#4E71B0#4E71B0

#4E71B0 is a mid, moderate blue. Relative luminance 0.166; OKLCH L 55.1% C 0.107 H 261.5°. Best body text is #FFFFFF at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#4E71B0
RGB	rgb(78, 113, 176)
HSL	hsl(219, 39%, 50%)
HSV	hsv(219, 56%, 69%)
CMYK	cmyk(55.7%, 35.8%, 0%, 31%)
CIE-LAB	lab(47.70, 6.46, -37.32)
CIE-LCH	lch(47.70, 37.88, 279.82°)
OKLab	oklab(55.11% -0.0158 -0.1055)
OKLCH	oklch(55.11% 0.107 261.5)
XYZ	xyz(16.8808, 16.5632, 43.3733)
Luminance	0.1656 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E71B0 #B08D4E

analogous

#4EA2B0 #4E71B0 #5C4EB0

triadic

#4E71B0 #B04E71 #71B04E

tetradic

#4E71B0 #B04EA2 #B08D4E #4EB05C

square

#4E71B0 #B04EA2 #B08D4E #4EB05C

split-complementary

#4E71B0 #B05C4E #A2B04E

monochromatic

#283B5B #3B5686 #4E71B0 #7893C3 #A2B5D6

Accessibility & contrast

On white

4.87

#4E71B0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.31

#4E71B0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4E71B0

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E71B0	#FFFFFF	#000000	##FFFFFF
##4E71B0	1.00	4.87	4.31	4.87
#FFFFFF	4.87	1.00	21.00	1.00
#000000	4.31	21.00	1.00	21.00
##FFFFFF	4.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5876B3

Deuteranopia (green-blind)

#4B6DAF

Tritanopia (blue-blind)

#107F88

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #4e71b0;
/* rgb */ color: rgb(78, 113, 176);
/* oklch */ color: oklch(55.1% 0.107 261.5);

Tailwind

colors: {
  custom: {
    50: '#8799c8',
    500: '#4e71b0',
    950: '#000000',
  },
}

SCSS

$custom: #4e71b0;
$custom-light: #8799c8;
$custom-dark: #000000;

JSON

{
  "hex": "#4e71b0",
  "rgb": {
    "r": 78,
    "g": 113,
    "b": 176
  },
  "hsl": {
    "h": 218.571,
    "s": 38.583,
    "l": 49.804
  },
  "oklch": {
    "l": 0.55112,
    "c": 0.10666,
    "h": 261.5
  },
  "luminance": 0.16565
}

Semantic roles & 50–950 ramp

primary

#4E71B0

secondary

#C3B397

accent

#A559CF

background

#F8F9FC

surface

#F0F2F8

border

#CBCCD1

text

#0C0D13

muted

#7D7E82

Preview Lab

Preview with #4E71B0

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

Preview Lab → · Contrast checker → · Palette generator →