#5157BF#5157BF

#5157BF is a mid, vivid blue. Relative luminance 0.123; OKLCH L 50.9% C 0.160 H 276.6°. Best body text is #FFFFFF at 6.06:1 contrast (WCAG AA passes).

Color values

HEX	#5157BF
RGB	rgb(81, 87, 191)
HSL	hsl(237, 46%, 53%)
HSV	hsv(237, 58%, 75%)
CMYK	cmyk(57.6%, 54.5%, 0%, 25.1%)
CIE-LAB	lab(41.73, 28.40, -55.59)
CIE-LCH	lch(41.73, 62.42, 297.06°)
OKLab	oklab(50.89% 0.0184 -0.1593)
OKLCH	oklch(50.89% 0.16 276.6)
XYZ	xyz(16.2025, 12.3262, 50.8055)
Luminance	0.1233 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5157BF #BFB951

analogous

#518EBF #5157BF #8251BF

triadic

#5157BF #BF5157 #57BF51

tetradic

#5157BF #BF518E #BFB951 #51BF82

square

#5157BF #BF518E #BFB951 #51BF82

split-complementary

#5157BF #BF8251 #8EBF51

monochromatic

#282C6D #393E9A #5157BF #7E82CF #AAADE0

Accessibility & contrast

On white

6.06

#5157BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.47

#5157BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5157BF

6.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5157BF	#FFFFFF	#000000	##FFFFFF
##5157BF	1.00	6.06	3.47	6.06
#FFFFFF	6.06	1.00	21.00	1.00
#000000	3.47	21.00	1.00	21.00
##FFFFFF	6.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1267C3

Deuteranopia (green-blind)

#005EBD

Tritanopia (blue-blind)

#096F82

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #5157bf;
/* rgb */ color: rgb(81, 87, 191);
/* oklch */ color: oklch(50.9% 0.160 276.6);

Tailwind

colors: {
  custom: {
    50: '#8b86d3',
    500: '#5157bf',
    950: '#000000',
  },
}

SCSS

$custom: #5157bf;
$custom-light: #8b86d3;
$custom-dark: #000000;

JSON

{
  "hex": "#5157bf",
  "rgb": {
    "r": 81,
    "g": 87,
    "b": 191
  },
  "hsl": {
    "h": 236.727,
    "s": 46.218,
    "l": 53.333
  },
  "oklch": {
    "l": 0.50887,
    "c": 0.16033,
    "h": 276.6
  },
  "luminance": 0.12327
}

Semantic roles & 50–950 ramp

primary

#5157BF

secondary

#CECB9E

accent

#CF52D6

background

#F9F8FD

surface

#F1EFFA

border

#CBCAD3

text

#0D0B14

muted

#7E7C83

Preview Lab

Preview with #5157BF

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

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