#4870BF#4870BF

#4870BF is a mid, vivid blue. Relative luminance 0.167; OKLCH L 55.5% C 0.131 H 262.6°. Best body text is #FFFFFF at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#4870BF
RGB	rgb(72, 112, 191)
HSL	hsl(220, 48%, 52%)
HSV	hsv(220, 62%, 75%)
CMYK	cmyk(62.3%, 41.4%, 0%, 25.1%)
CIE-LAB	lab(47.91, 10.94, -45.70)
CIE-LCH	lch(47.91, 46.99, 283.46°)
OKLab	oklab(55.45% -0.0168 -0.1301)
OKLCH	oklch(55.45% 0.131 262.6)
XYZ	xyz(17.8673, 16.7260, 51.5670)
Luminance	0.1673 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4870BF #BF9748

analogous

#48ACBF #4870BF #5C48BF

triadic

#4870BF #BF4870 #70BF48

tetradic

#4870BF #BF48AC #BF9748 #48BF5C

square

#4870BF #BF48AC #BF9748 #48BF5C

split-complementary

#4870BF #BF5C48 #ACBF48

monochromatic

#243B68 #345596 #4870BF #7593CF #A3B7DF

Accessibility & contrast

On white

4.83

#4870BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.35

#4870BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4870BF

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4870BF	#FFFFFF	#000000	##FFFFFF
##4870BF	1.00	4.83	4.35	4.83
#FFFFFF	4.83	1.00	21.00	1.00
#000000	4.35	21.00	1.00	21.00
##FFFFFF	4.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D78C2

Deuteranopia (green-blind)

#3C6DBD

Tritanopia (blue-blind)

#00828E

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #4870bf;
/* rgb */ color: rgb(72, 112, 191);
/* oklch */ color: oklch(55.5% 0.131 262.6);

Tailwind

colors: {
  custom: {
    50: '#8698d3',
    500: '#4870bf',
    950: '#000000',
  },
}

SCSS

$custom: #4870bf;
$custom-light: #8698d3;
$custom-dark: #000000;

JSON

{
  "hex": "#4870bf",
  "rgb": {
    "r": 72,
    "g": 112,
    "b": 191
  },
  "hsl": {
    "h": 219.832,
    "s": 48.178,
    "l": 51.569
  },
  "oklch": {
    "l": 0.55451,
    "c": 0.13119,
    "h": 262.6
  },
  "luminance": 0.16728
}

Semantic roles & 50–950 ramp

primary

#4870BF

secondary

#CCBA97

accent

#AA50D8

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0D14

muted

#7D7E83

Preview Lab

Preview with #4870BF

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

Preview Lab → · Contrast checker → · Palette generator →