#4D71B2#4D71B2

#4D71B2 is a mid, moderate blue. Relative luminance 0.166; OKLCH L 55.2% C 0.110 H 261.5°. Best body text is #FFFFFF at 4.86:1 contrast (WCAG AA passes).

Color values

HEX	#4D71B2
RGB	rgb(77, 113, 178)
HSL	hsl(219, 40%, 50%)
HSV	hsv(219, 57%, 70%)
CMYK	cmyk(56.7%, 36.5%, 0%, 30.2%)
CIE-LAB	lab(47.75, 6.91, -38.41)
CIE-LCH	lch(47.75, 39.03, 280.19°)
OKLab	oklab(55.17% -0.0163 -0.1087)
OKLCH	oklch(55.17% 0.11 261.5)
XYZ	xyz(16.9988, 16.6010, 44.4194)
Luminance	0.1660 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D71B2 #B28E4D

analogous

#4DA3B2 #4D71B2 #5C4DB2

triadic

#4D71B2 #B24D71 #71B24D

tetradic

#4D71B2 #B24DA3 #B28E4D #4DB25C

square

#4D71B2 #B24DA3 #B28E4D #4DB25C

split-complementary

#4D71B2 #B25C4D #A3B24D

monochromatic

#283B5D #3B5687 #4D71B2 #7893C4 #A2B5D7

Accessibility & contrast

On white

4.86

#4D71B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.32

#4D71B2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4D71B2

4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D71B2	#FFFFFF	#000000	##FFFFFF
##4D71B2	1.00	4.86	4.32	4.86
#FFFFFF	4.86	1.00	21.00	1.00
#000000	4.32	21.00	1.00	21.00
##FFFFFF	4.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5676B5

Deuteranopia (green-blind)

#4A6DB1

Tritanopia (blue-blind)

#037F89

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #4d71b2;
/* rgb */ color: rgb(77, 113, 178);
/* oklch */ color: oklch(55.2% 0.110 261.5);

Tailwind

colors: {
  custom: {
    50: '#8699c9',
    500: '#4d71b2',
    950: '#000000',
  },
}

SCSS

$custom: #4d71b2;
$custom-light: #8699c9;
$custom-dark: #000000;

JSON

{
  "hex": "#4d71b2",
  "rgb": {
    "r": 77,
    "g": 113,
    "b": 178
  },
  "hsl": {
    "h": 218.614,
    "s": 39.608,
    "l": 50
  },
  "oklch": {
    "l": 0.55169,
    "c": 0.10989,
    "h": 261.5
  },
  "luminance": 0.16602
}

Semantic roles & 50–950 ramp

primary

#4D71B2

secondary

#C4B497

accent

#A558CF

background

#F8F9FC

surface

#F0F2F8

border

#CBCCD1

text

#0C0D13

muted

#7D7E82

Preview Lab

Preview with #4D71B2

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

Preview Lab → · Contrast checker → · Palette generator →