#4951DB#4951DB

#4951DB is a mid, highly saturated blue. Relative luminance 0.124; OKLCH L 51.5% C 0.207 H 274.0°. Best body text is #FFFFFF at 6.03:1 contrast (WCAG AA passes).

Color values

HEX	#4951DB
RGB	rgb(73, 81, 219)
HSL	hsl(237, 67%, 57%)
HSV	hsv(237, 67%, 86%)
CMYK	cmyk(66.7%, 63%, 0%, 14.1%)
CIE-LAB	lab(41.87, 40.19, -71.54)
CIE-LCH	lch(41.87, 82.06, 299.33°)
OKLab	oklab(51.51% 0.0143 -0.2064)
OKLCH	oklch(51.51% 0.207 274)
XYZ	xyz(18.4720, 12.4141, 68.4268)
Luminance	0.1242 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4951DB #DBD349

analogous

#499ADB #4951DB #8A49DB

triadic

#4951DB #DB4951 #51DB49

tetradic

#4951DB #DB499A #DBD349 #49DB8A

square

#4951DB #DB499A #DBD349 #49DB8A

split-complementary

#4951DB #DB8A49 #9ADB49

monochromatic

#1C228E #262FC1 #4951DB #7C82E5 #AFB3EF

Accessibility & contrast

On white

6.03

#4951DB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#4951DB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4951DB

6.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4951DB	#FFFFFF	#000000	##FFFFFF
##4951DB	1.00	6.03	3.48	6.03
#FFFFFF	6.03	1.00	21.00	1.00
#000000	3.48	21.00	1.00	21.00
##FFFFFF	6.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069DF

Deuteranopia (green-blind)

#005CD8

Tritanopia (blue-blind)

#00748E

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #4951db;
/* rgb */ color: rgb(73, 81, 219);
/* oklch */ color: oklch(51.5% 0.207 274.0);

Tailwind

colors: {
  custom: {
    50: '#8d82e7',
    500: '#4951db',
    950: '#000000',
  },
}

SCSS

$custom: #4951db;
$custom-light: #8d82e7;
$custom-dark: #000000;

JSON

{
  "hex": "#4951db",
  "rgb": {
    "r": 73,
    "g": 81,
    "b": 219
  },
  "hsl": {
    "h": 236.712,
    "s": 66.972,
    "l": 57.255
  },
  "oklch": {
    "l": 0.51514,
    "c": 0.2069,
    "h": 274
  },
  "luminance": 0.12416
}

Semantic roles & 50–950 ramp

primary

#4951DB

secondary

#DDDAA2

accent

#E03EEA

background

#F9F7FE

surface

#F2EEFD

border

#CCC9D5

text

#0E0A16

muted

#7E7C84

Preview Lab

Preview with #4951DB

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

Preview Lab → · Contrast checker → · Palette generator →