#4D63CA#4D63CA

#4D63CA is a mid, vivid blue. Relative luminance 0.148; OKLCH L 53.7% C 0.161 H 271.0°. Best body text is #FFFFFF at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#4D63CA
RGB	rgb(77, 99, 202)
HSL	hsl(229, 54%, 55%)
HSV	hsv(229, 62%, 79%)
CMYK	cmyk(61.9%, 51%, 0%, 20.8%)
CIE-LAB	lab(45.31, 23.82, -56.19)
CIE-LCH	lch(45.31, 61.03, 292.97°)
OKLab	oklab(53.75% 0.0028 -0.161)
OKLCH	oklch(53.75% 0.161 271)
XYZ	xyz(18.1795, 14.7642, 57.7574)
Luminance	0.1477 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D63CA #CAB44D

analogous

#4DA2CA #4D63CA #764DCA

triadic

#4D63CA #CA4D63 #63CA4D

tetradic

#4D63CA #CA4DA2 #CAB44D #4DCA76

square

#4D63CA #CA4DA2 #CAB44D #4DCA76

split-complementary

#4D63CA #CA764D #A2CA4D

monochromatic

#243379 #3247A8 #4D63CA #7C8CD8 #ABB6E6

Accessibility & contrast

On white

5.31

#4D63CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.95

#4D63CA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4D63CA

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D63CA	#FFFFFF	#000000	##FFFFFF
##4D63CA	1.00	5.31	3.95	5.31
#FFFFFF	5.31	1.00	21.00	1.00
#000000	3.95	21.00	1.00	21.00
##FFFFFF	5.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2871CE

Deuteranopia (green-blind)

#0066C8

Tritanopia (blue-blind)

#007B8D

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #4d63ca;
/* rgb */ color: rgb(77, 99, 202);
/* oklch */ color: oklch(53.7% 0.161 271.0);

Tailwind

colors: {
  custom: {
    50: '#8a8fdb',
    500: '#4d63ca',
    950: '#000000',
  },
}

SCSS

$custom: #4d63ca;
$custom-light: #8a8fdb;
$custom-dark: #000000;

JSON

{
  "hex": "#4d63ca",
  "rgb": {
    "r": 77,
    "g": 99,
    "b": 202
  },
  "hsl": {
    "h": 229.44,
    "s": 54.113,
    "l": 54.706
  },
  "oklch": {
    "l": 0.53748,
    "c": 0.16103,
    "h": 271
  },
  "luminance": 0.14766
}

Semantic roles & 50–950 ramp

primary

#4D63CA

secondary

#D4CA9F

accent

#C44ADD

background

#F9F8FD

surface

#F1F0FB

border

#CBCBD4

text

#0D0C15

muted

#7E7D83

Preview Lab

Preview with #4D63CA

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

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