#4B50DB#4B50DB

#4B50DB is a mid, highly saturated blue. Relative luminance 0.123; OKLCH L 51.5% C 0.208 H 274.8°. Best body text is #FFFFFF at 6.05:1 contrast (WCAG AA passes).

Color values

HEX	#4B50DB
RGB	rgb(75, 80, 219)
HSL	hsl(238, 67%, 58%)
HSV	hsv(238, 66%, 86%)
CMYK	cmyk(65.8%, 63.5%, 0%, 14.1%)
CIE-LAB	lab(41.76, 41.07, -71.71)
CIE-LCH	lch(41.76, 82.64, 299.80°)
OKLab	oklab(51.47% 0.0173 -0.2068)
OKLCH	oklch(51.47% 0.208 274.8)
XYZ	xyz(18.5523, 12.3460, 68.4094)
Luminance	0.1235 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B50DB #DBD64B

analogous

#4B98DB #4B50DB #8E4BDB

triadic

#4B50DB #DB4B50 #50DB4B

tetradic

#4B50DB #DB4B98 #DBD64B #4BDB8E

square

#4B50DB #DB4B98 #DBD64B #4BDB8E

split-complementary

#4B50DB #DB8E4B #98DB4B

monochromatic

#1D218F #272CC2 #4B50DB #7E82E5 #B1B3EF

Accessibility & contrast

On white

6.05

#4B50DB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.47

#4B50DB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B50DB

6.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B50DB	#FFFFFF	#000000	##FFFFFF
##4B50DB	1.00	6.05	3.47	6.05
#FFFFFF	6.05	1.00	21.00	1.00
#000000	3.47	21.00	1.00	21.00
##FFFFFF	6.05	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: #4b50db;
/* rgb */ color: rgb(75, 80, 219);
/* oklch */ color: oklch(51.5% 0.208 274.8);

Tailwind

colors: {
  custom: {
    50: '#8e81e7',
    500: '#4b50db',
    950: '#000000',
  },
}

SCSS

$custom: #4b50db;
$custom-light: #8e81e7;
$custom-dark: #000000;

JSON

{
  "hex": "#4b50db",
  "rgb": {
    "r": 75,
    "g": 80,
    "b": 219
  },
  "hsl": {
    "h": 237.917,
    "s": 66.667,
    "l": 57.647
  },
  "oklch": {
    "l": 0.51469,
    "c": 0.20757,
    "h": 274.8
  },
  "luminance": 0.12348
}

Semantic roles & 50–950 ramp

primary

#4B50DB

secondary

#DEDCA4

accent

#E43EEA

background

#F9F7FE

surface

#F2EEFD

border

#CCC9D5

text

#0E0A16

muted

#7E7C84

Preview Lab

Preview with #4B50DB

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

Preview Lab → · Contrast checker → · Palette generator →