#4151BE#4151BE

#4151BE is a mid, vivid blue. Relative luminance 0.107; OKLCH L 48.6% C 0.171 H 272.1°. Best body text is #FFFFFF at 6.68:1 contrast (WCAG AA passes).

Color values

HEX	#4151BE
RGB	rgb(65, 81, 190)
HSL	hsl(232, 49%, 50%)
HSV	hsv(232, 66%, 75%)
CMYK	cmyk(65.8%, 57.4%, 0%, 25.5%)
CIE-LAB	lab(39.11, 29.07, -59.29)
CIE-LCH	lch(39.11, 66.04, 296.12°)
OKLab	oklab(48.64% 0.0063 -0.1706)
OKLCH	oklch(48.64% 0.171 272.1)
XYZ	xyz(14.4135, 10.7251, 50.0158)
Luminance	0.1073 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4151BE #BEAE41

analogous

#4190BE #4151BE #6F41BE

triadic

#4151BE #BE4151 #51BE41

tetradic

#4151BE #BE4190 #BEAE41 #41BE6F

square

#4151BE #BE4190 #BEAE41 #41BE6F

split-complementary

#4151BE #BE6F41 #90BE41

monochromatic

#222A63 #313E90 #4151BE #6F7BCE #9CA5DD

Accessibility & contrast

On white

6.68

#4151BE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#4151BE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4151BE

6.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4151BE	#FFFFFF	#000000	##FFFFFF
##4151BE	1.00	6.68	3.15	6.68
#FFFFFF	6.68	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062C2

Deuteranopia (green-blind)

#0057BC

Tritanopia (blue-blind)

#006B7F

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #4151be;
/* rgb */ color: rgb(65, 81, 190);
/* oklch */ color: oklch(48.6% 0.171 272.1);

Tailwind

colors: {
  custom: {
    50: '#8481d2',
    500: '#4151be',
    950: '#000000',
  },
}

SCSS

$custom: #4151be;
$custom-light: #8481d2;
$custom-dark: #000000;

JSON

{
  "hex": "#4151be",
  "rgb": {
    "r": 65,
    "g": 81,
    "b": 190
  },
  "hsl": {
    "h": 232.32,
    "s": 49.02,
    "l": 50
  },
  "oklch": {
    "l": 0.48643,
    "c": 0.17075,
    "h": 272.1
  },
  "luminance": 0.10726
}

Semantic roles & 50–950 ramp

primary

#4151BE

secondary

#C9C291

accent

#C74FD9

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0A14

muted

#7D7C83

Preview Lab

Preview with #4151BE

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

Preview Lab → · Contrast checker → · Palette generator →