#5158BD#5158BD

#5158BD is a mid, vivid blue. Relative luminance 0.124; OKLCH L 50.9% C 0.156 H 276.3°. Best body text is #FFFFFF at 6.03:1 contrast (WCAG AA passes).

Color values

HEX	#5158BD
RGB	rgb(81, 88, 189)
HSL	hsl(236, 45%, 53%)
HSV	hsv(236, 57%, 74%)
CMYK	cmyk(57.1%, 53.4%, 0%, 25.9%)
CIE-LAB	lab(41.85, 27.11, -54.23)
CIE-LCH	lch(41.85, 60.63, 296.56°)
OKLab	oklab(50.93% 0.0173 -0.1553)
OKLCH	oklch(50.93% 0.156 276.3)
XYZ	xyz(16.0654, 12.4018, 49.6814)
Luminance	0.1240 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5158BD #BDB651

analogous

#518EBD #5158BD #8051BD

triadic

#5158BD #BD5158 #58BD51

tetradic

#5158BD #BD518E #BDB651 #51BD80

square

#5158BD #BD518E #BDB651 #51BD80

split-complementary

#5158BD #BD8051 #8EBD51

monochromatic

#292D6B #394097 #5158BD #7D83CE #AAADDF

Accessibility & contrast

On white

6.03

#5158BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#5158BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5158BD

6.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5158BD	#FFFFFF	#000000	##FFFFFF
##5158BD	1.00	6.03	3.48	6.03
#FFFFFF	6.03	1.00	21.00	1.00
#000000	3.48	21.00	1.00	21.00
##FFFFFF	6.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B67C1

Deuteranopia (green-blind)

#005EBB

Tritanopia (blue-blind)

#0F6F82

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #5158bd;
/* rgb */ color: rgb(81, 88, 189);
/* oklch */ color: oklch(50.9% 0.156 276.3);

Tailwind

colors: {
  custom: {
    50: '#8b87d1',
    500: '#5158bd',
    950: '#000000',
  },
}

SCSS

$custom: #5158bd;
$custom-light: #8b87d1;
$custom-dark: #000000;

JSON

{
  "hex": "#5158bd",
  "rgb": {
    "r": 81,
    "g": 88,
    "b": 189
  },
  "hsl": {
    "h": 236.111,
    "s": 45,
    "l": 52.941
  },
  "oklch": {
    "l": 0.50932,
    "c": 0.15623,
    "h": 276.3
  },
  "luminance": 0.12403
}

Semantic roles & 50–950 ramp

primary

#5158BD

secondary

#CCC99E

accent

#CC53D5

background

#F9F8FC

surface

#F1EFF9

border

#CBCAD2

text

#0D0B14

muted

#7E7C82

Preview Lab

Preview with #5158BD

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

Preview Lab → · Contrast checker → · Palette generator →