#4873DB#4873DB

#4873DB is a mid, vivid blue. Relative luminance 0.188; OKLCH L 57.9% C 0.166 H 264.8°. Best body text is #000000 at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#4873DB
RGB	rgb(72, 115, 219)
HSL	hsl(222, 67%, 57%)
HSV	hsv(222, 67%, 86%)
CMYK	cmyk(67.1%, 47.5%, 0%, 14.1%)
CIE-LAB	lab(50.40, 18.87, -57.72)
CIE-LCH	lch(50.40, 60.72, 288.10°)
OKLab	oklab(57.89% -0.015 -0.1654)
OKLCH	oklch(57.89% 0.166 264.8)
XYZ	xyz(21.5849, 18.7515, 69.4860)
Luminance	0.1875 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4873DB #DBB048

analogous

#48BDDB #4873DB #6748DB

triadic

#4873DB #DB4873 #73DB48

tetradic

#4873DB #DB48BD #DBB048 #48DB67

square

#4873DB #DB48BD #DBB048 #48DB67

split-complementary

#4873DB #DB6748 #BDDB48

monochromatic

#1C3D8D #2653C0 #4873DB #7B9AE5 #AEC1EF

Accessibility & contrast

On white

4.42

#4873DB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.75

#4873DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4873DB

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4873DB	#FFFFFF	#000000	##000000
##4873DB	1.00	4.42	4.75	4.75
#FFFFFF	4.42	1.00	21.00	21.00
#000000	4.75	21.00	1.00	1.00
##000000	4.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C7FDF

Deuteranopia (green-blind)

#1972D9

Tritanopia (blue-blind)

#008B9C

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #4873db;
/* rgb */ color: rgb(72, 115, 219);
/* oklch */ color: oklch(57.9% 0.166 264.8);

Tailwind

colors: {
  custom: {
    50: '#8a9ae7',
    500: '#4873db',
    950: '#000000',
  },
}

SCSS

$custom: #4873db;
$custom-light: #8a9ae7;
$custom-dark: #000000;

JSON

{
  "hex": "#4873db",
  "rgb": {
    "r": 72,
    "g": 115,
    "b": 219
  },
  "hsl": {
    "h": 222.449,
    "s": 67.123,
    "l": 57.059
  },
  "oklch": {
    "l": 0.57893,
    "c": 0.16605,
    "h": 264.8
  },
  "luminance": 0.18754
}

Semantic roles & 50–950 ramp

primary

#4873DB

secondary

#DDCCA2

accent

#B83EEA

background

#F9F9FE

surface

#F1F2FC

border

#CBCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #4873DB

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

Preview Lab → · Contrast checker → · Palette generator →