#5751BF#5751BF

#5751BF is a mid, vivid blue. Relative luminance 0.117; OKLCH L 50.2% C 0.167 H 281.0°. Best body text is #FFFFFF at 6.30:1 contrast (WCAG AA passes).

Color values

HEX	#5751BF
RGB	rgb(87, 81, 191)
HSL	hsl(243, 46%, 53%)
HSV	hsv(243, 58%, 75%)
CMYK	cmyk(54.5%, 57.6%, 0%, 25.1%)
CIE-LAB	lab(40.69, 33.29, -57.25)
CIE-LCH	lch(40.69, 66.23, 300.18°)
OKLab	oklab(50.22% 0.0318 -0.164)
OKLCH	oklch(50.22% 0.167 281)
XYZ	xyz(16.2740, 11.6717, 50.6754)
Luminance	0.1167 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5751BF #B9BF51

analogous

#5182BF #5751BF #8E51BF

triadic

#5751BF #BF5751 #51BF57

tetradic

#5751BF #BF5182 #B9BF51 #51BF8E

square

#5751BF #BF5182 #B9BF51 #51BF8E

split-complementary

#5751BF #BF8E51 #82BF51

monochromatic

#2C286D #3E399A #5751BF #827ECF #ADAAE0

Accessibility & contrast

On white

6.30

#5751BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#5751BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5751BF

6.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5751BF	#FFFFFF	#000000	##FFFFFF
##5751BF	1.00	6.30	3.33	6.30
#FFFFFF	6.30	1.00	21.00	1.00
#000000	3.33	21.00	1.00	21.00
##FFFFFF	6.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064C3

Deuteranopia (green-blind)

#005CBD

Tritanopia (blue-blind)

#276B80

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #5751bf;
/* rgb */ color: rgb(87, 81, 191);
/* oklch */ color: oklch(50.2% 0.167 281.0);

Tailwind

colors: {
  custom: {
    50: '#8f82d3',
    500: '#5751bf',
    950: '#000000',
  },
}

SCSS

$custom: #5751bf;
$custom-light: #8f82d3;
$custom-dark: #000000;

JSON

{
  "hex": "#5751bf",
  "rgb": {
    "r": 87,
    "g": 81,
    "b": 191
  },
  "hsl": {
    "h": 243.273,
    "s": 46.218,
    "l": 53.333
  },
  "oklch": {
    "l": 0.50225,
    "c": 0.1671,
    "h": 281
  },
  "luminance": 0.11673
}

Semantic roles & 50–950 ramp

primary

#5751BF

secondary

#CBCE9E

accent

#D652CF

background

#F9F7FD

surface

#F2EEFA

border

#CCC9D3

text

#0D0A14

muted

#7E7C83

Preview Lab

Preview with #5751BF

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

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