#4951CB#4951CB

#4951CB is a mid, vivid blue. Relative luminance 0.116; OKLCH L 50.2% C 0.186 H 274.6°. Best body text is #FFFFFF at 6.32:1 contrast (WCAG AA passes).

Color values

HEX	#4951CB
RGB	rgb(73, 81, 203)
HSL	hsl(236, 56%, 54%)
HSV	hsv(236, 64%, 80%)
CMYK	cmyk(64%, 60.1%, 0%, 20.4%)
CIE-LAB	lab(40.59, 34.80, -64.42)
CIE-LCH	lch(40.59, 73.22, 298.38°)
OKLab	oklab(50.18% 0.015 -0.1855)
OKLCH	oklch(50.18% 0.186 274.6)
XYZ	xyz(16.4660, 11.6117, 57.8619)
Luminance	0.1161 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4951CB #CBC349

analogous

#4992CB #4951CB #8249CB

triadic

#4951CB #CB4951 #51CB49

tetradic

#4951CB #CB4992 #CBC349 #49CB82

square

#4951CB #CB4992 #CBC349 #49CB82

split-complementary

#4951CB #CB8249 #92CB49

monochromatic

#222777 #3037A7 #4951CB #797FD9 #A8ACE6

Accessibility & contrast

On white

6.32

#4951CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.32

#4951CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4951CB

6.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4951CB	#FFFFFF	#000000	##FFFFFF
##4951CB	1.00	6.32	3.32	6.32
#FFFFFF	6.32	1.00	21.00	1.00
#000000	3.32	21.00	1.00	21.00
##FFFFFF	6.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066CF

Deuteranopia (green-blind)

#005AC9

Tritanopia (blue-blind)

#006F86

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #4951cb;
/* rgb */ color: rgb(73, 81, 203);
/* oklch */ color: oklch(50.2% 0.186 274.6);

Tailwind

colors: {
  custom: {
    50: '#8a82dc',
    500: '#4951cb',
    950: '#000000',
  },
}

SCSS

$custom: #4951cb;
$custom-light: #8a82dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4951cb",
  "rgb": {
    "r": 73,
    "g": 81,
    "b": 203
  },
  "hsl": {
    "h": 236.308,
    "s": 55.556,
    "l": 54.118
  },
  "oklch": {
    "l": 0.5018,
    "c": 0.18612,
    "h": 274.6
  },
  "luminance": 0.11613
}

Semantic roles & 50–950 ramp

primary

#4951CB

secondary

#D4D09C

accent

#D649DF

background

#F9F7FD

surface

#F1EEFB

border

#CBC9D4

text

#0D0A15

muted

#7E7C83

Preview Lab

Preview with #4951CB

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

Preview Lab → · Contrast checker → · Palette generator →