#4E53AB#4E53AB

#4E53AB is a mid, vivid blue. Relative luminance 0.107; OKLCH L 48.5% C 0.138 H 277.5°. Best body text is #FFFFFF at 6.67:1 contrast (WCAG AA passes).

Color values

HEX	#4E53AB
RGB	rgb(78, 83, 171)
HSL	hsl(237, 37%, 49%)
HSV	hsv(237, 54%, 67%)
CMYK	cmyk(54.4%, 51.5%, 0%, 32.9%)
CIE-LAB	lab(39.15, 23.70, -48.01)
CIE-LCH	lch(39.15, 53.54, 296.28°)
OKLab	oklab(48.47% 0.018 -0.1371)
OKLCH	oklch(48.47% 0.138 277.5)
XYZ	xyz(13.5835, 10.7456, 39.8785)
Luminance	0.1075 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E53AB #ABA64E

analogous

#4E82AB #4E53AB #784EAB

triadic

#4E53AB #AB4E53 #53AB4E

tetradic

#4E53AB #AB4E82 #ABA64E #4EAB78

square

#4E53AB #AB4E82 #ABA64E #4EAB78

split-complementary

#4E53AB #AB784E #82AB4E

monochromatic

#282A57 #3B3F81 #4E53AB #767AC0 #A0A3D4

Accessibility & contrast

On white

6.67

#4E53AB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#4E53AB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4E53AB

6.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E53AB	#FFFFFF	#000000	##FFFFFF
##4E53AB	1.00	6.67	3.15	6.67
#FFFFFF	6.67	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2660AE

Deuteranopia (green-blind)

#1959A9

Tritanopia (blue-blind)

#226777

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #4e53ab;
/* rgb */ color: rgb(78, 83, 171);
/* oklch */ color: oklch(48.5% 0.138 277.5);

Tailwind

colors: {
  custom: {
    50: '#8783c4',
    500: '#4e53ab',
    950: '#000000',
  },
}

SCSS

$custom: #4e53ab;
$custom-light: #8783c4;
$custom-dark: #000000;

JSON

{
  "hex": "#4e53ab",
  "rgb": {
    "r": 78,
    "g": 83,
    "b": 171
  },
  "hsl": {
    "h": 236.774,
    "s": 37.349,
    "l": 48.824
  },
  "oklch": {
    "l": 0.48468,
    "c": 0.13825,
    "h": 277.5
  },
  "luminance": 0.10746
}

Semantic roles & 50–950 ramp

primary

#4E53AB

secondary

#C1BE94

accent

#C75ACD

background

#F8F8FC

surface

#F0EFF8

border

#CBCAD1

text

#0C0A13

muted

#7D7C82

Preview Lab

Preview with #4E53AB

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

Preview Lab → · Contrast checker → · Palette generator →