#5159BD#5159BD

#5159BD is a mid, vivid blue. Relative luminance 0.126; OKLCH L 51.1% C 0.155 H 276.0°. Best body text is #FFFFFF at 5.98:1 contrast (WCAG AA passes).

Color values

HEX	#5159BD
RGB	rgb(81, 89, 189)
HSL	hsl(236, 45%, 53%)
HSV	hsv(236, 57%, 74%)
CMYK	cmyk(57.1%, 52.9%, 0%, 25.9%)
CIE-LAB	lab(42.10, 26.48, -53.82)
CIE-LCH	lch(42.10, 59.98, 296.20°)
OKLab	oklab(51.12% 0.0162 -0.154)
OKLCH	oklch(51.12% 0.155 276)
XYZ	xyz(16.1481, 12.5671, 49.7090)
Luminance	0.1257 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5159BD #BDB551

analogous

#518FBD #5159BD #7F51BD

triadic

#5159BD #BD5159 #59BD51

tetradic

#5159BD #BD518F #BDB551 #51BD7F

square

#5159BD #BD518F #BDB551 #51BD7F

split-complementary

#5159BD #BD7F51 #8FBD51

monochromatic

#292E6B #394097 #5159BD #7D83CE #AAAEDF

Accessibility & contrast

On white

5.98

#5159BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.51

#5159BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5159BD

5.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5159BD	#FFFFFF	#000000	##FFFFFF
##5159BD	1.00	5.98	3.51	5.98
#FFFFFF	5.98	1.00	21.00	1.00
#000000	3.51	21.00	1.00	21.00
##FFFFFF	5.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F68C1

Deuteranopia (green-blind)

#015FBB

Tritanopia (blue-blind)

#0F7082

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #5159bd;
/* rgb */ color: rgb(81, 89, 189);
/* oklch */ color: oklch(51.1% 0.155 276.0);

Tailwind

colors: {
  custom: {
    50: '#8b87d1',
    500: '#5159bd',
    950: '#000000',
  },
}

SCSS

$custom: #5159bd;
$custom-light: #8b87d1;
$custom-dark: #000000;

JSON

{
  "hex": "#5159bd",
  "rgb": {
    "r": 81,
    "g": 89,
    "b": 189
  },
  "hsl": {
    "h": 235.556,
    "s": 45,
    "l": 52.941
  },
  "oklch": {
    "l": 0.51124,
    "c": 0.15489,
    "h": 276
  },
  "luminance": 0.12568
}

Semantic roles & 50–950 ramp

primary

#5159BD

secondary

#CCC99E

accent

#CB53D5

background

#F9F8FC

surface

#F1EFF9

border

#CBCAD2

text

#0D0B14

muted

#7E7C82

Preview Lab

Preview with #5159BD

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

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