#4E71CC#4E71CC

#4E71CC is a mid, vivid blue. Relative luminance 0.178; OKLCH L 56.8% C 0.146 H 266.1°. Best body text is #FFFFFF at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#4E71CC
RGB	rgb(78, 113, 204)
HSL	hsl(223, 55%, 55%)
HSV	hsv(223, 62%, 80%)
CMYK	cmyk(61.8%, 44.6%, 0%, 20%)
CIE-LAB	lab(49.24, 15.91, -51.03)
CIE-LCH	lch(49.24, 53.45, 287.32°)
OKLab	oklab(56.79% -0.01 -0.1456)
OKLCH	oklch(56.79% 0.146 266.1)
XYZ	xyz(19.9424, 17.7878, 59.4975)
Luminance	0.1779 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E71CC #CCA94E

analogous

#4EB0CC #4E71CC #6A4ECC

triadic

#4E71CC #CC4E71 #71CC4E

tetradic

#4E71CC #CC4EB0 #CCA94E #4ECC6A

square

#4E71CC #CC4EB0 #CCA94E #4ECC6A

split-complementary

#4E71CC #CC6A4E #B0CC4E

monochromatic

#243C7C #3153AB #4E71CC #7E97DA #ADBDE7

Accessibility & contrast

On white

4.61

#4E71CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.56

#4E71CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #4E71CC

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E71CC	#FFFFFF	#000000	##FFFFFF
##4E71CC	1.00	4.61	4.56	4.61
#FFFFFF	4.61	1.00	21.00	1.00
#000000	4.56	21.00	1.00	21.00
##FFFFFF	4.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#467BCF

Deuteranopia (green-blind)

#3270CA

Tritanopia (blue-blind)

#008694

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #4e71cc;
/* rgb */ color: rgb(78, 113, 204);
/* oklch */ color: oklch(56.8% 0.146 266.1);

Tailwind

colors: {
  custom: {
    50: '#8b99dc',
    500: '#4e71cc',
    950: '#000000',
  },
}

SCSS

$custom: #4e71cc;
$custom-light: #8b99dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4e71cc",
  "rgb": {
    "r": 78,
    "g": 113,
    "b": 204
  },
  "hsl": {
    "h": 223.333,
    "s": 55.263,
    "l": 55.294
  },
  "oklch": {
    "l": 0.56794,
    "c": 0.14597,
    "h": 266.1
  },
  "luminance": 0.1779
}

Semantic roles & 50–950 ramp

primary

#4E71CC

secondary

#D5C7A1

accent

#B549DF

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #4E71CC

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

Preview Lab → · Contrast checker → · Palette generator →