#4151D0#4151D0

#4151D0 is a mid, vivid blue. Relative luminance 0.116; OKLCH L 50.1% C 0.195 H 271.8°. Best body text is #FFFFFF at 6.34:1 contrast (WCAG AA passes).

Color values

HEX	#4151D0
RGB	rgb(65, 81, 208)
HSL	hsl(233, 60%, 54%)
HSV	hsv(233, 69%, 82%)
CMYK	cmyk(68.8%, 61.1%, 0%, 18.4%)
CIE-LAB	lab(40.51, 35.37, -67.47)
CIE-LCH	lch(40.51, 76.17, 297.66°)
OKLab	oklab(50.12% 0.0062 -0.1946)
OKLCH	oklch(50.12% 0.195 271.8)
XYZ	xyz(16.5037, 11.5612, 61.0241)
Luminance	0.1156 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4151D0 #D0C041

analogous

#4198D0 #4151D0 #7841D0

triadic

#4151D0 #D04151 #51D041

tetradic

#4151D0 #D04198 #D0C041 #41D078

square

#4151D0 #D04198 #D0C041 #41D078

split-complementary

#4151D0 #D07841 #98D041

monochromatic

#1E2879 #2A38AA #4151D0 #727EDC #A3ABE8

Accessibility & contrast

On white

6.34

#4151D0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.31

#4151D0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4151D0

6.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4151D0	#FFFFFF	#000000	##FFFFFF
##4151D0	1.00	6.34	3.31	6.34
#FFFFFF	6.34	1.00	21.00	1.00
#000000	3.31	21.00	1.00	21.00
##FFFFFF	6.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066D4

Deuteranopia (green-blind)

#0059CE

Tritanopia (blue-blind)

#007189

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #4151d0;
/* rgb */ color: rgb(65, 81, 208);
/* oklch */ color: oklch(50.1% 0.195 271.8);

Tailwind

colors: {
  custom: {
    50: '#8781df',
    500: '#4151d0',
    950: '#000000',
  },
}

SCSS

$custom: #4151d0;
$custom-light: #8781df;
$custom-dark: #000000;

JSON

{
  "hex": "#4151d0",
  "rgb": {
    "r": 65,
    "g": 81,
    "b": 208
  },
  "hsl": {
    "h": 233.287,
    "s": 60.338,
    "l": 53.529
  },
  "oklch": {
    "l": 0.50116,
    "c": 0.19473,
    "h": 271.8
  },
  "luminance": 0.11563
}

Semantic roles & 50–950 ramp

primary

#4151D0

secondary

#D5CE98

accent

#D244E3

background

#F9F7FD

surface

#F1EEFB

border

#CBC9D4

text

#0D0A15

muted

#7E7C83

Preview Lab

Preview with #4151D0

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

Preview Lab → · Contrast checker → · Palette generator →