#4F53B0#4F53B0

#4F53B0 is a mid, vivid blue. Relative luminance 0.110; OKLCH L 48.9% C 0.145 H 277.7°. Best body text is #FFFFFF at 6.57:1 contrast (WCAG AA passes).

Color values

HEX	#4F53B0
RGB	rgb(79, 83, 176)
HSL	hsl(238, 38%, 50%)
HSV	hsv(238, 55%, 69%)
CMYK	cmyk(55.1%, 52.8%, 0%, 31%)
CIE-LAB	lab(39.55, 25.57, -50.32)
CIE-LCH	lch(39.55, 56.44, 296.93°)
OKLab	oklab(48.9% 0.0195 -0.1438)
OKLCH	oklch(48.9% 0.145 277.7)
XYZ	xyz(14.1517, 10.9824, 42.4400)
Luminance	0.1098 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F53B0 #B0AC4F

analogous

#4F83B0 #4F53B0 #7C4FB0

triadic

#4F53B0 #B04F53 #53B04F

tetradic

#4F53B0 #B04F83 #B0AC4F #4FB07C

square

#4F53B0 #B04F83 #B0AC4F #4FB07C

split-complementary

#4F53B0 #B07C4F #83B04F

monochromatic

#292B5C #3C3F86 #4F53B0 #797CC3 #A3A6D6

Accessibility & contrast

On white

6.57

#4F53B0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.20

#4F53B0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F53B0

6.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F53B0	#FFFFFF	#000000	##FFFFFF
##4F53B0	1.00	6.57	3.20	6.57
#FFFFFF	6.57	1.00	21.00	1.00
#000000	3.20	21.00	1.00	21.00
##FFFFFF	6.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F61B3

Deuteranopia (green-blind)

#0D59AE

Tritanopia (blue-blind)

#1F6879

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #4f53b0;
/* rgb */ color: rgb(79, 83, 176);
/* oklch */ color: oklch(48.9% 0.145 277.7);

Tailwind

colors: {
  custom: {
    50: '#8883c8',
    500: '#4f53b0',
    950: '#000000',
  },
}

SCSS

$custom: #4f53b0;
$custom-light: #8883c8;
$custom-dark: #000000;

JSON

{
  "hex": "#4f53b0",
  "rgb": {
    "r": 79,
    "g": 83,
    "b": 176
  },
  "hsl": {
    "h": 237.526,
    "s": 38.039,
    "l": 50
  },
  "oklch": {
    "l": 0.48895,
    "c": 0.14516,
    "h": 277.7
  },
  "luminance": 0.10983
}

Semantic roles & 50–950 ramp

primary

#4F53B0

secondary

#C3C198

accent

#C95ACE

background

#F8F8FC

surface

#F0EFF8

border

#CBCAD1

text

#0C0A13

muted

#7D7C82

Preview Lab

Preview with #4F53B0

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

Preview Lab → · Contrast checker → · Palette generator →