#4870CB#4870CB

#4870CB is a mid, vivid blue. Relative luminance 0.173; OKLCH L 56.2% C 0.148 H 264.3°. Best body text is #FFFFFF at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#4870CB
RGB	rgb(72, 112, 203)
HSL	hsl(222, 56%, 54%)
HSV	hsv(222, 65%, 80%)
CMYK	cmyk(64.5%, 44.8%, 0%, 20.4%)
CIE-LAB	lab(48.61, 15.12, -51.49)
CIE-LCH	lch(48.61, 53.66, 286.36°)
OKLab	oklab(56.21% -0.0146 -0.1471)
OKLCH	oklch(56.21% 0.148 264.3)
XYZ	xyz(19.2424, 17.2761, 58.8089)
Luminance	0.1728 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4870CB #CBA348

analogous

#48B2CB #4870CB #6248CB

triadic

#4870CB #CB4870 #70CB48

tetradic

#4870CB #CB48B2 #CBA348 #48CB62

square

#4870CB #CB48B2 #CBA348 #48CB62

split-complementary

#4870CB #CB6248 #B2CB48

monochromatic

#223C77 #2F54A6 #4870CB #7895D9 #A7BAE6

Accessibility & contrast

On white

4.71

#4870CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.46

#4870CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4870CB

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4870CB	#FFFFFF	#000000	##FFFFFF
##4870CB	1.00	4.71	4.46	4.71
#FFFFFF	4.71	1.00	21.00	1.00
#000000	4.46	21.00	1.00	21.00
##FFFFFF	4.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#447ACE

Deuteranopia (green-blind)

#2E6EC9

Tritanopia (blue-blind)

#008593

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #4870cb;
/* rgb */ color: rgb(72, 112, 203);
/* oklch */ color: oklch(56.2% 0.148 264.3);

Tailwind

colors: {
  custom: {
    50: '#8898db',
    500: '#4870cb',
    950: '#000000',
  },
}

SCSS

$custom: #4870cb;
$custom-light: #8898db;
$custom-dark: #000000;

JSON

{
  "hex": "#4870cb",
  "rgb": {
    "r": 72,
    "g": 112,
    "b": 203
  },
  "hsl": {
    "h": 221.679,
    "s": 55.745,
    "l": 53.922
  },
  "oklch": {
    "l": 0.5621,
    "c": 0.14781,
    "h": 264.3
  },
  "luminance": 0.17278
}

Semantic roles & 50–950 ramp

primary

#4870CB

secondary

#D3C29B

accent

#B149DF

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #4870CB

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

Preview Lab → · Contrast checker → · Palette generator →