#5158BF#5158BF

#5158BF is a mid, vivid blue. Relative luminance 0.125; OKLCH L 51.1% C 0.159 H 276.3°. Best body text is #FFFFFF at 6.00:1 contrast (WCAG AA passes).

Color values

HEX	#5158BF
RGB	rgb(81, 88, 191)
HSL	hsl(236, 46%, 53%)
HSV	hsv(236, 58%, 75%)
CMYK	cmyk(57.6%, 53.9%, 0%, 25.1%)
CIE-LAB	lab(41.98, 27.77, -55.18)
CIE-LCH	lch(41.98, 61.78, 296.72°)
OKLab	oklab(51.08% 0.0174 -0.158)
OKLCH	oklch(51.08% 0.159 276.3)
XYZ	xyz(16.2840, 12.4892, 50.8327)
Luminance	0.1249 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5158BF #BFB851

analogous

#518FBF #5158BF #8151BF

triadic

#5158BF #BF5158 #58BF51

tetradic

#5158BF #BF518F #BFB851 #51BF81

square

#5158BF #BF518F #BFB851 #51BF81

split-complementary

#5158BF #BF8151 #8FBF51

monochromatic

#282D6D #393F9A #5158BF #7E83CF #AAAEE0

Accessibility & contrast

On white

6.00

#5158BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.50

#5158BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5158BF

6.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5158BF	#FFFFFF	#000000	##FFFFFF
##5158BF	1.00	6.00	3.50	6.00
#FFFFFF	6.00	1.00	21.00	1.00
#000000	3.50	21.00	1.00	21.00
##FFFFFF	6.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1768C3

Deuteranopia (green-blind)

#005FBD

Tritanopia (blue-blind)

#097083

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #5158bf;
/* rgb */ color: rgb(81, 88, 191);
/* oklch */ color: oklch(51.1% 0.159 276.3);

Tailwind

colors: {
  custom: {
    50: '#8b87d3',
    500: '#5158bf',
    950: '#000000',
  },
}

SCSS

$custom: #5158bf;
$custom-light: #8b87d3;
$custom-dark: #000000;

JSON

{
  "hex": "#5158bf",
  "rgb": {
    "r": 81,
    "g": 88,
    "b": 191
  },
  "hsl": {
    "h": 236.182,
    "s": 46.218,
    "l": 53.333
  },
  "oklch": {
    "l": 0.51077,
    "c": 0.159,
    "h": 276.3
  },
  "luminance": 0.1249
}

Semantic roles & 50–950 ramp

primary

#5158BF

secondary

#CECB9E

accent

#CD52D6

background

#F9F8FD

surface

#F1EFFA

border

#CBCAD3

text

#0D0B14

muted

#7E7C83

Preview Lab

Preview with #5158BF

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

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