#513EBB#513EBB

#513EBB is a mid, vivid blue. Relative luminance 0.088; OKLCH L 46.3% C 0.187 H 283.2°. Best body text is #FFFFFF at 7.62:1 contrast (WCAG AA passes).

Color values

HEX	#513EBB
RGB	rgb(81, 62, 187)
HSL	hsl(249, 50%, 49%)
HSV	hsv(249, 67%, 73%)
CMYK	cmyk(56.7%, 66.8%, 0%, 26.7%)
CIE-LAB	lab(35.56, 42.34, -63.27)
CIE-LCH	lch(35.56, 76.13, 303.79°)
OKLab	oklab(46.26% 0.0428 -0.182)
OKLCH	oklch(46.26% 0.187 283.2)
XYZ	xyz(14.0828, 8.7816, 47.9570)
Luminance	0.0878 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 1.47

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#513EBB #A8BB3E

analogous

#3E6ABB #513EBB #903EBB

triadic

#513EBB #BB513E #3EBB51

tetradic

#513EBB #BB3E6A #A8BB3E #3EBB90

square

#513EBB #BB3E6A #A8BB3E #3EBB90

split-complementary

#513EBB #BB903E #6ABB3E

monochromatic

#29205F #3D2F8D #513EBB #7869CD #A197DC

Accessibility & contrast

On white

7.62

#513EBB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.76

#513EBB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #513EBB

7.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##513EBB	#FFFFFF	#000000	##FFFFFF
##513EBB	1.00	7.62	2.76	7.62
#FFFFFF	7.62	1.00	21.00	1.00
#000000	2.76	21.00	1.00	21.00
##FFFFFF	7.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058BF

Deuteranopia (green-blind)

#004FB9

Tritanopia (blue-blind)

#1B5E77

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #513ebb;
/* rgb */ color: rgb(81, 62, 187);
/* oklch */ color: oklch(46.3% 0.187 283.2);

Tailwind

colors: {
  custom: {
    50: '#8c75d0',
    500: '#513ebb',
    950: '#000000',
  },
}

SCSS

$custom: #513ebb;
$custom-light: #8c75d0;
$custom-dark: #000000;

JSON

{
  "hex": "#513ebb",
  "rgb": {
    "r": 81,
    "g": 62,
    "b": 187
  },
  "hsl": {
    "h": 249.12,
    "s": 50.201,
    "l": 48.824
  },
  "oklch": {
    "l": 0.46255,
    "c": 0.18694,
    "h": 283.2
  },
  "luminance": 0.08782
}

Semantic roles & 50–950 ramp

primary

#513EBB

secondary

#BFC88D

accent

#DA4EC4

background

#F9F7FC

surface

#F1EDF9

border

#CBC8D2

text

#0D0814

muted

#7E7B82

Preview Lab

Preview with #513EBB

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

Preview Lab → · Contrast checker → · Palette generator →