#5758BB#5758BB

#5758BB is a mid, vivid blue. Relative luminance 0.126; OKLCH L 51.2% C 0.152 H 279.1°. Best body text is #FFFFFF at 5.97:1 contrast (WCAG AA passes).

Color values

HEX	#5758BB
RGB	rgb(87, 88, 187)
HSL	hsl(239, 42%, 54%)
HSV	hsv(239, 53%, 73%)
CMYK	cmyk(53.5%, 52.9%, 0%, 26.7%)
CIE-LAB	lab(42.14, 27.67, -52.57)
CIE-LCH	lch(42.14, 59.41, 297.76°)
OKLab	oklab(51.22% 0.0242 -0.1502)
OKLCH	oklch(51.22% 0.152 279.1)
XYZ	xyz(16.3870, 12.5925, 48.5712)
Luminance	0.1259 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5758BB #BBBA57

analogous

#578ABB #5758BB #8857BB

triadic

#5758BB #BB5758 #58BB57

tetradic

#5758BB #BB578A #BBBA57 #57BB88

square

#5758BB #BB578A #BBBA57 #57BB88

split-complementary

#5758BB #BB8857 #8ABB57

monochromatic

#2C2C6C #3D3E97 #5758BB #8383CD #AEAFDE

Accessibility & contrast

On white

5.97

#5758BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#5758BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5758BB

5.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5758BB	#FFFFFF	#000000	##FFFFFF
##5758BB	1.00	5.97	3.52	5.97
#FFFFFF	5.97	1.00	21.00	1.00
#000000	3.52	21.00	1.00	21.00
##FFFFFF	5.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2167BE

Deuteranopia (green-blind)

#1160B9

Tritanopia (blue-blind)

#2A6E81

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #5758bb;
/* rgb */ color: rgb(87, 88, 187);
/* oklch */ color: oklch(51.2% 0.152 279.1);

Tailwind

colors: {
  custom: {
    50: '#8e87d0',
    500: '#5758bb',
    950: '#000000',
  },
}

SCSS

$custom: #5758bb;
$custom-light: #8e87d0;
$custom-dark: #000000;

JSON

{
  "hex": "#5758bb",
  "rgb": {
    "r": 87,
    "g": 88,
    "b": 187
  },
  "hsl": {
    "h": 239.4,
    "s": 42.373,
    "l": 53.725
  },
  "oklch": {
    "l": 0.5122,
    "c": 0.15214,
    "h": 279.1
  },
  "luminance": 0.12594
}

Semantic roles & 50–950 ramp

primary

#5758BB

secondary

#CCCCA2

accent

#D156D2

background

#F9F8FC

surface

#F1EFF9

border

#CBCAD2

text

#0D0B14

muted

#7E7C82

Preview Lab

Preview with #5758BB

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

Preview Lab → · Contrast checker → · Palette generator →