#4E71BA#4E71BA

#4E71BA is a mid, vivid blue. Relative luminance 0.170; OKLCH L 55.7% C 0.121 H 263.6°. Best body text is #FFFFFF at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#4E71BA
RGB	rgb(78, 113, 186)
HSL	hsl(221, 44%, 52%)
HSV	hsv(221, 58%, 73%)
CMYK	cmyk(58.1%, 39.2%, 0%, 27.1%)
CIE-LAB	lab(48.23, 9.80, -42.30)
CIE-LCH	lch(48.23, 43.42, 283.04°)
OKLab	oklab(55.69% -0.0135 -0.12)
OKLCH	oklch(55.69% 0.121 263.6)
XYZ	xyz(17.9069, 16.9737, 48.7775)
Luminance	0.1698 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E71BA #BA974E

analogous

#4EA7BA #4E71BA #614EBA

triadic

#4E71BA #BA4E71 #71BA4E

tetradic

#4E71BA #BA4EA7 #BA974E #4EBA61

square

#4E71BA #BA4EA7 #BA974E #4EBA61

split-complementary

#4E71BA #BA614E #A7BA4E

monochromatic

#283C66 #395692 #4E71BA #7A94CB #A6B8DC

Accessibility & contrast

On white

4.78

#4E71BA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.39

#4E71BA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4E71BA

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E71BA	#FFFFFF	#000000	##FFFFFF
##4E71BA	1.00	4.78	4.39	4.78
#FFFFFF	4.78	1.00	21.00	1.00
#000000	4.39	21.00	1.00	21.00
##FFFFFF	4.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5278BD

Deuteranopia (green-blind)

#446EB8

Tritanopia (blue-blind)

#00818C

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #4e71ba;
/* rgb */ color: rgb(78, 113, 186);
/* oklch */ color: oklch(55.7% 0.121 263.6);

Tailwind

colors: {
  custom: {
    50: '#8899cf',
    500: '#4e71ba',
    950: '#000000',
  },
}

SCSS

$custom: #4e71ba;
$custom-light: #8899cf;
$custom-dark: #000000;

JSON

{
  "hex": "#4e71ba",
  "rgb": {
    "r": 78,
    "g": 113,
    "b": 186
  },
  "hsl": {
    "h": 220.556,
    "s": 43.902,
    "l": 51.765
  },
  "oklch": {
    "l": 0.55688,
    "c": 0.12076,
    "h": 263.6
  },
  "luminance": 0.16975
}

Semantic roles & 50–950 ramp

primary

#4E71BA

secondary

#CABA9A

accent

#AA54D4

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0D14

muted

#7D7E82

Preview Lab

Preview with #4E71BA

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

Preview Lab → · Contrast checker → · Palette generator →