#4F63CA#4F63CA

#4F63CA is a mid, vivid blue. Relative luminance 0.148; OKLCH L 53.9% C 0.160 H 271.7°. Best body text is #FFFFFF at 5.29:1 contrast (WCAG AA passes).

Color values

HEX	#4F63CA
RGB	rgb(79, 99, 202)
HSL	hsl(230, 54%, 55%)
HSV	hsv(230, 61%, 79%)
CMYK	cmyk(60.9%, 51%, 0%, 20.8%)
CIE-LAB	lab(45.43, 24.18, -56.00)
CIE-LCH	lch(45.43, 61.00, 293.35°)
OKLab	oklab(53.87% 0.0048 -0.1604)
OKLCH	oklch(53.87% 0.16 271.7)
XYZ	xyz(18.3434, 14.8487, 57.7651)
Luminance	0.1485 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F63CA #CAB64F

analogous

#4FA0CA #4F63CA #794FCA

triadic

#4F63CA #CA4F63 #63CA4F

tetradic

#4F63CA #CA4FA0 #CAB64F #4FCA79

square

#4F63CA #CA4FA0 #CAB64F #4FCA79

split-complementary

#4F63CA #CA794F #A0CA4F

monochromatic

#25337A #3346A9 #4F63CA #7E8DD8 #ADB6E6

Accessibility & contrast

On white

5.29

#4F63CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.97

#4F63CA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F63CA

5.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F63CA	#FFFFFF	#000000	##FFFFFF
##4F63CA	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)

#2971CE

Deuteranopia (green-blind)

#0566C8

Tritanopia (blue-blind)

#007B8D

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #4f63ca;
/* rgb */ color: rgb(79, 99, 202);
/* oklch */ color: oklch(53.9% 0.160 271.7);

Tailwind

colors: {
  custom: {
    50: '#8b8fdb',
    500: '#4f63ca',
    950: '#000000',
  },
}

SCSS

$custom: #4f63ca;
$custom-light: #8b8fdb;
$custom-dark: #000000;

JSON

{
  "hex": "#4f63ca",
  "rgb": {
    "r": 79,
    "g": 99,
    "b": 202
  },
  "hsl": {
    "h": 230.244,
    "s": 53.712,
    "l": 55.098
  },
  "oklch": {
    "l": 0.53867,
    "c": 0.16046,
    "h": 271.7
  },
  "luminance": 0.1485
}

Semantic roles & 50–950 ramp

primary

#4F63CA

secondary

#D4CCA1

accent

#C54BDD

background

#F9F8FD

surface

#F1F0FB

border

#CBCBD4

text

#0D0C15

muted

#7E7D83

Preview Lab

Preview with #4F63CA

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

Preview Lab → · Contrast checker → · Palette generator →