#5758BF#5758BF

#5758BF is a mid, vivid blue. Relative luminance 0.128; OKLCH L 51.5% C 0.158 H 278.9°. Best body text is #FFFFFF at 5.91:1 contrast (WCAG AA passes).

Color values

HEX	#5758BF
RGB	rgb(87, 88, 191)
HSL	hsl(239, 45%, 55%)
HSV	hsv(239, 54%, 75%)
CMYK	cmyk(54.5%, 53.9%, 0%, 25.1%)
CIE-LAB	lab(42.41, 28.96, -54.47)
CIE-LCH	lch(42.41, 61.69, 298.00°)
OKLab	oklab(51.5% 0.0244 -0.1558)
OKLCH	oklch(51.5% 0.158 278.9)
XYZ	xyz(16.8212, 12.7662, 50.8579)
Luminance	0.1277 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5758BF #BFBE57

analogous

#578CBF #5758BF #8A57BF

triadic

#5758BF #BF5758 #58BF57

tetradic

#5758BF #BF578C #BFBE57 #57BF8A

square

#5758BF #BF578C #BFBE57 #57BF8A

split-complementary

#5758BF #BF8A57 #8CBF57

monochromatic

#2B2C71 #3C3D9D #5758BF #8384D0 #B0B0E1

Accessibility & contrast

On white

5.91

#5758BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.55

#5758BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5758BF

5.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5758BF	#FFFFFF	#000000	##FFFFFF
##5758BF	1.00	5.91	3.55	5.91
#FFFFFF	5.91	1.00	21.00	1.00
#000000	3.55	21.00	1.00	21.00
##FFFFFF	5.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A68C3

Deuteranopia (green-blind)

#0160BD

Tritanopia (blue-blind)

#266F83

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #5758bf;
/* rgb */ color: rgb(87, 88, 191);
/* oklch */ color: oklch(51.5% 0.158 278.9);

Tailwind

colors: {
  custom: {
    50: '#8f87d3',
    500: '#5758bf',
    950: '#000000',
  },
}

SCSS

$custom: #5758bf;
$custom-light: #8f87d3;
$custom-dark: #000000;

JSON

{
  "hex": "#5758bf",
  "rgb": {
    "r": 87,
    "g": 88,
    "b": 191
  },
  "hsl": {
    "h": 239.423,
    "s": 44.828,
    "l": 54.51
  },
  "oklch": {
    "l": 0.51504,
    "c": 0.15771,
    "h": 278.9
  },
  "luminance": 0.12767
}

Semantic roles & 50–950 ramp

primary

#5758BF

secondary

#CFCEA3

accent

#D353D5

background

#F9F8FD

surface

#F1EFFA

border

#CBCAD3

text

#0D0B14

muted

#7E7C83

Preview Lab

Preview with #5758BF

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

Preview Lab → · Contrast checker → · Palette generator →