#4840B2#4840B2

#4840B2 is a mid, vivid blue. Relative luminance 0.083; OKLCH L 45.1% C 0.174 H 279.9°. Best body text is #FFFFFF at 7.92:1 contrast (WCAG AA passes).

Color values

HEX	#4840B2
RGB	rgb(72, 64, 178)
HSL	hsl(244, 47%, 47%)
HSV	hsv(244, 64%, 70%)
CMYK	cmyk(59.6%, 64%, 0%, 30.2%)
CIE-LAB	lab(34.51, 36.80, -59.69)
CIE-LCH	lch(34.51, 70.12, 301.65°)
OKLab	oklab(45.08% 0.03 -0.1717)
OKLCH	oklch(45.08% 0.174 279.9)
XYZ	xyz(12.5392, 8.2580, 43.0440)
Luminance	0.0826 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 1.22

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4840B2 #AAB240

analogous

#4071B2 #4840B2 #8140B2

triadic

#4840B2 #B24840 #40B248

tetradic

#4840B2 #B24071 #AAB240 #40B281

square

#4840B2 #B24071 #AAB240 #40B281

split-complementary

#4840B2 #B28140 #71B240

monochromatic

#242058 #363085 #4840B2 #6E67C8 #9994D8

Accessibility & contrast

On white

7.92

#4840B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#4840B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4840B2

7.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4840B2	#FFFFFF	#000000	##FFFFFF
##4840B2	1.00	7.92	2.65	7.92
#FFFFFF	7.92	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055B6

Deuteranopia (green-blind)

#004DB0

Tritanopia (blue-blind)

#005D73

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #4840b2;
/* rgb */ color: rgb(72, 64, 178);
/* oklch */ color: oklch(45.1% 0.174 279.9);

Tailwind

colors: {
  custom: {
    50: '#8675ca',
    500: '#4840b2',
    950: '#000000',
  },
}

SCSS

$custom: #4840b2;
$custom-light: #8675ca;
$custom-dark: #000000;

JSON

{
  "hex": "#4840b2",
  "rgb": {
    "r": 72,
    "g": 64,
    "b": 178
  },
  "hsl": {
    "h": 244.211,
    "s": 47.107,
    "l": 47.451
  },
  "oklch": {
    "l": 0.4508,
    "c": 0.17435,
    "h": 279.9
  },
  "luminance": 0.08259
}

Semantic roles & 50–950 ramp

primary

#4840B2

secondary

#C0C48A

accent

#D751CD

background

#F8F7FC

surface

#F0EDF8

border

#CBC8D1

text

#0C0813

muted

#7D7B82

Preview Lab

Preview with #4840B2

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

Preview Lab → · Contrast checker → · Palette generator →