#5F50BB#5F50BB

#5F50BB is a mid, vivid blue. Relative luminance 0.118; OKLCH L 50.4% C 0.162 H 285.4°. Best body text is #FFFFFF at 6.27:1 contrast (WCAG AA passes).

Color values

HEX	#5F50BB
RGB	rgb(95, 80, 187)
HSL	hsl(248, 44%, 52%)
HSV	hsv(248, 57%, 73%)
CMYK	cmyk(49.2%, 57.2%, 0%, 26.7%)
CIE-LAB	lab(40.83, 34.29, -54.66)
CIE-LCH	lch(40.83, 64.52, 302.10°)
OKLab	oklab(50.4% 0.043 -0.1562)
OKLCH	oklch(50.4% 0.162 285.4)
XYZ	xyz(16.5550, 11.7573, 48.4012)
Luminance	0.1176 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5F50BB #ACBB50

analogous

#5077BB #5F50BB #9450BB

triadic

#5F50BB #BB5F50 #50BB5F

tetradic

#5F50BB #BB5077 #ACBB50 #50BB94

square

#5F50BB #BB5077 #ACBB50 #50BB94

split-complementary

#5F50BB #BB9450 #77BB50

monochromatic

#312868 #463A94 #5F50BB #877CCC #B0A8DD

Accessibility & contrast

On white

6.27

#5F50BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.35

#5F50BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5F50BB

6.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5F50BB	#FFFFFF	#000000	##FFFFFF
##5F50BB	1.00	6.27	3.35	6.27
#FFFFFF	6.27	1.00	21.00	1.00
#000000	3.35	21.00	1.00	21.00
##FFFFFF	6.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063BF

Deuteranopia (green-blind)

#005DB9

Tritanopia (blue-blind)

#3E687E

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #5f50bb;
/* rgb */ color: rgb(95, 80, 187);
/* oklch */ color: oklch(50.4% 0.162 285.4);

Tailwind

colors: {
  custom: {
    50: '#9381d0',
    500: '#5f50bb',
    950: '#000000',
  },
}

SCSS

$custom: #5f50bb;
$custom-light: #9381d0;
$custom-dark: #000000;

JSON

{
  "hex": "#5f50bb",
  "rgb": {
    "r": 95,
    "g": 80,
    "b": 187
  },
  "hsl": {
    "h": 248.411,
    "s": 44.033,
    "l": 52.353
  },
  "oklch": {
    "l": 0.50402,
    "c": 0.162,
    "h": 285.4
  },
  "luminance": 0.11758
}

Semantic roles & 50–950 ramp

primary

#5F50BB

secondary

#C4CB9C

accent

#D454C2

background

#F9F7FC

surface

#F2EEF9

border

#CCC9D2

text

#0E0A14

muted

#7E7C82

Preview Lab

Preview with #5F50BB

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

Preview Lab → · Contrast checker → · Palette generator →