#4970CB#4970CB

#4970CB is a mid, vivid blue. Relative luminance 0.173; OKLCH L 56.3% C 0.147 H 264.7°. Best body text is #FFFFFF at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#4970CB
RGB	rgb(73, 112, 203)
HSL	hsl(222, 56%, 54%)
HSV	hsv(222, 64%, 80%)
CMYK	cmyk(64%, 44.8%, 0%, 20.4%)
CIE-LAB	lab(48.65, 15.29, -51.41)
CIE-LCH	lch(48.65, 53.63, 286.57°)
OKLab	oklab(56.26% -0.0137 -0.1468)
OKLCH	oklch(56.26% 0.147 264.7)
XYZ	xyz(19.3176, 17.3148, 58.8124)
Luminance	0.1732 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4970CB #CBA449

analogous

#49B1CB #4970CB #6349CB

triadic

#4970CB #CB4970 #70CB49

tetradic

#4970CB #CB49B1 #CBA449 #49CB63

square

#4970CB #CB49B1 #CBA449 #49CB63

split-complementary

#4970CB #CB6349 #B1CB49

monochromatic

#223C77 #3054A7 #4970CB #7995D9 #A8BBE6

Accessibility & contrast

On white

4.70

#4970CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.46

#4970CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4970CB

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4970CB	#FFFFFF	#000000	##FFFFFF
##4970CB	1.00	4.70	4.46	4.70
#FFFFFF	4.70	1.00	21.00	1.00
#000000	4.46	21.00	1.00	21.00
##FFFFFF	4.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#447ACE

Deuteranopia (green-blind)

#2E6EC9

Tritanopia (blue-blind)

#008593

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #4970cb;
/* rgb */ color: rgb(73, 112, 203);
/* oklch */ color: oklch(56.3% 0.147 264.7);

Tailwind

colors: {
  custom: {
    50: '#8898db',
    500: '#4970cb',
    950: '#000000',
  },
}

SCSS

$custom: #4970cb;
$custom-light: #8898db;
$custom-dark: #000000;

JSON

{
  "hex": "#4970cb",
  "rgb": {
    "r": 73,
    "g": 112,
    "b": 203
  },
  "hsl": {
    "h": 222,
    "s": 55.556,
    "l": 54.118
  },
  "oklch": {
    "l": 0.5626,
    "c": 0.14748,
    "h": 264.7
  },
  "luminance": 0.17317
}

Semantic roles & 50–950 ramp

primary

#4970CB

secondary

#D4C39C

accent

#B249DF

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #4970CB

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

Preview Lab → · Contrast checker → · Palette generator →