#4840BB#4840BB

#4840BB is a mid, vivid blue. Relative luminance 0.086; OKLCH L 45.9% C 0.186 H 279.0°. Best body text is #FFFFFF at 7.70:1 contrast (WCAG AA passes).

Color values

HEX	#4840BB
RGB	rgb(72, 64, 187)
HSL	hsl(244, 49%, 49%)
HSV	hsv(244, 66%, 73%)
CMYK	cmyk(61.5%, 65.8%, 0%, 26.7%)
CIE-LAB	lab(35.26, 39.73, -63.79)
CIE-LCH	lch(35.26, 75.15, 301.92°)
OKLab	oklab(45.86% 0.0292 -0.1837)
OKLCH	oklch(45.86% 0.186 279)
XYZ	xyz(13.4727, 8.6314, 47.9601)
Luminance	0.0863 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 1.39

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4840BB #B3BB40

analogous

#4076BB #4840BB #8540BB

triadic

#4840BB #BB4840 #40BB48

tetradic

#4840BB #BB4076 #B3BB40 #40BB85

square

#4840BB #BB4076 #B3BB40 #40BB85

split-complementary

#4840BB #BB8540 #76BB40

monochromatic

#252160 #36308D #4840BB #726CCD #9E99DC

Accessibility & contrast

On white

7.70

#4840BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.73

#4840BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4840BB

7.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4840BB	#FFFFFF	#000000	##FFFFFF
##4840BB	1.00	7.70	2.73	7.70
#FFFFFF	7.70	1.00	21.00	1.00
#000000	2.73	21.00	1.00	21.00
##FFFFFF	7.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058BF

Deuteranopia (green-blind)

#004EB9

Tritanopia (blue-blind)

#006078

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #4840bb;
/* rgb */ color: rgb(72, 64, 187);
/* oklch */ color: oklch(45.9% 0.186 279.0);

Tailwind

colors: {
  custom: {
    50: '#8876d0',
    500: '#4840bb',
    950: '#000000',
  },
}

SCSS

$custom: #4840bb;
$custom-light: #8876d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4840bb",
  "rgb": {
    "r": 72,
    "g": 64,
    "b": 187
  },
  "hsl": {
    "h": 243.902,
    "s": 49.004,
    "l": 49.216
  },
  "oklch": {
    "l": 0.45858,
    "c": 0.18605,
    "h": 279
  },
  "luminance": 0.08632
}

Semantic roles & 50–950 ramp

primary

#4840BB

secondary

#C4C88F

accent

#D94FD0

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0D0814

muted

#7D7B82

Preview Lab

Preview with #4840BB

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

Preview Lab → · Contrast checker → · Palette generator →