#4E63B9#4E63B9

#4E63B9 is a mid, vivid blue. Relative luminance 0.140; OKLCH L 52.7% C 0.137 H 270.8°. Best body text is #FFFFFF at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#4E63B9
RGB	rgb(78, 99, 185)
HSL	hsl(228, 43%, 52%)
HSV	hsv(228, 58%, 73%)
CMYK	cmyk(57.8%, 46.5%, 0%, 27.5%)
CIE-LAB	lab(44.30, 18.22, -47.98)
CIE-LCH	lch(44.30, 51.32, 290.79°)
OKLab	oklab(52.65% 0.0018 -0.1368)
OKLCH	oklch(52.65% 0.137 270.8)
XYZ	xyz(16.3578, 14.0449, 47.7385)
Luminance	0.1405 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E63B9 #B9A44E

analogous

#4E99B9 #4E63B9 #6F4EB9

triadic

#4E63B9 #B94E63 #63B94E

tetradic

#4E63B9 #B94E99 #B9A44E #4EB96F

square

#4E63B9 #B94E99 #B9A44E #4EB96F

split-complementary

#4E63B9 #B96F4E #99B94E

monochromatic

#283465 #394A91 #4E63B9 #7A8ACA #A6B0DC

Accessibility & contrast

On white

5.51

#4E63B9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.81

#4E63B9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4E63B9

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E63B9	#FFFFFF	#000000	##FFFFFF
##4E63B9	1.00	5.51	3.81	5.51
#FFFFFF	5.51	1.00	21.00	1.00
#000000	3.81	21.00	1.00	21.00
##FFFFFF	5.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B6EBC

Deuteranopia (green-blind)

#2C64B7

Tritanopia (blue-blind)

#007685

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #4e63b9;
/* rgb */ color: rgb(78, 99, 185);
/* oklch */ color: oklch(52.7% 0.137 270.8);

Tailwind

colors: {
  custom: {
    50: '#888fce',
    500: '#4e63b9',
    950: '#000000',
  },
}

SCSS

$custom: #4e63b9;
$custom-light: #888fce;
$custom-dark: #000000;

JSON

{
  "hex": "#4e63b9",
  "rgb": {
    "r": 78,
    "g": 99,
    "b": 185
  },
  "hsl": {
    "h": 228.224,
    "s": 43.32,
    "l": 51.569
  },
  "oklch": {
    "l": 0.52651,
    "c": 0.13683,
    "h": 270.8
  },
  "luminance": 0.14046
}

Semantic roles & 50–950 ramp

primary

#4E63B9

secondary

#C9C09A

accent

#BA55D3

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0C0C14

muted

#7D7D82

Preview Lab

Preview with #4E63B9

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

Preview Lab → · Contrast checker → · Palette generator →