#5758CF#5758CF

#5758CF is a mid, vivid blue. Relative luminance 0.135; OKLCH L 52.7% C 0.179 H 277.9°. Best body text is #FFFFFF at 5.67:1 contrast (WCAG AA passes).

Color values

HEX	#5758CF
RGB	rgb(87, 88, 207)
HSL	hsl(240, 56%, 58%)
HSV	hsv(240, 58%, 81%)
CMYK	cmyk(58%, 57.5%, 0%, 18.8%)
CIE-LAB	lab(43.52, 34.14, -61.93)
CIE-LCH	lch(43.52, 70.72, 298.87°)
OKLab	oklab(52.69% 0.0247 -0.1777)
OKLCH	oklch(52.69% 0.179 277.9)
XYZ	xyz(18.6791, 13.5093, 60.6426)
Luminance	0.1351 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5758CF #CFCE57

analogous

#5794CF #5758CF #9257CF

triadic

#5758CF #CF5758 #58CF57

tetradic

#5758CF #CF5794 #CFCE57 #57CF92

square

#5758CF #CF5794 #CFCE57 #57CF92

split-complementary

#5758CF #CF9257 #94CF57

monochromatic

#262785 #3435B5 #5758CF #8787DD #B6B7EA

Accessibility & contrast

On white

5.67

#5758CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.70

#5758CF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5758CF

5.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5758CF	#FFFFFF	#000000	##FFFFFF
##5758CF	1.00	5.67	3.70	5.67
#FFFFFF	5.67	1.00	21.00	1.00
#000000	3.70	21.00	1.00	21.00
##FFFFFF	5.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CD3

Deuteranopia (green-blind)

#0062CD

Tritanopia (blue-blind)

#02748B

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #5758cf;
/* rgb */ color: rgb(87, 88, 207);
/* oklch */ color: oklch(52.7% 0.179 277.9);

Tailwind

colors: {
  custom: {
    50: '#9187de',
    500: '#5758cf',
    950: '#000000',
  },
}

SCSS

$custom: #5758cf;
$custom-light: #9187de;
$custom-dark: #000000;

JSON

{
  "hex": "#5758cf",
  "rgb": {
    "r": 87,
    "g": 88,
    "b": 207
  },
  "hsl": {
    "h": 239.5,
    "s": 55.556,
    "l": 57.647
  },
  "oklch": {
    "l": 0.52685,
    "c": 0.17946,
    "h": 277.9
  },
  "luminance": 0.13511
}

Semantic roles & 50–950 ramp

primary

#5758CF

secondary

#D9D9A9

accent

#DE49DF

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0E0B15

muted

#7E7C83

Preview Lab

Preview with #5758CF

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

Preview Lab → · Contrast checker → · Palette generator →