#4E71CB#4E71CB

#4E71CB is a mid, vivid blue. Relative luminance 0.177; OKLCH L 56.7% C 0.145 H 266.0°. Best body text is #FFFFFF at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#4E71CB
RGB	rgb(78, 113, 203)
HSL	hsl(223, 55%, 55%)
HSV	hsv(223, 62%, 80%)
CMYK	cmyk(61.6%, 44.3%, 0%, 20.4%)
CIE-LAB	lab(49.18, 15.57, -50.55)
CIE-LCH	lch(49.18, 52.90, 287.12°)
OKLab	oklab(56.73% -0.0102 -0.1442)
OKLCH	oklch(56.73% 0.145 266)
XYZ	xyz(19.8228, 17.7400, 58.8679)
Luminance	0.1774 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E71CB #CBA84E

analogous

#4EAFCB #4E71CB #694ECB

triadic

#4E71CB #CB4E71 #71CB4E

tetradic

#4E71CB #CB4EAF #CBA84E #4ECB69

square

#4E71CB #CB4EAF #CBA84E #4ECB69

split-complementary

#4E71CB #CB694E #AFCB4E

monochromatic

#243C7B #3254AA #4E71CB #7D97D9 #ADBDE7

Accessibility & contrast

On white

4.62

#4E71CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.55

#4E71CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #4E71CB

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E71CB	#FFFFFF	#000000	##FFFFFF
##4E71CB	1.00	4.62	4.55	4.62
#FFFFFF	4.62	1.00	21.00	1.00
#000000	4.55	21.00	1.00	21.00
##FFFFFF	4.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#477BCE

Deuteranopia (green-blind)

#3470C9

Tritanopia (blue-blind)

#008594

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #4e71cb;
/* rgb */ color: rgb(78, 113, 203);
/* oklch */ color: oklch(56.7% 0.145 266.0);

Tailwind

colors: {
  custom: {
    50: '#8b99db',
    500: '#4e71cb',
    950: '#000000',
  },
}

SCSS

$custom: #4e71cb;
$custom-light: #8b99db;
$custom-dark: #000000;

JSON

{
  "hex": "#4e71cb",
  "rgb": {
    "r": 78,
    "g": 113,
    "b": 203
  },
  "hsl": {
    "h": 223.2,
    "s": 54.585,
    "l": 55.098
  },
  "oklch": {
    "l": 0.5673,
    "c": 0.14458,
    "h": 266
  },
  "luminance": 0.17742
}

Semantic roles & 50–950 ramp

primary

#4E71CB

secondary

#D5C6A0

accent

#B44ADE

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #4E71CB

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

Preview Lab → · Contrast checker → · Palette generator →