#5159BA#5159BA

#5159BA is a mid, vivid blue. Relative luminance 0.124; OKLCH L 50.9% C 0.151 H 276.1°. Best body text is #FFFFFF at 6.02:1 contrast (WCAG AA passes).

Color values

HEX	#5159BA
RGB	rgb(81, 89, 186)
HSL	hsl(235, 43%, 52%)
HSV	hsv(235, 56%, 73%)
CMYK	cmyk(56.5%, 52.2%, 0%, 27.1%)
CIE-LAB	lab(41.90, 25.48, -52.39)
CIE-LCH	lch(41.90, 58.26, 295.94°)
OKLab	oklab(50.91% 0.016 -0.1498)
OKLCH	oklch(50.91% 0.151 276.1)
XYZ	xyz(15.8258, 12.4382, 48.0117)
Luminance	0.1244 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5159BA #BAB251

analogous

#518DBA #5159BA #7E51BA

triadic

#5159BA #BA5159 #59BA51

tetradic

#5159BA #BA518D #BAB251 #51BA7E

square

#5159BA #BA518D #BAB251 #51BA7E

split-complementary

#5159BA #BA7E51 #8DBA51

monochromatic

#292E68 #3A4193 #5159BA #7D83CB #A9ADDD

Accessibility & contrast

On white

6.02

#5159BA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.49

#5159BA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5159BA

6.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5159BA	#FFFFFF	#000000	##FFFFFF
##5159BA	1.00	6.02	3.49	6.02
#FFFFFF	6.02	1.00	21.00	1.00
#000000	3.49	21.00	1.00	21.00
##FFFFFF	6.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2367BD

Deuteranopia (green-blind)

#0E5FB8

Tritanopia (blue-blind)

#166F81

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #5159ba;
/* rgb */ color: rgb(81, 89, 186);
/* oklch */ color: oklch(50.9% 0.151 276.1);

Tailwind

colors: {
  custom: {
    50: '#8a87cf',
    500: '#5159ba',
    950: '#000000',
  },
}

SCSS

$custom: #5159ba;
$custom-light: #8a87cf;
$custom-dark: #000000;

JSON

{
  "hex": "#5159ba",
  "rgb": {
    "r": 81,
    "g": 89,
    "b": 186
  },
  "hsl": {
    "h": 235.429,
    "s": 43.21,
    "l": 52.353
  },
  "oklch": {
    "l": 0.5091,
    "c": 0.15069,
    "h": 276.1
  },
  "luminance": 0.12439
}

Semantic roles & 50–950 ramp

primary

#5159BA

secondary

#CAC79D

accent

#C955D3

background

#F8F8FC

surface

#F0EFF9

border

#CBCAD2

text

#0D0B14

muted

#7D7C82

Preview Lab

Preview with #5159BA

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

Preview Lab → · Contrast checker → · Palette generator →