#4870B9#4870B9

#4870B9 is a mid, vivid blue. Relative luminance 0.165; OKLCH L 55.1% C 0.123 H 261.5°. Best body text is #FFFFFF at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#4870B9
RGB	rgb(72, 112, 185)
HSL	hsl(219, 45%, 50%)
HSV	hsv(219, 61%, 73%)
CMYK	cmyk(61.1%, 39.5%, 0%, 27.5%)
CIE-LAB	lab(47.58, 8.87, -42.76)
CIE-LCH	lch(47.58, 43.67, 281.72°)
OKLab	oklab(55.09% -0.0181 -0.1215)
OKLCH	oklch(55.09% 0.123 261.5)
XYZ	xyz(17.2206, 16.4673, 48.1605)
Luminance	0.1647 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4870B9 #B99148

analogous

#48A8B9 #4870B9 #5848B9

triadic

#4870B9 #B94870 #70B948

tetradic

#4870B9 #B948A8 #B99148 #48B958

square

#4870B9 #B948A8 #B99148 #48B958

split-complementary

#4870B9 #B95848 #A8B948

monochromatic

#253B61 #36558E #4870B9 #7493CA #A1B5DB

Accessibility & contrast

On white

4.89

#4870B9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.29

#4870B9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4870B9

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4870B9	#FFFFFF	#000000	##FFFFFF
##4870B9	1.00	4.89	4.29	4.89
#FFFFFF	4.89	1.00	21.00	1.00
#000000	4.29	21.00	1.00	21.00
##FFFFFF	4.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5077BC

Deuteranopia (green-blind)

#416CB7

Tritanopia (blue-blind)

#00808B

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #4870b9;
/* rgb */ color: rgb(72, 112, 185);
/* oklch */ color: oklch(55.1% 0.123 261.5);

Tailwind

colors: {
  custom: {
    50: '#8598ce',
    500: '#4870b9',
    950: '#000000',
  },
}

SCSS

$custom: #4870b9;
$custom-light: #8598ce;
$custom-dark: #000000;

JSON

{
  "hex": "#4870b9",
  "rgb": {
    "r": 72,
    "g": 112,
    "b": 185
  },
  "hsl": {
    "h": 218.761,
    "s": 44.664,
    "l": 50.392
  },
  "oklch": {
    "l": 0.55088,
    "c": 0.12283,
    "h": 261.5
  },
  "luminance": 0.16469
}

Semantic roles & 50–950 ramp

primary

#4870B9

secondary

#C8B695

accent

#A753D4

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0D14

muted

#7D7E82

Preview Lab

Preview with #4870B9

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

Preview Lab → · Contrast checker → · Palette generator →