#4151C2#4151C2

#4151C2 is a mid, vivid blue. Relative luminance 0.109; OKLCH L 49.0% C 0.176 H 272.1°. Best body text is #FFFFFF at 6.60:1 contrast (WCAG AA passes).

Color values

HEX	#4151C2
RGB	rgb(65, 81, 194)
HSL	hsl(233, 51%, 51%)
HSV	hsv(233, 66%, 76%)
CMYK	cmyk(66.5%, 58.2%, 0%, 23.9%)
CIE-LAB	lab(39.42, 30.48, -61.14)
CIE-LCH	lch(39.42, 68.31, 296.50°)
OKLab	oklab(48.96% 0.0064 -0.1761)
OKLCH	oklch(48.96% 0.176 272.1)
XYZ	xyz(14.8567, 10.9024, 52.3499)
Luminance	0.1090 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4151C2 #C2B241

analogous

#4191C2 #4151C2 #7141C2

triadic

#4151C2 #C24151 #51C241

tetradic

#4151C2 #C24191 #C2B241 #41C271

square

#4151C2 #C24191 #C2B241 #41C271

split-complementary

#4151C2 #C27141 #91C241

monochromatic

#212A67 #303D96 #4151C2 #6F7BD1 #9EA6E0

Accessibility & contrast

On white

6.60

#4151C2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#4151C2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4151C2

6.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4151C2	#FFFFFF	#000000	##FFFFFF
##4151C2	1.00	6.60	3.18	6.60
#FFFFFF	6.60	1.00	21.00	1.00
#000000	3.18	21.00	1.00	21.00
##FFFFFF	6.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063C6

Deuteranopia (green-blind)

#0057C0

Tritanopia (blue-blind)

#006D81

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #4151c2;
/* rgb */ color: rgb(65, 81, 194);
/* oklch */ color: oklch(49.0% 0.176 272.1);

Tailwind

colors: {
  custom: {
    50: '#8481d5',
    500: '#4151c2',
    950: '#000000',
  },
}

SCSS

$custom: #4151c2;
$custom-light: #8481d5;
$custom-dark: #000000;

JSON

{
  "hex": "#4151c2",
  "rgb": {
    "r": 65,
    "g": 81,
    "b": 194
  },
  "hsl": {
    "h": 232.558,
    "s": 51.394,
    "l": 50.784
  },
  "oklch": {
    "l": 0.48963,
    "c": 0.17616,
    "h": 272.1
  },
  "luminance": 0.10904
}

Semantic roles & 50–950 ramp

primary

#4151C2

secondary

#CCC593

accent

#C94DDB

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0A14

muted

#7D7C83

Preview Lab

Preview with #4151C2

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

Preview Lab → · Contrast checker → · Palette generator →