#5251AF#5251AF

#5251AF is a mid, vivid blue. Relative luminance 0.108; OKLCH L 48.7% C 0.146 H 280.0°. Best body text is #FFFFFF at 6.66:1 contrast (WCAG AA passes).

Color values

HEX	#5251AF
RGB	rgb(82, 81, 175)
HSL	hsl(241, 37%, 50%)
HSV	hsv(241, 54%, 69%)
CMYK	cmyk(53.1%, 53.7%, 0%, 31.4%)
CIE-LAB	lab(39.20, 27.13, -50.29)
CIE-LCH	lch(39.20, 57.14, 298.35°)
OKLab	oklab(48.66% 0.0253 -0.1437)
OKLCH	oklch(48.66% 0.146 280)
XYZ	xyz(14.1576, 10.7730, 41.8825)
Luminance	0.1077 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5251AF #AEAF51

analogous

#517FAF #5251AF #8151AF

triadic

#5251AF #AF5251 #51AF52

tetradic

#5251AF #AF517F #AEAF51 #51AF81

square

#5251AF #AF517F #AEAF51 #51AF81

split-complementary

#5251AF #AF8151 #7FAF51

monochromatic

#2B2A5C #3E3D85 #5251AF #7C7BC2 #A5A5D6

Accessibility & contrast

On white

6.66

#5251AF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#5251AF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5251AF

6.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5251AF	#FFFFFF	#000000	##FFFFFF
##5251AF	1.00	6.66	3.15	6.66
#FFFFFF	6.66	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C60B2

Deuteranopia (green-blind)

#0D59AD

Tritanopia (blue-blind)

#2A6678

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #5251af;
/* rgb */ color: rgb(82, 81, 175);
/* oklch */ color: oklch(48.7% 0.146 280.0);

Tailwind

colors: {
  custom: {
    50: '#8a82c7',
    500: '#5251af',
    950: '#000000',
  },
}

SCSS

$custom: #5251af;
$custom-light: #8a82c7;
$custom-dark: #000000;

JSON

{
  "hex": "#5251af",
  "rgb": {
    "r": 82,
    "g": 81,
    "b": 175
  },
  "hsl": {
    "h": 240.638,
    "s": 37.008,
    "l": 50.196
  },
  "oklch": {
    "l": 0.48664,
    "c": 0.1459,
    "h": 280
  },
  "luminance": 0.10774
}

Semantic roles & 50–950 ramp

primary

#5251AF

secondary

#C2C399

accent

#CD5BCC

background

#F8F7FC

surface

#F0EEF8

border

#CBC9D1

text

#0C0A13

muted

#7D7C82

Preview Lab

Preview with #5251AF

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

Preview Lab → · Contrast checker → · Palette generator →