#4873EF#4873EF

#4873EF is a mid, vivid blue. Relative luminance 0.199; OKLCH L 59.3% C 0.193 H 266.2°. Best body text is #000000 at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#4873EF
RGB	rgb(72, 115, 239)
HSL	hsl(225, 84%, 61%)
HSV	hsv(225, 70%, 94%)
CMYK	cmyk(69.9%, 51.9%, 0%, 6.3%)
CIE-LAB	lab(51.69, 25.92, -66.87)
CIE-LCH	lch(51.69, 71.71, 291.19°)
OKLab	oklab(59.29% -0.0128 -0.1923)
OKLCH	oklch(59.29% 0.193 266.2)
XYZ	xyz(24.3778, 19.8687, 84.1949)
Luminance	0.1987 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4873EF #EFC448

analogous

#48C6EF #4873EF #7048EF

triadic

#4873EF #EF4873 #73EF48

tetradic

#4873EF #EF48C6 #EFC448 #48EF70

square

#4873EF #EF48C6 #EFC448 #48EF70

split-complementary

#4873EF #EF7048 #C6EF48

monochromatic

#0F38AD #144AE6 #4873EF #809EF4 #B9C9F9

Accessibility & contrast

On white

4.22

#4873EF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.97

#4873EF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4873EF

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4873EF	#FFFFFF	#000000	##000000
##4873EF	1.00	4.22	4.97	4.97
#FFFFFF	4.22	1.00	21.00	21.00
#000000	4.97	21.00	1.00	1.00
##000000	4.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F83F3

Deuteranopia (green-blind)

#0074ED

Tritanopia (blue-blind)

#0091A6

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #4873ef;
/* rgb */ color: rgb(72, 115, 239);
/* oklch */ color: oklch(59.3% 0.193 266.2);

Tailwind

colors: {
  custom: {
    50: '#8e9af5',
    500: '#4873ef',
    950: '#000000',
  },
}

SCSS

$custom: #4873ef;
$custom-light: #8e9af5;
$custom-dark: #000000;

JSON

{
  "hex": "#4873ef",
  "rgb": {
    "r": 72,
    "g": 115,
    "b": 239
  },
  "hsl": {
    "h": 224.551,
    "s": 83.92,
    "l": 60.98
  },
  "oklch": {
    "l": 0.5929,
    "c": 0.19273,
    "h": 266.2
  },
  "luminance": 0.19871
}

Semantic roles & 50–950 ramp

primary

#4873EF

secondary

#E9D9AA

accent

#A805E0

background

#F9F9FF

surface

#F2F2FE

border

#CCCCD6

text

#0E0E17

muted

#7E7E85

Preview Lab

Preview with #4873EF

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

Preview Lab → · Contrast checker → · Palette generator →