#4150BB#4150BB

#4150BB is a mid, vivid blue. Relative luminance 0.104; OKLCH L 48.2% C 0.168 H 272.4°. Best body text is #FFFFFF at 6.80:1 contrast (WCAG AA passes).

Color values

HEX	#4150BB
RGB	rgb(65, 80, 187)
HSL	hsl(233, 48%, 49%)
HSV	hsv(233, 65%, 73%)
CMYK	cmyk(65.2%, 57.2%, 0%, 26.7%)
CIE-LAB	lab(38.63, 28.66, -58.32)
CIE-LCH	lch(38.63, 64.98, 296.17°)
OKLab	oklab(48.22% 0.0071 -0.1678)
OKLCH	oklch(48.22% 0.168 272.4)
XYZ	xyz(14.0153, 10.4478, 48.2821)
Luminance	0.1045 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4150BB #BBAC41

analogous

#418DBB #4150BB #6F41BB

triadic

#4150BB #BB4150 #50BB41

tetradic

#4150BB #BB418D #BBAC41 #41BB6F

square

#4150BB #BB418D #BBAC41 #41BB6F

split-complementary

#4150BB #BB6F41 #8DBB41

monochromatic

#212960 #313D8E #4150BB #6D79CC #9AA2DC

Accessibility & contrast

On white

6.80

#4150BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.09

#4150BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4150BB

6.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4150BB	#FFFFFF	#000000	##FFFFFF
##4150BB	1.00	6.80	3.09	6.80
#FFFFFF	6.80	1.00	21.00	1.00
#000000	3.09	21.00	1.00	21.00
##FFFFFF	6.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061BF

Deuteranopia (green-blind)

#0056B9

Tritanopia (blue-blind)

#006A7D

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #4150bb;
/* rgb */ color: rgb(65, 80, 187);
/* oklch */ color: oklch(48.2% 0.168 272.4);

Tailwind

colors: {
  custom: {
    50: '#8381d0',
    500: '#4150bb',
    950: '#000000',
  },
}

SCSS

$custom: #4150bb;
$custom-light: #8381d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4150bb",
  "rgb": {
    "r": 65,
    "g": 80,
    "b": 187
  },
  "hsl": {
    "h": 232.623,
    "s": 48.413,
    "l": 49.412
  },
  "oklch": {
    "l": 0.48215,
    "c": 0.16791,
    "h": 272.4
  },
  "luminance": 0.10449
}

Semantic roles & 50–950 ramp

primary

#4150BB

secondary

#C8C190

accent

#C750D8

background

#F8F7FC

surface

#F0EEF9

border

#CBC9D2

text

#0C0A14

muted

#7D7C82

Preview Lab

Preview with #4150BB

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

Preview Lab → · Contrast checker → · Palette generator →