#5159CA#5159CA

#5159CA is a mid, vivid blue. Relative luminance 0.132; OKLCH L 52.1% C 0.173 H 275.6°. Best body text is #FFFFFF at 5.78:1 contrast (WCAG AA passes).

Color values

HEX	#5159CA
RGB	rgb(81, 89, 202)
HSL	hsl(236, 53%, 55%)
HSV	hsv(236, 60%, 79%)
CMYK	cmyk(59.9%, 55.9%, 0%, 20.8%)
CIE-LAB	lab(43.00, 30.81, -59.91)
CIE-LCH	lch(43.00, 67.37, 297.21°)
OKLab	oklab(52.08% 0.0168 -0.172)
OKLCH	oklch(52.08% 0.173 275.6)
XYZ	xyz(17.6229, 13.1570, 57.4765)
Luminance	0.1316 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5159CA #CAC251

analogous

#5195CA #5159CA #8551CA

triadic

#5159CA #CA5159 #59CA51

tetradic

#5159CA #CA5195 #CAC251 #51CA85

square

#5159CA #CA5195 #CAC251 #51CA85

split-complementary

#5159CA #CA8551 #95CA51

monochromatic

#252B7B #343CAA #5159CA #8086D8 #AFB3E7

Accessibility & contrast

On white

5.78

#5159CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.63

#5159CA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5159CA

5.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5159CA	#FFFFFF	#000000	##FFFFFF
##5159CA	1.00	5.78	3.63	5.78
#FFFFFF	5.78	1.00	21.00	1.00
#000000	3.63	21.00	1.00	21.00
##FFFFFF	5.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BCE

Deuteranopia (green-blind)

#0060C8

Tritanopia (blue-blind)

#007489

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #5159ca;
/* rgb */ color: rgb(81, 89, 202);
/* oklch */ color: oklch(52.1% 0.173 275.6);

Tailwind

colors: {
  custom: {
    50: '#8d87db',
    500: '#5159ca',
    950: '#000000',
  },
}

SCSS

$custom: #5159ca;
$custom-light: #8d87db;
$custom-dark: #000000;

JSON

{
  "hex": "#5159ca",
  "rgb": {
    "r": 81,
    "g": 89,
    "b": 202
  },
  "hsl": {
    "h": 236.033,
    "s": 53.304,
    "l": 55.49
  },
  "oklch": {
    "l": 0.52078,
    "c": 0.17279,
    "h": 275.6
  },
  "luminance": 0.13158
}

Semantic roles & 50–950 ramp

primary

#5159CA

secondary

#D5D1A2

accent

#D34BDD

background

#F9F8FD

surface

#F1EFFB

border

#CBCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #5159CA

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

Preview Lab → · Contrast checker → · Palette generator →