#4F74DB#4F74DB

#4F74DB is a mid, vivid blue. Relative luminance 0.193; OKLCH L 58.4% C 0.163 H 266.5°. Best body text is #000000 at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#4F74DB
RGB	rgb(79, 116, 219)
HSL	hsl(224, 66%, 58%)
HSV	hsv(224, 64%, 86%)
CMYK	cmyk(63.9%, 47%, 0%, 14.1%)
CIE-LAB	lab(51.00, 19.38, -56.73)
CIE-LCH	lch(51.00, 59.95, 288.86°)
OKLab	oklab(58.44% -0.0098 -0.1623)
OKLCH	oklch(58.44% 0.163 266.5)
XYZ	xyz(22.2516, 19.2655, 69.5501)
Luminance	0.1927 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F74DB #DBB64F

analogous

#4FBADB #4F74DB #704FDB

triadic

#4F74DB #DB4F74 #74DB4F

tetradic

#4F74DB #DB4FBA #DBB64F #4FDB70

square

#4F74DB #DB4FBA #DBB64F #4FDB70

split-complementary

#4F74DB #DB704F #BADB4F

monochromatic

#1E3C92 #2852C5 #4F74DB #829CE5 #B5C4F0

Accessibility & contrast

On white

4.33

#4F74DB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.85

#4F74DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F74DB

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F74DB	#FFFFFF	#000000	##000000
##4F74DB	1.00	4.33	4.85	4.85
#FFFFFF	4.33	1.00	21.00	21.00
#000000	4.85	21.00	1.00	1.00
##000000	4.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4080DF

Deuteranopia (green-blind)

#2473D9

Tritanopia (blue-blind)

#008C9D

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #4f74db;
/* rgb */ color: rgb(79, 116, 219);
/* oklch */ color: oklch(58.4% 0.163 266.5);

Tailwind

colors: {
  custom: {
    50: '#8e9be7',
    500: '#4f74db',
    950: '#000000',
  },
}

SCSS

$custom: #4f74db;
$custom-light: #8e9be7;
$custom-dark: #000000;

JSON

{
  "hex": "#4f74db",
  "rgb": {
    "r": 79,
    "g": 116,
    "b": 219
  },
  "hsl": {
    "h": 224.143,
    "s": 66.038,
    "l": 58.431
  },
  "oklch": {
    "l": 0.58443,
    "c": 0.16262,
    "h": 266.5
  },
  "luminance": 0.19268
}

Semantic roles & 50–950 ramp

primary

#4F74DB

secondary

#DFD0A7

accent

#BC3FE9

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #4F74DB

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

Preview Lab → · Contrast checker → · Palette generator →