#4151C4#4151C4

#4151C4 is a mid, vivid blue. Relative luminance 0.110; OKLCH L 49.1% C 0.179 H 272.0°. Best body text is #FFFFFF at 6.56:1 contrast (WCAG AA passes).

Color values

HEX	#4151C4
RGB	rgb(65, 81, 196)
HSL	hsl(233, 53%, 51%)
HSV	hsv(233, 67%, 77%)
CMYK	cmyk(66.8%, 58.7%, 0%, 23.1%)
CIE-LAB	lab(39.57, 31.18, -62.05)
CIE-LCH	lch(39.57, 69.45, 296.68°)
OKLab	oklab(49.13% 0.0064 -0.1787)
OKLCH	oklch(49.13% 0.179 272)
XYZ	xyz(15.0829, 10.9928, 53.5408)
Luminance	0.1099 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4151C4 #C4B441

analogous

#4192C4 #4151C4 #7241C4

triadic

#4151C4 #C44151 #51C441

tetradic

#4151C4 #C44192 #C4B441 #41C472

square

#4151C4 #C44192 #C4B441 #41C472

split-complementary

#4151C4 #C47241 #92C441

monochromatic

#212A6A #2F3C98 #4151C4 #707CD3 #9EA7E1

Accessibility & contrast

On white

6.56

#4151C4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.20

#4151C4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4151C4

6.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4151C4	#FFFFFF	#000000	##FFFFFF
##4151C4	1.00	6.56	3.20	6.56
#FFFFFF	6.56	1.00	21.00	1.00
#000000	3.20	21.00	1.00	21.00
##FFFFFF	6.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063C8

Deuteranopia (green-blind)

#0057C2

Tritanopia (blue-blind)

#006D82

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #4151c4;
/* rgb */ color: rgb(65, 81, 196);
/* oklch */ color: oklch(49.1% 0.179 272.0);

Tailwind

colors: {
  custom: {
    50: '#8581d7',
    500: '#4151c4',
    950: '#000000',
  },
}

SCSS

$custom: #4151c4;
$custom-light: #8581d7;
$custom-dark: #000000;

JSON

{
  "hex": "#4151c4",
  "rgb": {
    "r": 65,
    "g": 81,
    "b": 196
  },
  "hsl": {
    "h": 232.672,
    "s": 52.61,
    "l": 51.176
  },
  "oklch": {
    "l": 0.49125,
    "c": 0.17885,
    "h": 272
  },
  "luminance": 0.10994
}

Semantic roles & 50–950 ramp

primary

#4151C4

secondary

#CDC693

accent

#CA4CDC

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0A14

muted

#7D7C83

Preview Lab

Preview with #4151C4

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

Preview Lab → · Contrast checker → · Palette generator →