#5159C6#5159C6

#5159C6 is a mid, vivid blue. Relative luminance 0.130; OKLCH L 51.8% C 0.167 H 275.7°. Best body text is #FFFFFF at 5.84:1 contrast (WCAG AA passes).

Color values

HEX	#5159C6
RGB	rgb(81, 89, 198)
HSL	hsl(236, 51%, 55%)
HSV	hsv(236, 59%, 78%)
CMYK	cmyk(59.1%, 55.1%, 0%, 22.4%)
CIE-LAB	lab(42.72, 29.47, -58.06)
CIE-LCH	lch(42.72, 65.11, 296.92°)
OKLab	oklab(51.78% 0.0167 -0.1665)
OKLCH	oklch(51.78% 0.167 275.7)
XYZ	xyz(17.1555, 12.9700, 55.0146)
Luminance	0.1297 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5159C6 #C6BE51

analogous

#5194C6 #5159C6 #8351C6

triadic

#5159C6 #C65159 #59C651

tetradic

#5159C6 #C65194 #C6BE51 #51C683

square

#5159C6 #C65194 #C6BE51 #51C683

split-complementary

#5159C6 #C68351 #94C651

monochromatic

#272C76 #363DA4 #5159C6 #7F85D5 #ADB1E4

Accessibility & contrast

On white

5.84

#5159C6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.59

#5159C6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5159C6

5.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5159C6	#FFFFFF	#000000	##FFFFFF
##5159C6	1.00	5.84	3.59	5.84
#FFFFFF	5.84	1.00	21.00	1.00
#000000	3.59	21.00	1.00	21.00
##FFFFFF	5.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#076ACA

Deuteranopia (green-blind)

#0060C4

Tritanopia (blue-blind)

#007387

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #5159c6;
/* rgb */ color: rgb(81, 89, 198);
/* oklch */ color: oklch(51.8% 0.167 275.7);

Tailwind

colors: {
  custom: {
    50: '#8c87d8',
    500: '#5159c6',
    950: '#000000',
  },
}

SCSS

$custom: #5159c6;
$custom-light: #8c87d8;
$custom-dark: #000000;

JSON

{
  "hex": "#5159c6",
  "rgb": {
    "r": 81,
    "g": 89,
    "b": 198
  },
  "hsl": {
    "h": 235.897,
    "s": 50.649,
    "l": 54.706
  },
  "oklch": {
    "l": 0.51779,
    "c": 0.16734,
    "h": 275.7
  },
  "luminance": 0.12971
}

Semantic roles & 50–950 ramp

primary

#5159C6

secondary

#D2CFA1

accent

#D14EDA

background

#F9F8FD

surface

#F1EFFA

border

#CBCAD3

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #5159C6

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

Preview Lab → · Contrast checker → · Palette generator →