#4151D2#4151D2

#4151D2 is a mid, vivid blue. Relative luminance 0.117; OKLCH L 50.3% C 0.197 H 271.8°. Best body text is #FFFFFF at 6.30:1 contrast (WCAG AA passes).

Color values

HEX	#4151D2
RGB	rgb(65, 81, 210)
HSL	hsl(233, 62%, 54%)
HSV	hsv(233, 69%, 82%)
CMYK	cmyk(69%, 61.4%, 0%, 17.6%)
CIE-LAB	lab(40.67, 36.06, -68.35)
CIE-LCH	lch(40.67, 77.28, 297.81°)
OKLab	oklab(50.29% 0.0062 -0.1972)
OKLCH	oklch(50.29% 0.197 271.8)
XYZ	xyz(16.7513, 11.6602, 62.3281)
Luminance	0.1166 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4151D2 #D2C241

analogous

#419AD2 #4151D2 #7A41D2

triadic

#4151D2 #D24151 #51D241

tetradic

#4151D2 #D2419A #D2C241 #41D27A

square

#4151D2 #D2419A #D2C241 #41D27A

split-complementary

#4151D2 #D27A41 #9AD241

monochromatic

#1D287B #2937AD #4151D2 #727EDE #A4ACE9

Accessibility & contrast

On white

6.30

#4151D2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#4151D2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4151D2

6.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4151D2	#FFFFFF	#000000	##FFFFFF
##4151D2	1.00	6.30	3.33	6.30
#FFFFFF	6.30	1.00	21.00	1.00
#000000	3.33	21.00	1.00	21.00
##FFFFFF	6.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067D6

Deuteranopia (green-blind)

#0059CF

Tritanopia (blue-blind)

#00728A

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #4151d2;
/* rgb */ color: rgb(65, 81, 210);
/* oklch */ color: oklch(50.3% 0.197 271.8);

Tailwind

colors: {
  custom: {
    50: '#8882e1',
    500: '#4151d2',
    950: '#000000',
  },
}

SCSS

$custom: #4151d2;
$custom-light: #8882e1;
$custom-dark: #000000;

JSON

{
  "hex": "#4151d2",
  "rgb": {
    "r": 65,
    "g": 81,
    "b": 210
  },
  "hsl": {
    "h": 233.379,
    "s": 61.702,
    "l": 53.922
  },
  "oklch": {
    "l": 0.50285,
    "c": 0.19734,
    "h": 271.8
  },
  "luminance": 0.11662
}

Semantic roles & 50–950 ramp

primary

#4151D2

secondary

#D6D098

accent

#D343E5

background

#F9F7FD

surface

#F1EEFB

border

#CBC9D4

text

#0D0A15

muted

#7E7C83

Preview Lab

Preview with #4151D2

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

Preview Lab → · Contrast checker → · Palette generator →