#4C71D9#4C71D9

#4C71D9 is a mid, vivid blue. Relative luminance 0.184; OKLCH L 57.5% C 0.164 H 266.5°. Best body text is #000000 at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#4C71D9
RGB	rgb(76, 113, 217)
HSL	hsl(224, 65%, 57%)
HSV	hsv(224, 65%, 85%)
CMYK	cmyk(65%, 47.9%, 0%, 14.9%)
CIE-LAB	lab(49.92, 20.05, -57.33)
CIE-LCH	lch(49.92, 60.74, 289.28°)
OKLab	oklab(57.55% -0.0099 -0.1642)
OKLCH	oklch(57.55% 0.164 266.5)
XYZ	xyz(21.4057, 18.3545, 68.0469)
Luminance	0.1836 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C71D9 #D9B44C

analogous

#4CB8D9 #4C71D9 #6D4CD9

triadic

#4C71D9 #D94C71 #71D94C

tetradic

#4C71D9 #D94CB8 #D9B44C #4CD96D

square

#4C71D9 #D94CB8 #D9B44C #4CD96D

split-complementary

#4C71D9 #D96D4C #B8D94C

monochromatic

#1E3B8D #2950BF #4C71D9 #7E99E4 #B1C1EE

Accessibility & contrast

On white

4.50

#4C71D9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.67

#4C71D9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4C71D9

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C71D9	#FFFFFF	#000000	##000000
##4C71D9	1.00	4.50	4.67	4.67
#FFFFFF	4.50	1.00	21.00	21.00
#000000	4.67	21.00	1.00	1.00
##000000	4.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A7EDD

Deuteranopia (green-blind)

#1A71D7

Tritanopia (blue-blind)

#00899A

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #4c71d9;
/* rgb */ color: rgb(76, 113, 217);
/* oklch */ color: oklch(57.5% 0.164 266.5);

Tailwind

colors: {
  custom: {
    50: '#8c99e5',
    500: '#4c71d9',
    950: '#000000',
  },
}

SCSS

$custom: #4c71d9;
$custom-light: #8c99e5;
$custom-dark: #000000;

JSON

{
  "hex": "#4c71d9",
  "rgb": {
    "r": 76,
    "g": 113,
    "b": 217
  },
  "hsl": {
    "h": 224.255,
    "s": 64.977,
    "l": 57.451
  },
  "oklch": {
    "l": 0.57545,
    "c": 0.16449,
    "h": 266.5
  },
  "luminance": 0.18357
}

Semantic roles & 50–950 ramp

primary

#4C71D9

secondary

#DDCEA4

accent

#BC40E8

background

#F9F9FE

surface

#F1F2FC

border

#CBCCD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #4C71D9

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

Preview Lab → · Contrast checker → · Palette generator →