#4E71B7#4E71B7

#4E71B7 is a mid, moderate blue. Relative luminance 0.168; OKLCH L 55.5% C 0.117 H 263.0°. Best body text is #FFFFFF at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#4E71B7
RGB	rgb(78, 113, 183)
HSL	hsl(220, 42%, 51%)
HSV	hsv(220, 57%, 72%)
CMYK	cmyk(57.4%, 38.3%, 0%, 28.2%)
CIE-LAB	lab(48.07, 8.79, -40.81)
CIE-LCH	lch(48.07, 41.75, 282.15°)
OKLab	oklab(55.51% -0.0141 -0.1157)
OKLCH	oklch(55.51% 0.117 263)
XYZ	xyz(17.5913, 16.8474, 47.1154)
Luminance	0.1685 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E71B7 #B7944E

analogous

#4EA5B7 #4E71B7 #5F4EB7

triadic

#4E71B7 #B74E71 #71B74E

tetradic

#4E71B7 #B74EA5 #B7944E #4EB75F

square

#4E71B7 #B74EA5 #B7944E #4EB75F

split-complementary

#4E71B7 #B75F4E #A5B74E

monochromatic

#283C63 #3A568E #4E71B7 #7A94C9 #A5B7DA

Accessibility & contrast

On white

4.81

#4E71B7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.37

#4E71B7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4E71B7

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E71B7	#FFFFFF	#000000	##FFFFFF
##4E71B7	1.00	4.81	4.37	4.81
#FFFFFF	4.81	1.00	21.00	1.00
#000000	4.37	21.00	1.00	21.00
##FFFFFF	4.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5477BA

Deuteranopia (green-blind)

#476EB6

Tritanopia (blue-blind)

#00808B

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #4e71b7;
/* rgb */ color: rgb(78, 113, 183);
/* oklch */ color: oklch(55.5% 0.117 263.0);

Tailwind

colors: {
  custom: {
    50: '#8799cd',
    500: '#4e71b7',
    950: '#000000',
  },
}

SCSS

$custom: #4e71b7;
$custom-light: #8799cd;
$custom-dark: #000000;

JSON

{
  "hex": "#4e71b7",
  "rgb": {
    "r": 78,
    "g": 113,
    "b": 183
  },
  "hsl": {
    "h": 220,
    "s": 42.169,
    "l": 51.176
  },
  "oklch": {
    "l": 0.55512,
    "c": 0.11653,
    "h": 263
  },
  "luminance": 0.16849
}

Semantic roles & 50–950 ramp

primary

#4E71B7

secondary

#C8B899

accent

#A956D2

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0D13

muted

#7D7E82

Preview Lab

Preview with #4E71B7

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

Preview Lab → · Contrast checker → · Palette generator →