#4E71BC#4E71BC

#4E71BC is a mid, vivid blue. Relative luminance 0.171; OKLCH L 55.8% C 0.124 H 263.9°. Best body text is #FFFFFF at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#4E71BC
RGB	rgb(78, 113, 188)
HSL	hsl(221, 45%, 52%)
HSV	hsv(221, 59%, 74%)
CMYK	cmyk(58.5%, 39.9%, 0%, 26.3%)
CIE-LAB	lab(48.33, 10.47, -43.28)
CIE-LCH	lch(48.33, 44.53, 283.60°)
OKLab	oklab(55.81% -0.013 -0.1229)
OKLCH	oklch(55.81% 0.124 263.9)
XYZ	xyz(18.1210, 17.0593, 49.9050)
Luminance	0.1706 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E71BC #BC994E

analogous

#4EA8BC #4E71BC #624EBC

triadic

#4E71BC #BC4E71 #71BC4E

tetradic

#4E71BC #BC4EA8 #BC994E #4EBC62

square

#4E71BC #BC4EA8 #BC994E #4EBC62

split-complementary

#4E71BC #BC624E #A8BC4E

monochromatic

#273C68 #385695 #4E71BC #7A95CD #A7B8DE

Accessibility & contrast

On white

4.76

#4E71BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.41

#4E71BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4E71BC

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E71BC	#FFFFFF	#000000	##FFFFFF
##4E71BC	1.00	4.76	4.41	4.76
#FFFFFF	4.76	1.00	21.00	1.00
#000000	4.41	21.00	1.00	21.00
##FFFFFF	4.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5178BF

Deuteranopia (green-blind)

#436EBA

Tritanopia (blue-blind)

#00828D

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #4e71bc;
/* rgb */ color: rgb(78, 113, 188);
/* oklch */ color: oklch(55.8% 0.124 263.9);

Tailwind

colors: {
  custom: {
    50: '#8899d0',
    500: '#4e71bc',
    950: '#000000',
  },
}

SCSS

$custom: #4e71bc;
$custom-light: #8899d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4e71bc",
  "rgb": {
    "r": 78,
    "g": 113,
    "b": 188
  },
  "hsl": {
    "h": 220.909,
    "s": 45.082,
    "l": 52.157
  },
  "oklch": {
    "l": 0.55806,
    "c": 0.12358,
    "h": 263.9
  },
  "luminance": 0.17061
}

Semantic roles & 50–950 ramp

primary

#4E71BC

secondary

#CBBC9B

accent

#AB53D5

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0D14

muted

#7D7E82

Preview Lab

Preview with #4E71BC

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

Preview Lab → · Contrast checker → · Palette generator →