#4C71DB#4C71DB

#4C71DB is a mid, vivid blue. Relative luminance 0.185; OKLCH L 57.7% C 0.167 H 266.7°. Best body text is #000000 at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#4C71DB
RGB	rgb(76, 113, 219)
HSL	hsl(224, 67%, 58%)
HSV	hsv(224, 65%, 86%)
CMYK	cmyk(65.3%, 48.4%, 0%, 14.1%)
CIE-LAB	lab(50.05, 20.75, -58.26)
CIE-LCH	lch(50.05, 61.85, 289.60°)
OKLab	oklab(57.68% -0.0097 -0.1669)
OKLCH	oklch(57.68% 0.167 266.7)
XYZ	xyz(21.6674, 18.4592, 69.4252)
Luminance	0.1846 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C71DB #DBB64C

analogous

#4CB8DB #4C71DB #6F4CDB

triadic

#4C71DB #DB4C71 #71DB4C

tetradic

#4C71DB #DB4CB8 #DBB64C #4CDB6F

square

#4C71DB #DB4CB8 #DBB64C #4CDB6F

split-complementary

#4C71DB #DB6F4C #B8DB4C

monochromatic

#1D3B90 #274FC3 #4C71DB #7F99E5 #B2C2EF

Accessibility & contrast

On white

4.48

#4C71DB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.69

#4C71DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4C71DB

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C71DB	#FFFFFF	#000000	##000000
##4C71DB	1.00	4.48	4.69	4.69
#FFFFFF	4.48	1.00	21.00	21.00
#000000	4.69	21.00	1.00	1.00
##000000	4.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#387EDF

Deuteranopia (green-blind)

#1471D9

Tritanopia (blue-blind)

#008A9B

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #4c71db;
/* rgb */ color: rgb(76, 113, 219);
/* oklch */ color: oklch(57.7% 0.167 266.7);

Tailwind

colors: {
  custom: {
    50: '#8c99e7',
    500: '#4c71db',
    950: '#000000',
  },
}

SCSS

$custom: #4c71db;
$custom-light: #8c99e7;
$custom-dark: #000000;

JSON

{
  "hex": "#4c71db",
  "rgb": {
    "r": 76,
    "g": 113,
    "b": 219
  },
  "hsl": {
    "h": 224.476,
    "s": 66.512,
    "l": 57.843
  },
  "oklch": {
    "l": 0.5768,
    "c": 0.16721,
    "h": 266.7
  },
  "luminance": 0.18461
}

Semantic roles & 50–950 ramp

primary

#4C71DB

secondary

#DECFA5

accent

#BD3EE9

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #4C71DB

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

Preview Lab → · Contrast checker → · Palette generator →