#4B71DC#4B71DC

#4B71DC is a mid, vivid blue. Relative luminance 0.185; OKLCH L 57.7% C 0.169 H 266.4°. Best body text is #000000 at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#4B71DC
RGB	rgb(75, 113, 220)
HSL	hsl(224, 67%, 58%)
HSV	hsv(224, 66%, 86%)
CMYK	cmyk(65.9%, 48.6%, 0%, 13.7%)
CIE-LAB	lab(50.06, 20.94, -58.81)
CIE-LCH	lch(50.06, 62.42, 289.60°)
OKLab	oklab(57.7% -0.0105 -0.1686)
OKLCH	oklch(57.7% 0.169 266.4)
XYZ	xyz(21.7206, 18.4714, 70.1169)
Luminance	0.1847 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B71DC #DCB64B

analogous

#4BB9DC #4B71DC #6D4BDC

triadic

#4B71DC #DC4B71 #71DC4B

tetradic

#4B71DC #DC4BB9 #DCB64B #4BDC6D

square

#4B71DC #DC4BB9 #DCB64B #4BDC6D

split-complementary

#4B71DC #DC6D4B #B9DC4B

monochromatic

#1C3B91 #264FC4 #4B71DC #7E99E6 #B1C2F0

Accessibility & contrast

On white

4.47

#4B71DC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.69

#4B71DC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B71DC

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B71DC	#FFFFFF	#000000	##000000
##4B71DC	1.00	4.47	4.69	4.69
#FFFFFF	4.47	1.00	21.00	21.00
#000000	4.69	21.00	1.00	1.00
##000000	4.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#377EE0

Deuteranopia (green-blind)

#0F71DA

Tritanopia (blue-blind)

#008A9C

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #4b71dc;
/* rgb */ color: rgb(75, 113, 220);
/* oklch */ color: oklch(57.7% 0.169 266.4);

Tailwind

colors: {
  custom: {
    50: '#8c99e7',
    500: '#4b71dc',
    950: '#000000',
  },
}

SCSS

$custom: #4b71dc;
$custom-light: #8c99e7;
$custom-dark: #000000;

JSON

{
  "hex": "#4b71dc",
  "rgb": {
    "r": 75,
    "g": 113,
    "b": 220
  },
  "hsl": {
    "h": 224.276,
    "s": 67.442,
    "l": 57.843
  },
  "oklch": {
    "l": 0.57698,
    "c": 0.16888,
    "h": 266.4
  },
  "luminance": 0.18473
}

Semantic roles & 50–950 ramp

primary

#4B71DC

secondary

#DECFA4

accent

#BD3DEA

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #4B71DC

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

Preview Lab → · Contrast checker → · Palette generator →