#5159BE#5159BE

#5159BE is a mid, vivid blue. Relative luminance 0.126; OKLCH L 51.2% C 0.156 H 276.0°. Best body text is #FFFFFF at 5.96:1 contrast (WCAG AA passes).

Color values

HEX	#5159BE
RGB	rgb(81, 89, 190)
HSL	hsl(236, 46%, 53%)
HSV	hsv(236, 57%, 75%)
CMYK	cmyk(57.4%, 53.2%, 0%, 25.5%)
CIE-LAB	lab(42.17, 26.81, -54.30)
CIE-LCH	lch(42.17, 60.56, 296.28°)
OKLab	oklab(51.2% 0.0163 -0.1554)
OKLCH	oklch(51.2% 0.156 276)
XYZ	xyz(16.2570, 12.6106, 50.2826)
Luminance	0.1261 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5159BE #BEB651

analogous

#5190BE #5159BE #7F51BE

triadic

#5159BE #BE5159 #59BE51

tetradic

#5159BE #BE5190 #BEB651 #51BE7F

square

#5159BE #BE5190 #BEB651 #51BE7F

split-complementary

#5159BE #BE7F51 #90BE51

monochromatic

#282D6C #394099 #5159BE #7E84CF #AAAEDF

Accessibility & contrast

On white

5.96

#5159BE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#5159BE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5159BE

5.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5159BE	#FFFFFF	#000000	##FFFFFF
##5159BE	1.00	5.96	3.52	5.96
#FFFFFF	5.96	1.00	21.00	1.00
#000000	3.52	21.00	1.00	21.00
##FFFFFF	5.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D68C2

Deuteranopia (green-blind)

#005FBC

Tritanopia (blue-blind)

#0C7083

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #5159be;
/* rgb */ color: rgb(81, 89, 190);
/* oklch */ color: oklch(51.2% 0.156 276.0);

Tailwind

colors: {
  custom: {
    50: '#8b87d2',
    500: '#5159be',
    950: '#000000',
  },
}

SCSS

$custom: #5159be;
$custom-light: #8b87d2;
$custom-dark: #000000;

JSON

{
  "hex": "#5159be",
  "rgb": {
    "r": 81,
    "g": 89,
    "b": 190
  },
  "hsl": {
    "h": 235.596,
    "s": 45.607,
    "l": 53.137
  },
  "oklch": {
    "l": 0.51195,
    "c": 0.15629,
    "h": 276
  },
  "luminance": 0.12612
}

Semantic roles & 50–950 ramp

primary

#5159BE

secondary

#CDC99E

accent

#CC53D5

background

#F9F8FD

surface

#F1EFFA

border

#CBCAD3

text

#0D0B14

muted

#7E7C83

Preview Lab

Preview with #5159BE

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

Preview Lab → · Contrast checker → · Palette generator →