#4C71DA#4C71DA

#4C71DA is a mid, vivid blue. Relative luminance 0.184; OKLCH L 57.6% C 0.166 H 266.6°. Best body text is #000000 at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#4C71DA
RGB	rgb(76, 113, 218)
HSL	hsl(224, 66%, 58%)
HSV	hsv(224, 65%, 85%)
CMYK	cmyk(65.1%, 48.2%, 0%, 14.5%)
CIE-LAB	lab(49.99, 20.40, -57.80)
CIE-LCH	lch(49.99, 61.29, 289.44°)
OKLab	oklab(57.61% -0.0098 -0.1656)
OKLCH	oklch(57.61% 0.166 266.6)
XYZ	xyz(21.5361, 18.4067, 68.7340)
Luminance	0.1841 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C71DA #DAB54C

analogous

#4CB8DA #4C71DA #6E4CDA

triadic

#4C71DA #DA4C71 #71DA4C

tetradic

#4C71DA #DA4CB8 #DAB54C #4CDA6E

square

#4C71DA #DA4CB8 #DAB54C #4CDA6E

split-complementary

#4C71DA #DA6E4C #B8DA4C

monochromatic

#1D3B8E #2850C1 #4C71DA #7F99E4 #B1C1EF

Accessibility & contrast

On white

4.49

#4C71DA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.68

#4C71DA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4C71DA

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C71DA	#FFFFFF	#000000	##000000
##4C71DA	1.00	4.49	4.68	4.68
#FFFFFF	4.49	1.00	21.00	21.00
#000000	4.68	21.00	1.00	1.00
##000000	4.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#397EDE

Deuteranopia (green-blind)

#1771D8

Tritanopia (blue-blind)

#00899B

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #4c71da;
/* rgb */ color: rgb(76, 113, 218);
/* oklch */ color: oklch(57.6% 0.166 266.6);

Tailwind

colors: {
  custom: {
    50: '#8c99e6',
    500: '#4c71da',
    950: '#000000',
  },
}

SCSS

$custom: #4c71da;
$custom-light: #8c99e6;
$custom-dark: #000000;

JSON

{
  "hex": "#4c71da",
  "rgb": {
    "r": 76,
    "g": 113,
    "b": 218
  },
  "hsl": {
    "h": 224.366,
    "s": 65.741,
    "l": 57.647
  },
  "oklch": {
    "l": 0.57612,
    "c": 0.16585,
    "h": 266.6
  },
  "luminance": 0.18409
}

Semantic roles & 50–950 ramp

primary

#4C71DA

secondary

#DDCFA4

accent

#BD3FE9

background

#F9F9FE

surface

#F1F2FC

border

#CBCCD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #4C71DA

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

Preview Lab → · Contrast checker → · Palette generator →