#4151C3#4151C3

#4151C3 is a mid, vivid blue. Relative luminance 0.109; OKLCH L 49.0% C 0.177 H 272.1°. Best body text is #FFFFFF at 6.58:1 contrast (WCAG AA passes).

Color values

HEX	#4151C3
RGB	rgb(65, 81, 195)
HSL	hsl(233, 52%, 51%)
HSV	hsv(233, 67%, 76%)
CMYK	cmyk(66.7%, 58.5%, 0%, 23.5%)
CIE-LAB	lab(39.49, 30.83, -61.60)
CIE-LCH	lch(39.49, 68.88, 296.59°)
OKLab	oklab(49.04% 0.0064 -0.1774)
OKLCH	oklch(49.04% 0.178 272.1)
XYZ	xyz(14.9694, 10.9474, 52.9434)
Luminance	0.1095 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4151C3 #C3B341

analogous

#4192C3 #4151C3 #7241C3

triadic

#4151C3 #C34151 #51C341

tetradic

#4151C3 #C34192 #C3B341 #41C372

square

#4151C3 #C34192 #C3B341 #41C372

split-complementary

#4151C3 #C37241 #92C341

monochromatic

#212A69 #303C97 #4151C3 #707CD2 #9EA6E0

Accessibility & contrast

On white

6.58

#4151C3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#4151C3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4151C3

6.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4151C3	#FFFFFF	#000000	##FFFFFF
##4151C3	1.00	6.58	3.19	6.58
#FFFFFF	6.58	1.00	21.00	1.00
#000000	3.19	21.00	1.00	21.00
##FFFFFF	6.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063C7

Deuteranopia (green-blind)

#0057C1

Tritanopia (blue-blind)

#006D82

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #4151c3;
/* rgb */ color: rgb(65, 81, 195);
/* oklch */ color: oklch(49.0% 0.177 272.1);

Tailwind

colors: {
  custom: {
    50: '#8581d6',
    500: '#4151c3',
    950: '#000000',
  },
}

SCSS

$custom: #4151c3;
$custom-light: #8581d6;
$custom-dark: #000000;

JSON

{
  "hex": "#4151c3",
  "rgb": {
    "r": 65,
    "g": 81,
    "b": 195
  },
  "hsl": {
    "h": 232.615,
    "s": 52,
    "l": 50.98
  },
  "oklch": {
    "l": 0.49044,
    "c": 0.1775,
    "h": 272.1
  },
  "luminance": 0.10949
}

Semantic roles & 50–950 ramp

primary

#4151C3

secondary

#CDC693

accent

#CA4CDB

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0A14

muted

#7D7C83

Preview Lab

Preview with #4151C3

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

Preview Lab → · Contrast checker → · Palette generator →