264.2°. Best body text is #FFFFFF at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#4971CB
RGB	rgb(73, 113, 203)
HSL	hsl(222, 56%, 54%)
HSV	hsv(222, 64%, 80%)
CMYK	cmyk(64%, 44.3%, 0%, 20.4%)
CIE-LAB	lab(48.93, 14.67, -50.97)
CIE-LCH	lch(48.93, 53.04, 286.06°)
OKLab	oklab(56.47% -0.0147 -0.1455)
OKLCH	oklch(56.47% 0.146 264.2)
XYZ	xyz(19.4285, 17.5367, 58.8494)
Luminance	0.1754 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4971CB #CBA349

analogous

#49B2CB #4971CB #6249CB

triadic

#4971CB #CB4971 #71CB49

tetradic

#4971CB #CB49B2 #CBA349 #49CB62

square

#4971CB #CB49B2 #CBA349 #49CB62

split-complementary

#4971CB #CB6249 #B2CB49

monochromatic

#223C77 #3054A7 #4971CB #7996D9 #A8BBE6

Accessibility & contrast

On white

4.66

#4971CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.51

#4971CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #4971CB

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4971CB	#FFFFFF	#000000	##FFFFFF
##4971CB	1.00	4.66	4.51	4.66
#FFFFFF	4.66	1.00	21.00	1.00
#000000	4.51	21.00	1.00	21.00
##FFFFFF	4.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#467BCE

Deuteranopia (green-blind)

#316FC9

Tritanopia (blue-blind)

#008694

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #4971cb;
/* rgb */ color: rgb(73, 113, 203);
/* oklch */ color: oklch(56.5% 0.146 264.2);

Tailwind

colors: {
  custom: {
    50: '#8899db',
    500: '#4971cb',
    950: '#000000',
  },
}

SCSS

$custom: #4971cb;
$custom-light: #8899db;
$custom-dark: #000000;

JSON

{
  "hex": "#4971cb",
  "rgb": {
    "r": 73,
    "g": 113,
    "b": 203
  },
  "hsl": {
    "h": 221.538,
    "s": 55.556,
    "l": 54.118
  },
  "oklch": {
    "l": 0.56471,
    "c": 0.14627,
    "h": 264.2
  },
  "luminance": 0.17539
}

Semantic roles & 50–950 ramp

primary

#4971CB

secondary

#D4C39C

accent

#B149DF

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #4971CB

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

Preview Lab → · Contrast checker → · Palette generator →