#4151D4#4151D4

#4151D4 is a mid, vivid blue. Relative luminance 0.118; OKLCH L 50.5% C 0.200 H 271.7°. Best body text is #FFFFFF at 6.26:1 contrast (WCAG AA passes).

Color values

HEX	#4151D4
RGB	rgb(65, 81, 212)
HSL	hsl(233, 63%, 54%)
HSV	hsv(233, 69%, 83%)
CMYK	cmyk(69.3%, 61.8%, 0%, 16.9%)
CIE-LAB	lab(40.83, 36.76, -69.24)
CIE-LCH	lch(40.83, 78.39, 297.96°)
OKLab	oklab(50.46% 0.0061 -0.1998)
OKLCH	oklch(50.46% 0.2 271.7)
XYZ	xyz(17.0021, 11.7605, 63.6486)
Luminance	0.1176 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4151D4 #D4C441

analogous

#419BD4 #4151D4 #7A41D4

triadic

#4151D4 #D44151 #51D441

tetradic

#4151D4 #D4419B #D4C441 #41D47A

square

#4151D4 #D4419B #D4C441 #41D47A

split-complementary

#4151D4 #D47A41 #9BD441

monochromatic

#1D277E #2837B0 #4151D4 #737FDF #A5ACEB

Accessibility & contrast

On white

6.26

#4151D4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.35

#4151D4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4151D4

6.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4151D4	#FFFFFF	#000000	##FFFFFF
##4151D4	1.00	6.26	3.35	6.26
#FFFFFF	6.26	1.00	21.00	1.00
#000000	3.35	21.00	1.00	21.00
##FFFFFF	6.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067D8

Deuteranopia (green-blind)

#005AD1

Tritanopia (blue-blind)

#00728B

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #4151d4;
/* rgb */ color: rgb(65, 81, 212);
/* oklch */ color: oklch(50.5% 0.200 271.7);

Tailwind

colors: {
  custom: {
    50: '#8882e2',
    500: '#4151d4',
    950: '#000000',
  },
}

SCSS

$custom: #4151d4;
$custom-light: #8882e2;
$custom-dark: #000000;

JSON

{
  "hex": "#4151d4",
  "rgb": {
    "r": 65,
    "g": 81,
    "b": 212
  },
  "hsl": {
    "h": 233.469,
    "s": 63.09,
    "l": 54.314
  },
  "oklch": {
    "l": 0.50455,
    "c": 0.19993,
    "h": 271.7
  },
  "luminance": 0.11762
}

Semantic roles & 50–950 ramp

primary

#4151D4

secondary

#D8D199

accent

#D442E6

background

#F9F7FE

surface

#F1EEFC

border

#CBC9D5

text

#0D0A15

muted

#7E7C84

Preview Lab

Preview with #4151D4

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

Preview Lab → · Contrast checker → · Palette generator →