#4151BA#4151BA

#4151BA is a mid, vivid blue. Relative luminance 0.106; OKLCH L 48.3% C 0.165 H 272.1°. Best body text is #FFFFFF at 6.75:1 contrast (WCAG AA passes).

Color values

HEX	#4151BA
RGB	rgb(65, 81, 186)
HSL	hsl(232, 48%, 49%)
HSV	hsv(232, 65%, 73%)
CMYK	cmyk(65.1%, 56.5%, 0%, 27.1%)
CIE-LAB	lab(38.82, 27.67, -57.43)
CIE-LCH	lch(38.82, 63.75, 295.72°)
OKLab	oklab(48.33% 0.0062 -0.1652)
OKLCH	oklch(48.33% 0.165 272.1)
XYZ	xyz(13.9824, 10.5526, 47.7449)
Luminance	0.1055 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4151BA #BAAA41

analogous

#418EBA #4151BA #6E41BA

triadic

#4151BA #BA4151 #51BA41

tetradic

#4151BA #BA418E #BAAA41 #41BA6E

square

#4151BA #BA418E #BAAA41 #41BA6E

split-complementary

#4151BA #BA6E41 #8EBA41

monochromatic

#212A5F #313D8D #4151BA #6C79CC #9AA2DC

Accessibility & contrast

On white

6.75

#4151BA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.11

#4151BA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4151BA

6.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4151BA	#FFFFFF	#000000	##FFFFFF
##4151BA	1.00	6.75	3.11	6.75
#FFFFFF	6.75	1.00	21.00	1.00
#000000	3.11	21.00	1.00	21.00
##FFFFFF	6.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061BE

Deuteranopia (green-blind)

#0056B8

Tritanopia (blue-blind)

#006A7D

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #4151ba;
/* rgb */ color: rgb(65, 81, 186);
/* oklch */ color: oklch(48.3% 0.165 272.1);

Tailwind

colors: {
  custom: {
    50: '#8381cf',
    500: '#4151ba',
    950: '#000000',
  },
}

SCSS

$custom: #4151ba;
$custom-light: #8381cf;
$custom-dark: #000000;

JSON

{
  "hex": "#4151ba",
  "rgb": {
    "r": 65,
    "g": 81,
    "b": 186
  },
  "hsl": {
    "h": 232.066,
    "s": 48.207,
    "l": 49.216
  },
  "oklch": {
    "l": 0.48328,
    "c": 0.16528,
    "h": 272.1
  },
  "luminance": 0.10554
}

Semantic roles & 50–950 ramp

primary

#4151BA

secondary

#C8C08F

accent

#C650D8

background

#F8F7FC

surface

#F0EEF9

border

#CBC9D2

text

#0C0A14

muted

#7D7C82

Preview Lab

Preview with #4151BA

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

Preview Lab → · Contrast checker → · Palette generator →