#4151D5#4151D5

#4151D5 is a mid, highly saturated blue. Relative luminance 0.118; OKLCH L 50.5% C 0.201 H 271.7°. Best body text is #FFFFFF at 6.25:1 contrast (WCAG AA passes).

Color values

HEX	#4151D5
RGB	rgb(65, 81, 213)
HSL	hsl(234, 64%, 55%)
HSV	hsv(234, 69%, 84%)
CMYK	cmyk(69.5%, 62%, 0%, 16.5%)
CIE-LAB	lab(40.91, 37.10, -69.68)
CIE-LCH	lch(40.91, 78.94, 298.03°)
OKLab	oklab(50.54% 0.0061 -0.2011)
OKLCH	oklch(50.54% 0.201 271.7)
XYZ	xyz(17.1286, 11.8111, 64.3150)
Luminance	0.1181 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4151D5 #D5C541

analogous

#419BD5 #4151D5 #7B41D5

triadic

#4151D5 #D54151 #51D541

tetradic

#4151D5 #D5419B #D5C541 #41D57B

square

#4151D5 #D5419B #D5C541 #41D57B

split-complementary

#4151D5 #D57B41 #9BD541

monochromatic

#1C277F #2736B2 #4151D5 #737FE0 #A5ADEB

Accessibility & contrast

On white

6.25

#4151D5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.36

#4151D5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4151D5

6.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4151D5	#FFFFFF	#000000	##FFFFFF
##4151D5	1.00	6.25	3.36	6.25
#FFFFFF	6.25	1.00	21.00	1.00
#000000	3.36	21.00	1.00	21.00
##FFFFFF	6.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067D9

Deuteranopia (green-blind)

#005AD2

Tritanopia (blue-blind)

#00738B

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #4151d5;
/* rgb */ color: rgb(65, 81, 213);
/* oklch */ color: oklch(50.5% 0.201 271.7);

Tailwind

colors: {
  custom: {
    50: '#8882e3',
    500: '#4151d5',
    950: '#000000',
  },
}

SCSS

$custom: #4151d5;
$custom-light: #8882e3;
$custom-dark: #000000;

JSON

{
  "hex": "#4151d5",
  "rgb": {
    "r": 65,
    "g": 81,
    "b": 213
  },
  "hsl": {
    "h": 233.514,
    "s": 63.793,
    "l": 54.51
  },
  "oklch": {
    "l": 0.5054,
    "c": 0.20122,
    "h": 271.7
  },
  "luminance": 0.11813
}

Semantic roles & 50–950 ramp

primary

#4151D5

secondary

#D8D19A

accent

#D541E7

background

#F9F7FE

surface

#F1EEFC

border

#CBC9D5

text

#0D0A16

muted

#7E7C84

Preview Lab

Preview with #4151D5

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

Preview Lab → · Contrast checker → · Palette generator →