#4151C1#4151C1

#4151C1 is a mid, vivid blue. Relative luminance 0.109; OKLCH L 48.9% C 0.175 H 272.1°. Best body text is #FFFFFF at 6.62:1 contrast (WCAG AA passes).

Color values

HEX	#4151C1
RGB	rgb(65, 81, 193)
HSL	hsl(233, 51%, 51%)
HSV	hsv(233, 66%, 76%)
CMYK	cmyk(66.3%, 58%, 0%, 24.3%)
CIE-LAB	lab(39.34, 30.13, -60.68)
CIE-LCH	lch(39.34, 67.75, 296.41°)
OKLab	oklab(48.88% 0.0064 -0.1747)
OKLCH	oklch(48.88% 0.175 272.1)
XYZ	xyz(14.7448, 10.8576, 51.7604)
Luminance	0.1086 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4151C1 #C1B141

analogous

#4191C1 #4151C1 #7141C1

triadic

#4151C1 #C14151 #51C141

tetradic

#4151C1 #C14191 #C1B141 #41C171

square

#4151C1 #C14191 #C1B141 #41C171

split-complementary

#4151C1 #C17141 #91C141

monochromatic

#212A66 #303D94 #4151C1 #6F7BD0 #9DA6DF

Accessibility & contrast

On white

6.62

#4151C1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#4151C1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4151C1

6.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4151C1	#FFFFFF	#000000	##FFFFFF
##4151C1	1.00	6.62	3.17	6.62
#FFFFFF	6.62	1.00	21.00	1.00
#000000	3.17	21.00	1.00	21.00
##FFFFFF	6.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063C5

Deuteranopia (green-blind)

#0057BF

Tritanopia (blue-blind)

#006C81

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #4151c1;
/* rgb */ color: rgb(65, 81, 193);
/* oklch */ color: oklch(48.9% 0.175 272.1);

Tailwind

colors: {
  custom: {
    50: '#8481d5',
    500: '#4151c1',
    950: '#000000',
  },
}

SCSS

$custom: #4151c1;
$custom-light: #8481d5;
$custom-dark: #000000;

JSON

{
  "hex": "#4151c1",
  "rgb": {
    "r": 65,
    "g": 81,
    "b": 193
  },
  "hsl": {
    "h": 232.5,
    "s": 50.794,
    "l": 50.588
  },
  "oklch": {
    "l": 0.48883,
    "c": 0.17482,
    "h": 272.1
  },
  "luminance": 0.10859
}

Semantic roles & 50–950 ramp

primary

#4151C1

secondary

#CBC492

accent

#C94EDA

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0A14

muted

#7D7C83

Preview Lab

Preview with #4151C1

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

Preview Lab → · Contrast checker → · Palette generator →