#4B71CE#4B71CE

#4B71CE is a mid, vivid blue. Relative luminance 0.178; OKLCH L 56.8% C 0.150 H 265.2°. Best body text is #FFFFFF at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#4B71CE
RGB	rgb(75, 113, 206)
HSL	hsl(223, 57%, 55%)
HSV	hsv(223, 64%, 81%)
CMYK	cmyk(63.6%, 45.1%, 0%, 19.2%)
CIE-LAB	lab(49.20, 16.06, -52.23)
CIE-LCH	lch(49.20, 54.65, 287.09°)
OKLab	oklab(56.77% -0.0124 -0.1492)
OKLCH	oklch(56.77% 0.15 265.2)
XYZ	xyz(19.9435, 17.7605, 60.7577)
Luminance	0.1776 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B71CE #CEA84B

analogous

#4BB3CE #4B71CE #664BCE

triadic

#4B71CE #CE4B71 #71CE4B

tetradic

#4B71CE #CE4BB3 #CEA84B #4BCE66

square

#4B71CE #CE4BB3 #CEA84B #4BCE66

split-complementary

#4B71CE #CE664B #B3CE4B

monochromatic

#223C7D #2F54AD #4B71CE #7B97DB #ABBDE8

Accessibility & contrast

On white

4.61

#4B71CE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.55

#4B71CE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #4B71CE

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B71CE	#FFFFFF	#000000	##FFFFFF
##4B71CE	1.00	4.61	4.55	4.61
#FFFFFF	4.61	1.00	21.00	1.00
#000000	4.55	21.00	1.00	21.00
##FFFFFF	4.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#447BD2

Deuteranopia (green-blind)

#2E6FCC

Tritanopia (blue-blind)

#008695

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #4b71ce;
/* rgb */ color: rgb(75, 113, 206);
/* oklch */ color: oklch(56.8% 0.150 265.2);

Tailwind

colors: {
  custom: {
    50: '#8a99dd',
    500: '#4b71ce',
    950: '#000000',
  },
}

SCSS

$custom: #4b71ce;
$custom-light: #8a99dd;
$custom-dark: #000000;

JSON

{
  "hex": "#4b71ce",
  "rgb": {
    "r": 75,
    "g": 113,
    "b": 206
  },
  "hsl": {
    "h": 222.595,
    "s": 57.205,
    "l": 55.098
  },
  "oklch": {
    "l": 0.56766,
    "c": 0.14974,
    "h": 265.2
  },
  "luminance": 0.17762
}

Semantic roles & 50–950 ramp

primary

#4B71CE

secondary

#D6C69F

accent

#B447E0

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #4B71CE

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

Preview Lab → · Contrast checker → · Palette generator →