#4E63CB#4E63CB

#4E63CB is a mid, vivid blue. Relative luminance 0.149; OKLCH L 53.9% C 0.162 H 271.4°. Best body text is #FFFFFF at 5.29:1 contrast (WCAG AA passes).

Color values

HEX	#4E63CB
RGB	rgb(78, 99, 203)
HSL	hsl(230, 55%, 55%)
HSV	hsv(230, 62%, 80%)
CMYK	cmyk(61.6%, 51.2%, 0%, 20.4%)
CIE-LAB	lab(45.43, 24.34, -56.57)
CIE-LCH	lch(45.43, 61.58, 293.28°)
OKLab	oklab(53.88% 0.0039 -0.1621)
OKLCH	oklch(53.88% 0.162 271.4)
XYZ	xyz(18.3796, 14.8536, 58.3868)
Luminance	0.1485 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E63CB #CBB64E

analogous

#4EA1CB #4E63CB #774ECB

triadic

#4E63CB #CB4E63 #63CB4E

tetradic

#4E63CB #CB4EA1 #CBB64E #4ECB77

square

#4E63CB #CB4EA1 #CBB64E #4ECB77

split-complementary

#4E63CB #CB774E #A1CB4E

monochromatic

#24337B #3246AA #4E63CB #7D8DD9 #ADB6E7

Accessibility & contrast

On white

5.29

#4E63CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.97

#4E63CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4E63CB

5.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E63CB	#FFFFFF	#000000	##FFFFFF
##4E63CB	1.00	5.29	3.97	5.29
#FFFFFF	5.29	1.00	21.00	1.00
#000000	3.97	21.00	1.00	21.00
##FFFFFF	5.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2771CF

Deuteranopia (green-blind)

#0066C9

Tritanopia (blue-blind)

#007B8D

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #4e63cb;
/* rgb */ color: rgb(78, 99, 203);
/* oklch */ color: oklch(53.9% 0.162 271.4);

Tailwind

colors: {
  custom: {
    50: '#8b8fdb',
    500: '#4e63cb',
    950: '#000000',
  },
}

SCSS

$custom: #4e63cb;
$custom-light: #8b8fdb;
$custom-dark: #000000;

JSON

{
  "hex": "#4e63cb",
  "rgb": {
    "r": 78,
    "g": 99,
    "b": 203
  },
  "hsl": {
    "h": 229.92,
    "s": 54.585,
    "l": 55.098
  },
  "oklch": {
    "l": 0.53878,
    "c": 0.16213,
    "h": 271.4
  },
  "luminance": 0.14855
}

Semantic roles & 50–950 ramp

primary

#4E63CB

secondary

#D5CCA0

accent

#C54ADE

background

#F9F8FD

surface

#F1F0FB

border

#CBCBD4

text

#0D0C15

muted

#7E7D83

Preview Lab

Preview with #4E63CB

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

Preview Lab → · Contrast checker → · Palette generator →