#513DBB#513DBB

#513DBB is a mid, vivid blue. Relative luminance 0.087; OKLCH L 46.1% C 0.188 H 283.4°. Best body text is #FFFFFF at 7.68:1 contrast (WCAG AA passes).

Color values

HEX	#513DBB
RGB	rgb(81, 61, 187)
HSL	hsl(250, 51%, 49%)
HSV	hsv(250, 67%, 73%)
CMYK	cmyk(56.7%, 67.4%, 0%, 26.7%)
CIE-LAB	lab(35.35, 42.91, -63.62)
CIE-LCH	lch(35.35, 76.74, 304.00°)
OKLab	oklab(46.1% 0.0437 -0.183)
OKLCH	oklch(46.1% 0.188 283.4)
XYZ	xyz(14.0290, 8.6738, 47.9390)
Luminance	0.0867 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#513DBB #A7BB3D

analogous

#3D68BB #513DBB #903DBB

triadic

#513DBB #BB513D #3DBB51

tetradic

#513DBB #BB3D68 #A7BB3D #3DBB90

square

#513DBB #BB3D68 #A7BB3D #3DBB90

split-complementary

#513DBB #BB903D #68BB3D

monochromatic

#291F5F #3D2E8D #513DBB #7868CE #A196DD

Accessibility & contrast

On white

7.68

#513DBB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.73

#513DBB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #513DBB

7.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##513DBB	#FFFFFF	#000000	##FFFFFF
##513DBB	1.00	7.68	2.73	7.68
#FFFFFF	7.68	1.00	21.00	1.00
#000000	2.73	21.00	1.00	21.00
##FFFFFF	7.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057BF

Deuteranopia (green-blind)

#004FB9

Tritanopia (blue-blind)

#1B5D77

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #513dbb;
/* rgb */ color: rgb(81, 61, 187);
/* oklch */ color: oklch(46.1% 0.188 283.4);

Tailwind

colors: {
  custom: {
    50: '#8c74d0',
    500: '#513dbb',
    950: '#000000',
  },
}

SCSS

$custom: #513dbb;
$custom-light: #8c74d0;
$custom-dark: #000000;

JSON

{
  "hex": "#513dbb",
  "rgb": {
    "r": 81,
    "g": 61,
    "b": 187
  },
  "hsl": {
    "h": 249.524,
    "s": 50.806,
    "l": 48.627
  },
  "oklch": {
    "l": 0.46103,
    "c": 0.18814,
    "h": 283.4
  },
  "luminance": 0.08675
}

Semantic roles & 50–950 ramp

primary

#513DBB

secondary

#BFC88C

accent

#DA4EC4

background

#F9F7FC

surface

#F1EDF9

border

#CBC8D2

text

#0D0814

muted

#7E7B82

Preview Lab

Preview with #513DBB

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

Preview Lab → · Contrast checker → · Palette generator →