#5156BF#5156BF

#5156BF is a mid, vivid blue. Relative luminance 0.122; OKLCH L 50.7% C 0.162 H 276.9°. Best body text is #FFFFFF at 6.12:1 contrast (WCAG AA passes).

Color values

HEX	#5156BF
RGB	rgb(81, 86, 191)
HSL	hsl(237, 46%, 53%)
HSV	hsv(237, 58%, 75%)
CMYK	cmyk(57.6%, 55%, 0%, 25.1%)
CIE-LAB	lab(41.48, 29.03, -56.00)
CIE-LCH	lch(41.48, 63.07, 297.40°)
OKLab	oklab(50.7% 0.0194 -0.1605)
OKLCH	oklch(50.7% 0.162 276.9)
XYZ	xyz(16.1221, 12.1653, 50.7787)
Luminance	0.1217 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5156BF #BFBA51

analogous

#518DBF #5156BF #8351BF

triadic

#5156BF #BF5156 #56BF51

tetradic

#5156BF #BF518D #BFBA51 #51BF83

square

#5156BF #BF518D #BFBA51 #51BF83

split-complementary

#5156BF #BF8351 #8DBF51

monochromatic

#282B6D #393D9A #5156BF #7E81CF #AAADE0

Accessibility & contrast

On white

6.12

#5156BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.43

#5156BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5156BF

6.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5156BF	#FFFFFF	#000000	##FFFFFF
##5156BF	1.00	6.12	3.43	6.12
#FFFFFF	6.12	1.00	21.00	1.00
#000000	3.43	21.00	1.00	21.00
##FFFFFF	6.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C67C3

Deuteranopia (green-blind)

#005DBD

Tritanopia (blue-blind)

#0A6E82

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #5156bf;
/* rgb */ color: rgb(81, 86, 191);
/* oklch */ color: oklch(50.7% 0.162 276.9);

Tailwind

colors: {
  custom: {
    50: '#8b85d3',
    500: '#5156bf',
    950: '#000000',
  },
}

SCSS

$custom: #5156bf;
$custom-light: #8b85d3;
$custom-dark: #000000;

JSON

{
  "hex": "#5156bf",
  "rgb": {
    "r": 81,
    "g": 86,
    "b": 191
  },
  "hsl": {
    "h": 237.273,
    "s": 46.218,
    "l": 53.333
  },
  "oklch": {
    "l": 0.50699,
    "c": 0.16164,
    "h": 276.9
  },
  "luminance": 0.12166
}

Semantic roles & 50–950 ramp

primary

#5156BF

secondary

#CECB9E

accent

#D052D6

background

#F9F8FD

surface

#F1EFFA

border

#CBCAD3

text

#0D0B14

muted

#7E7C83

Preview Lab

Preview with #5156BF

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

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