#5758CE#5758CE

#5758CE is a mid, vivid blue. Relative luminance 0.135; OKLCH L 52.6% C 0.178 H 278.0°. Best body text is #FFFFFF at 5.69:1 contrast (WCAG AA passes).

Color values

HEX	#5758CE
RGB	rgb(87, 88, 206)
HSL	hsl(239, 55%, 57%)
HSV	hsv(239, 58%, 81%)
CMYK	cmyk(57.8%, 57.3%, 0%, 19.2%)
CIE-LAB	lab(43.45, 33.82, -61.47)
CIE-LCH	lch(43.45, 70.16, 298.82°)
OKLab	oklab(52.61% 0.0247 -0.1764)
OKLCH	oklch(52.61% 0.178 278)
XYZ	xyz(18.5572, 13.4606, 60.0008)
Luminance	0.1346 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5758CE #CECD57

analogous

#5793CE #5758CE #9257CE

triadic

#5758CE #CE5758 #58CE57

tetradic

#5758CE #CE5793 #CECD57 #57CE92

square

#5758CE #CE5793 #CECD57 #57CE92

split-complementary

#5758CE #CE9257 #93CE57

monochromatic

#272784 #3435B3 #5758CE #8687DC #B6B6EA

Accessibility & contrast

On white

5.69

#5758CE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.69

#5758CE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5758CE

5.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5758CE	#FFFFFF	#000000	##FFFFFF
##5758CE	1.00	5.69	3.69	5.69
#FFFFFF	5.69	1.00	21.00	1.00
#000000	3.69	21.00	1.00	21.00
##FFFFFF	5.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CD2

Deuteranopia (green-blind)

#0062CC

Tritanopia (blue-blind)

#06748A

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #5758ce;
/* rgb */ color: rgb(87, 88, 206);
/* oklch */ color: oklch(52.6% 0.178 278.0);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#5758ce",
  "rgb": {
    "r": 87,
    "g": 88,
    "b": 206
  },
  "hsl": {
    "h": 239.496,
    "s": 54.839,
    "l": 57.451
  },
  "oklch": {
    "l": 0.52609,
    "c": 0.17813,
    "h": 278
  },
  "luminance": 0.13462
}

Semantic roles & 50–950 ramp

primary

#5758CE

secondary

#D8D8A8

accent

#DD4ADE

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0E0B15

muted

#7E7C83

Preview Lab

Preview with #5758CE

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

Preview Lab → · Contrast checker → · Palette generator →