#4E71B1#4E71B1

#4E71B1 is a mid, moderate blue. Relative luminance 0.166; OKLCH L 55.2% C 0.108 H 261.7°. Best body text is #FFFFFF at 4.86:1 contrast (WCAG AA passes).

Color values

HEX	#4E71B1
RGB	rgb(78, 113, 177)
HSL	hsl(219, 39%, 50%)
HSV	hsv(219, 56%, 69%)
CMYK	cmyk(55.9%, 36.2%, 0%, 30.6%)
CIE-LAB	lab(47.76, 6.79, -37.82)
CIE-LCH	lch(47.76, 38.43, 280.18°)
OKLab	oklab(55.17% -0.0156 -0.1069)
OKLCH	oklch(55.17% 0.108 261.7)
XYZ	xyz(16.9801, 16.6029, 43.8963)
Luminance	0.1660 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E71B1 #B18E4E

analogous

#4EA3B1 #4E71B1 #5C4EB1

triadic

#4E71B1 #B14E71 #71B14E

tetradic

#4E71B1 #B14EA3 #B18E4E #4EB15C

square

#4E71B1 #B14EA3 #B18E4E #4EB15C

split-complementary

#4E71B1 #B15C4E #A3B14E

monochromatic

#293B5C #3B5687 #4E71B1 #7893C4 #A3B5D6

Accessibility & contrast

On white

4.86

#4E71B1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.32

#4E71B1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4E71B1

4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E71B1	#FFFFFF	#000000	##FFFFFF
##4E71B1	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)

#5776B4

Deuteranopia (green-blind)

#4B6DB0

Tritanopia (blue-blind)

#0E7F88

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #4e71b1;
/* rgb */ color: rgb(78, 113, 177);
/* oklch */ color: oklch(55.2% 0.108 261.7);

Tailwind

colors: {
  custom: {
    50: '#8799c8',
    500: '#4e71b1',
    950: '#000000',
  },
}

SCSS

$custom: #4e71b1;
$custom-light: #8799c8;
$custom-dark: #000000;

JSON

{
  "hex": "#4e71b1",
  "rgb": {
    "r": 78,
    "g": 113,
    "b": 177
  },
  "hsl": {
    "h": 218.788,
    "s": 38.824,
    "l": 50
  },
  "oklch": {
    "l": 0.55169,
    "c": 0.10807,
    "h": 261.7
  },
  "luminance": 0.16604
}

Semantic roles & 50–950 ramp

primary

#4E71B1

secondary

#C4B497

accent

#A559CF

background

#F8F9FC

surface

#F0F2F8

border

#CBCCD1

text

#0C0D13

muted

#7D7E82

Preview Lab

Preview with #4E71B1

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

Preview Lab → · Contrast checker → · Palette generator →