#5758B5#5758B5

#5758B5 is a mid, vivid blue. Relative luminance 0.123; OKLCH L 50.8% C 0.144 H 279.5°. Best body text is #FFFFFF at 6.05:1 contrast (WCAG AA passes).

Color values

HEX	#5758B5
RGB	rgb(87, 88, 181)
HSL	hsl(239, 39%, 53%)
HSV	hsv(239, 52%, 71%)
CMYK	cmyk(51.9%, 51.4%, 0%, 29%)
CIE-LAB	lab(41.75, 25.74, -49.69)
CIE-LCH	lch(41.75, 55.96, 297.39°)
OKLab	oklab(50.8% 0.0238 -0.1417)
OKLCH	oklch(50.8% 0.144 279.5)
XYZ	xyz(15.7581, 12.3410, 45.2588)
Luminance	0.1234 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5758B5 #B5B457

analogous

#5787B5 #5758B5 #8557B5

triadic

#5758B5 #B55758 #58B557

tetradic

#5758B5 #B55787 #B5B457 #57B585

square

#5758B5 #B55787 #B5B457 #57B585

split-complementary

#5758B5 #B58557 #87B557

monochromatic

#2D2D65 #3F4090 #5758B5 #8182C8 #ACACDA

Accessibility & contrast

On white

6.05

#5758B5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.47

#5758B5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5758B5

6.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5758B5	#FFFFFF	#000000	##FFFFFF
##5758B5	1.00	6.05	3.47	6.05
#FFFFFF	6.05	1.00	21.00	1.00
#000000	3.47	21.00	1.00	21.00
##FFFFFF	6.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2966B8

Deuteranopia (green-blind)

#1F5FB3

Tritanopia (blue-blind)

#306D7E

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #5758b5;
/* rgb */ color: rgb(87, 88, 181);
/* oklch */ color: oklch(50.8% 0.144 279.5);

Tailwind

colors: {
  custom: {
    50: '#8d87cc',
    500: '#5758b5',
    950: '#000000',
  },
}

SCSS

$custom: #5758b5;
$custom-light: #8d87cc;
$custom-dark: #000000;

JSON

{
  "hex": "#5758b5",
  "rgb": {
    "r": 87,
    "g": 88,
    "b": 181
  },
  "hsl": {
    "h": 239.362,
    "s": 38.843,
    "l": 52.549
  },
  "oklch": {
    "l": 0.50803,
    "c": 0.14371,
    "h": 279.5
  },
  "luminance": 0.12342
}

Semantic roles & 50–950 ramp

primary

#5758B5

secondary

#C8C89F

accent

#CE59CF

background

#F9F8FC

surface

#F1EFF9

border

#CBCAD2

text

#0D0B13

muted

#7E7C82

Preview Lab

Preview with #5758B5

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

Preview Lab → · Contrast checker → · Palette generator →