#4B71CA#4B71CA

#4B71CA is a mid, vivid blue. Relative luminance 0.176; OKLCH L 56.5% C 0.144 H 264.8°. Best body text is #FFFFFF at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#4B71CA
RGB	rgb(75, 113, 202)
HSL	hsl(222, 55%, 54%)
HSV	hsv(222, 63%, 79%)
CMYK	cmyk(62.9%, 44.1%, 0%, 20.8%)
CIE-LAB	lab(48.97, 14.68, -50.33)
CIE-LCH	lch(48.97, 52.42, 286.26°)
OKLab	oklab(56.51% -0.0131 -0.1436)
OKLCH	oklch(56.51% 0.144 264.8)
XYZ	xyz(19.4638, 17.5686, 58.2310)
Luminance	0.1757 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B71CA #CAA44B

analogous

#4BB1CA #4B71CA #654BCA

triadic

#4B71CA #CA4B71 #71CA4B

tetradic

#4B71CA #CA4BB1 #CAA44B #4BCA65

square

#4B71CA #CA4BB1 #CAA44B #4BCA65

split-complementary

#4B71CA #CA654B #B1CA4B

monochromatic

#233C77 #3154A7 #4B71CA #7A96D8 #AABCE6

Accessibility & contrast

On white

4.65

#4B71CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.51

#4B71CA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #4B71CA

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B71CA	#FFFFFF	#000000	##FFFFFF
##4B71CA	1.00	4.65	4.51	4.65
#FFFFFF	4.65	1.00	21.00	1.00
#000000	4.51	21.00	1.00	21.00
##FFFFFF	4.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#477BCD

Deuteranopia (green-blind)

#336FC8

Tritanopia (blue-blind)

#008594

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #4b71ca;
/* rgb */ color: rgb(75, 113, 202);
/* oklch */ color: oklch(56.5% 0.144 264.8);

Tailwind

colors: {
  custom: {
    50: '#8999db',
    500: '#4b71ca',
    950: '#000000',
  },
}

SCSS

$custom: #4b71ca;
$custom-light: #8999db;
$custom-dark: #000000;

JSON

{
  "hex": "#4b71ca",
  "rgb": {
    "r": 75,
    "g": 113,
    "b": 202
  },
  "hsl": {
    "h": 222.047,
    "s": 54.506,
    "l": 54.314
  },
  "oklch": {
    "l": 0.56509,
    "c": 0.14421,
    "h": 264.8
  },
  "luminance": 0.1757
}

Semantic roles & 50–950 ramp

primary

#4B71CA

secondary

#D3C39D

accent

#B24ADE

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0D0D15

muted

#7D7E83

Preview Lab

Preview with #4B71CA

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

Preview Lab → · Contrast checker → · Palette generator →