#4970BB#4970BB

#4970BB is a mid, vivid blue. Relative luminance 0.166; OKLCH L 55.3% C 0.125 H 262.3°. Best body text is #FFFFFF at 4.86:1 contrast (WCAG AA passes).

Color values

HEX	#4970BB
RGB	rgb(73, 112, 187)
HSL	hsl(219, 46%, 51%)
HSV	hsv(219, 61%, 73%)
CMYK	cmyk(61%, 40.1%, 0%, 26.7%)
CIE-LAB	lab(47.74, 9.75, -43.66)
CIE-LCH	lch(47.74, 44.74, 282.59°)
OKLab	oklab(55.26% -0.0168 -0.1241)
OKLCH	oklch(55.26% 0.125 262.3)
XYZ	xyz(17.5083, 16.5911, 49.2838)
Luminance	0.1659 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4970BB #BB9449

analogous

#49A9BB #4970BB #5B49BB

triadic

#4970BB #BB4970 #70BB49

tetradic

#4970BB #BB49A9 #BB9449 #49BB5B

square

#4970BB #BB49A9 #BB9449 #49BB5B

split-complementary

#4970BB #BB5B49 #A9BB49

monochromatic

#253B64 #365591 #4970BB #7693CC #A2B6DC

Accessibility & contrast

On white

4.86

#4970BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.32

#4970BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4970BB

4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4970BB	#FFFFFF	#000000	##FFFFFF
##4970BB	1.00	4.86	4.32	4.86
#FFFFFF	4.86	1.00	21.00	1.00
#000000	4.32	21.00	1.00	21.00
##FFFFFF	4.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F77BE

Deuteranopia (green-blind)

#406CB9

Tritanopia (blue-blind)

#00818C

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #4970bb;
/* rgb */ color: rgb(73, 112, 187);
/* oklch */ color: oklch(55.3% 0.125 262.3);

Tailwind

colors: {
  custom: {
    50: '#8698d0',
    500: '#4970bb',
    950: '#000000',
  },
}

SCSS

$custom: #4970bb;
$custom-light: #8698d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4970bb",
  "rgb": {
    "r": 73,
    "g": 112,
    "b": 187
  },
  "hsl": {
    "h": 219.474,
    "s": 45.6,
    "l": 50.98
  },
  "oklch": {
    "l": 0.5526,
    "c": 0.12524,
    "h": 262.3
  },
  "luminance": 0.16593
}

Semantic roles & 50–950 ramp

primary

#4970BB

secondary

#C9B897

accent

#A953D5

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0D14

muted

#7D7E82

Preview Lab

Preview with #4970BB

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

Preview Lab → · Contrast checker → · Palette generator →