#4D71CF#4D71CF

#4D71CF is a mid, vivid blue. Relative luminance 0.179; OKLCH L 56.9% C 0.150 H 266.0°. Best body text is #FFFFFF at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#4D71CF
RGB	rgb(77, 113, 207)
HSL	hsl(223, 58%, 56%)
HSV	hsv(223, 63%, 81%)
CMYK	cmyk(62.8%, 45.4%, 0%, 18.8%)
CIE-LAB	lab(49.36, 16.76, -52.54)
CIE-LCH	lch(49.36, 55.15, 287.69°)
OKLab	oklab(56.93% -0.0104 -0.1501)
OKLCH	oklch(56.93% 0.15 266)
XYZ	xyz(20.2243, 17.8912, 61.4069)
Luminance	0.1789 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D71CF #CFAB4D

analogous

#4DB2CF #4D71CF #6A4DCF

triadic

#4D71CF #CF4D71 #71CF4D

tetradic

#4D71CF #CF4DB2 #CFAB4D #4DCF6A

square

#4D71CF #CF4DB2 #CFAB4D #4DCF6A

split-complementary

#4D71CF #CF6A4D #B2CF4D

monochromatic

#223C7F #2F53AF #4D71CF #7D97DC #ADBEE9

Accessibility & contrast

On white

4.59

#4D71CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.58

#4D71CF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #4D71CF

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D71CF	#FFFFFF	#000000	##FFFFFF
##4D71CF	1.00	4.59	4.58	4.59
#FFFFFF	4.59	1.00	21.00	1.00
#000000	4.58	21.00	1.00	21.00
##FFFFFF	4.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#447CD3

Deuteranopia (green-blind)

#2E70CD

Tritanopia (blue-blind)

#008696

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #4d71cf;
/* rgb */ color: rgb(77, 113, 207);
/* oklch */ color: oklch(56.9% 0.150 266.0);

Tailwind

colors: {
  custom: {
    50: '#8b99de',
    500: '#4d71cf',
    950: '#000000',
  },
}

SCSS

$custom: #4d71cf;
$custom-light: #8b99de;
$custom-dark: #000000;

JSON

{
  "hex": "#4d71cf",
  "rgb": {
    "r": 77,
    "g": 113,
    "b": 207
  },
  "hsl": {
    "h": 223.385,
    "s": 57.522,
    "l": 55.686
  },
  "oklch": {
    "l": 0.56934,
    "c": 0.15045,
    "h": 266
  },
  "luminance": 0.17893
}

Semantic roles & 50–950 ramp

primary

#4D71CF

secondary

#D7C8A1

accent

#B647E1

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #4D71CF

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

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