#4D71BC#4D71BC

#4D71BC is a mid, vivid blue. Relative luminance 0.170; OKLCH L 55.8% C 0.124 H 263.5°. Best body text is #FFFFFF at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#4D71BC
RGB	rgb(77, 113, 188)
HSL	hsl(221, 45%, 52%)
HSV	hsv(221, 59%, 74%)
CMYK	cmyk(59%, 39.9%, 0%, 26.3%)
CIE-LAB	lab(48.28, 10.27, -43.37)
CIE-LCH	lch(48.28, 44.57, 283.32°)
OKLab	oklab(55.75% -0.014 -0.1232)
OKLCH	oklch(55.75% 0.124 263.5)
XYZ	xyz(18.0397, 17.0174, 49.9012)
Luminance	0.1702 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D71BC #BC984D

analogous

#4DA8BC #4D71BC #614DBC

triadic

#4D71BC #BC4D71 #71BC4D

tetradic

#4D71BC #BC4DA8 #BC984D #4DBC61

square

#4D71BC #BC4DA8 #BC984D #4DBC61

split-complementary

#4D71BC #BC614D #A8BC4D

monochromatic

#273C68 #385694 #4D71BC #7994CD #A6B8DD

Accessibility & contrast

On white

4.77

#4D71BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.40

#4D71BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4D71BC

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D71BC	#FFFFFF	#000000	##FFFFFF
##4D71BC	1.00	4.77	4.40	4.77
#FFFFFF	4.77	1.00	21.00	1.00
#000000	4.40	21.00	1.00	21.00
##FFFFFF	4.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5178BF

Deuteranopia (green-blind)

#426EBA

Tritanopia (blue-blind)

#00828D

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #4d71bc;
/* rgb */ color: rgb(77, 113, 188);
/* oklch */ color: oklch(55.8% 0.124 263.5);

Tailwind

colors: {
  custom: {
    50: '#8899d0',
    500: '#4d71bc',
    950: '#000000',
  },
}

SCSS

$custom: #4d71bc;
$custom-light: #8899d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4d71bc",
  "rgb": {
    "r": 77,
    "g": 113,
    "b": 188
  },
  "hsl": {
    "h": 220.541,
    "s": 45.306,
    "l": 51.961
  },
  "oklch": {
    "l": 0.55751,
    "c": 0.12396,
    "h": 263.5
  },
  "luminance": 0.17019
}

Semantic roles & 50–950 ramp

primary

#4D71BC

secondary

#CBBB9A

accent

#AB53D5

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0D14

muted

#7D7E82

Preview Lab

Preview with #4D71BC

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

Preview Lab → · Contrast checker → · Palette generator →