#5758BC#5758BC

#5758BC is a mid, vivid blue. Relative luminance 0.126; OKLCH L 51.3% C 0.154 H 279.1°. Best body text is #FFFFFF at 5.95:1 contrast (WCAG AA passes).

Color values

HEX	#5758BC
RGB	rgb(87, 88, 188)
HSL	hsl(239, 43%, 54%)
HSV	hsv(239, 54%, 74%)
CMYK	cmyk(53.7%, 53.2%, 0%, 26.3%)
CIE-LAB	lab(42.21, 27.99, -53.05)
CIE-LCH	lch(42.21, 59.98, 297.82°)
OKLab	oklab(51.29% 0.0242 -0.1516)
OKLCH	oklch(51.29% 0.154 279.1)
XYZ	xyz(16.4945, 12.6355, 49.1369)
Luminance	0.1264 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5758BC #BCBB57

analogous

#578BBC #5758BC #8957BC

triadic

#5758BC #BC5758 #58BC57

tetradic

#5758BC #BC578B #BCBB57 #57BC89

square

#5758BC #BC578B #BCBB57 #57BC89

split-complementary

#5758BC #BC8957 #8BBC57

monochromatic

#2C2C6D #3D3E99 #5758BC #8383CD #AFAFDF

Accessibility & contrast

On white

5.95

#5758BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.53

#5758BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5758BC

5.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5758BC	#FFFFFF	#000000	##FFFFFF
##5758BC	1.00	5.95	3.53	5.95
#FFFFFF	5.95	1.00	21.00	1.00
#000000	3.53	21.00	1.00	21.00
##FFFFFF	5.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2068BF

Deuteranopia (green-blind)

#0E60BA

Tritanopia (blue-blind)

#296F81

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #5758bc;
/* rgb */ color: rgb(87, 88, 188);
/* oklch */ color: oklch(51.3% 0.154 279.1);

Tailwind

colors: {
  custom: {
    50: '#8e87d1',
    500: '#5758bc',
    950: '#000000',
  },
}

SCSS

$custom: #5758bc;
$custom-light: #8e87d1;
$custom-dark: #000000;

JSON

{
  "hex": "#5758bc",
  "rgb": {
    "r": 87,
    "g": 88,
    "b": 188
  },
  "hsl": {
    "h": 239.406,
    "s": 42.979,
    "l": 53.922
  },
  "oklch": {
    "l": 0.51291,
    "c": 0.15354,
    "h": 279.1
  },
  "luminance": 0.12637
}

Semantic roles & 50–950 ramp

primary

#5758BC

secondary

#CDCDA2

accent

#D255D3

background

#F9F8FC

surface

#F1EFF9

border

#CBCAD2

text

#0D0B14

muted

#7E7C82

Preview Lab

Preview with #5758BC

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

Preview Lab → · Contrast checker → · Palette generator →