#4151BD#4151BD

#4151BD is a mid, vivid blue. Relative luminance 0.107; OKLCH L 48.6% C 0.169 H 272.1°. Best body text is #FFFFFF at 6.70:1 contrast (WCAG AA passes).

Color values

HEX	#4151BD
RGB	rgb(65, 81, 189)
HSL	hsl(232, 49%, 50%)
HSV	hsv(232, 66%, 74%)
CMYK	cmyk(65.6%, 57.1%, 0%, 25.9%)
CIE-LAB	lab(39.04, 28.72, -58.83)
CIE-LCH	lch(39.04, 65.47, 296.02°)
OKLab	oklab(48.56% 0.0063 -0.1693)
OKLCH	oklch(48.56% 0.169 272.1)
XYZ	xyz(14.3046, 10.6815, 49.4421)
Luminance	0.1068 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4151BD #BDAD41

analogous

#418FBD #4151BD #6F41BD

triadic

#4151BD #BD4151 #51BD41

tetradic

#4151BD #BD418F #BDAD41 #41BD6F

square

#4151BD #BD418F #BDAD41 #41BD6F

split-complementary

#4151BD #BD6F41 #8FBD41

monochromatic

#222A62 #313D8F #4151BD #6E7ACD #9CA4DD

Accessibility & contrast

On white

6.70

#4151BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#4151BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4151BD

6.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4151BD	#FFFFFF	#000000	##FFFFFF
##4151BD	1.00	6.70	3.14	6.70
#FFFFFF	6.70	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062C1

Deuteranopia (green-blind)

#0057BB

Tritanopia (blue-blind)

#006B7F

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #4151bd;
/* rgb */ color: rgb(65, 81, 189);
/* oklch */ color: oklch(48.6% 0.169 272.1);

Tailwind

colors: {
  custom: {
    50: '#8381d2',
    500: '#4151bd',
    950: '#000000',
  },
}

SCSS

$custom: #4151bd;
$custom-light: #8381d2;
$custom-dark: #000000;

JSON

{
  "hex": "#4151bd",
  "rgb": {
    "r": 65,
    "g": 81,
    "b": 189
  },
  "hsl": {
    "h": 232.258,
    "s": 48.819,
    "l": 49.804
  },
  "oklch": {
    "l": 0.48564,
    "c": 0.16938,
    "h": 272.1
  },
  "luminance": 0.10683
}

Semantic roles & 50–950 ramp

primary

#4151BD

secondary

#C9C291

accent

#C74FD8

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0A14

muted

#7D7C83

Preview Lab

Preview with #4151BD

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

Preview Lab → · Contrast checker → · Palette generator →