#5251B2#5251B2

#5251B2 is a mid, vivid blue. Relative luminance 0.109; OKLCH L 48.9% C 0.150 H 279.7°. Best body text is #FFFFFF at 6.61:1 contrast (WCAG AA passes).

Color values

HEX	#5251B2
RGB	rgb(82, 81, 178)
HSL	hsl(241, 39%, 51%)
HSV	hsv(241, 54%, 70%)
CMYK	cmyk(53.9%, 54.5%, 0%, 30.2%)
CIE-LAB	lab(39.40, 28.11, -51.73)
CIE-LCH	lch(39.40, 58.87, 298.51°)
OKLab	oklab(48.88% 0.0254 -0.1479)
OKLCH	oklch(48.88% 0.15 279.7)
XYZ	xyz(14.4555, 10.8922, 43.4515)
Luminance	0.1089 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5251B2 #B1B251

analogous

#5180B2 #5251B2 #8251B2

triadic

#5251B2 #B25251 #51B252

tetradic

#5251B2 #B25180 #B1B251 #51B282

square

#5251B2 #B25180 #B1B251 #51B282

split-complementary

#5251B2 #B28251 #80B251

monochromatic

#2A2A5F #3D3D89 #5251B2 #7C7BC5 #A6A6D8

Accessibility & contrast

On white

6.61

#5251B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#5251B2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5251B2

6.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5251B2	#FFFFFF	#000000	##FFFFFF
##5251B2	1.00	6.61	3.18	6.61
#FFFFFF	6.61	1.00	21.00	1.00
#000000	3.18	21.00	1.00	21.00
##FFFFFF	6.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1661B5

Deuteranopia (green-blind)

#0159B0

Tritanopia (blue-blind)

#276779

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #5251b2;
/* rgb */ color: rgb(82, 81, 178);
/* oklch */ color: oklch(48.9% 0.150 279.7);

Tailwind

colors: {
  custom: {
    50: '#8a82ca',
    500: '#5251b2',
    950: '#000000',
  },
}

SCSS

$custom: #5251b2;
$custom-light: #8a82ca;
$custom-dark: #000000;

JSON

{
  "hex": "#5251b2",
  "rgb": {
    "r": 82,
    "g": 81,
    "b": 178
  },
  "hsl": {
    "h": 240.619,
    "s": 38.645,
    "l": 50.784
  },
  "oklch": {
    "l": 0.4888,
    "c": 0.15011,
    "h": 279.7
  },
  "luminance": 0.10893
}

Semantic roles & 50–950 ramp

primary

#5251B2

secondary

#C4C59A

accent

#CF59CD

background

#F8F7FC

surface

#F0EEF8

border

#CBC9D1

text

#0C0A13

muted

#7D7C82

Preview Lab

Preview with #5251B2

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

Preview Lab → · Contrast checker → · Palette generator →