#4B71CD#4B71CD

#4B71CD is a mid, vivid blue. Relative luminance 0.177; OKLCH L 56.7% C 0.148 H 265.1°. Best body text is #FFFFFF at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#4B71CD
RGB	rgb(75, 113, 205)
HSL	hsl(222, 57%, 55%)
HSV	hsv(222, 63%, 80%)
CMYK	cmyk(63.4%, 44.9%, 0%, 19.6%)
CIE-LAB	lab(49.15, 15.71, -51.76)
CIE-LCH	lch(49.15, 54.09, 286.89°)
OKLab	oklab(56.7% -0.0126 -0.1478)
OKLCH	oklch(56.7% 0.148 265.1)
XYZ	xyz(19.8224, 17.7121, 60.1199)
Luminance	0.1771 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B71CD #CDA74B

analogous

#4BB2CD #4B71CD #664BCD

triadic

#4B71CD #CD4B71 #71CD4B

tetradic

#4B71CD #CD4BB2 #CDA74B #4BCD66

square

#4B71CD #CD4BB2 #CDA74B #4BCD66

split-complementary

#4B71CD #CD664B #B2CD4B

monochromatic

#223C7B #3054AB #4B71CD #7B97DA #ABBDE8

Accessibility & contrast

On white

4.62

#4B71CD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.54

#4B71CD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #4B71CD

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B71CD	#FFFFFF	#000000	##FFFFFF
##4B71CD	1.00	4.62	4.54	4.62
#FFFFFF	4.62	1.00	21.00	1.00
#000000	4.54	21.00	1.00	21.00
##FFFFFF	4.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#457BD0

Deuteranopia (green-blind)

#2F6FCB

Tritanopia (blue-blind)

#008695

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #4b71cd;
/* rgb */ color: rgb(75, 113, 205);
/* oklch */ color: oklch(56.7% 0.148 265.1);

Tailwind

colors: {
  custom: {
    50: '#8999dd',
    500: '#4b71cd',
    950: '#000000',
  },
}

SCSS

$custom: #4b71cd;
$custom-light: #8999dd;
$custom-dark: #000000;

JSON

{
  "hex": "#4b71cd",
  "rgb": {
    "r": 75,
    "g": 113,
    "b": 205
  },
  "hsl": {
    "h": 222.462,
    "s": 56.522,
    "l": 54.902
  },
  "oklch": {
    "l": 0.56701,
    "c": 0.14836,
    "h": 265.1
  },
  "luminance": 0.17714
}

Semantic roles & 50–950 ramp

primary

#4B71CD

secondary

#D5C59F

accent

#B348E0

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #4B71CD

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

Preview Lab → · Contrast checker → · Palette generator →