#5B5CCF#5B5CCF

#5B5CCF is a mid, vivid blue. Relative luminance 0.144; OKLCH L 53.7% C 0.173 H 278.4°. Best body text is #FFFFFF at 5.42:1 contrast (WCAG AA passes).

Color values

HEX	#5B5CCF
RGB	rgb(91, 92, 207)
HSL	hsl(239, 55%, 58%)
HSV	hsv(239, 56%, 81%)
CMYK	cmyk(56%, 55.6%, 0%, 18.8%)
CIE-LAB	lab(44.78, 32.43, -59.88)
CIE-LCH	lch(44.78, 68.10, 298.44°)
OKLab	oklab(53.69% 0.0255 -0.1716)
OKLCH	oklch(53.69% 0.173 278.4)
XYZ	xyz(19.4004, 14.3821, 60.7731)
Luminance	0.1438 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B5CCF #CFCE5B

analogous

#5B96CF #5B5CCF #945BCF

triadic

#5B5CCF #CF5B5C #5CCF5B

tetradic

#5B5CCF #CF5B96 #CFCE5B #5BCF94

square

#5B5CCF #CF5B96 #CFCE5B #5BCF94

split-complementary

#5B5CCF #CF945B #96CF5B

monochromatic

#282988 #3637B7 #5B5CCF #8A8BDD #BABAEB

Accessibility & contrast

On white

5.42

#5B5CCF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.88

#5B5CCF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5B5CCF

5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B5CCF	#FFFFFF	#000000	##FFFFFF
##5B5CCF	1.00	5.42	3.88	5.42
#FFFFFF	5.42	1.00	21.00	1.00
#000000	3.88	21.00	1.00	21.00
##FFFFFF	5.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#026FD3

Deuteranopia (green-blind)

#0065CD

Tritanopia (blue-blind)

#1C778C

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #5b5ccf;
/* rgb */ color: rgb(91, 92, 207);
/* oklch */ color: oklch(53.7% 0.173 278.4);

Tailwind

colors: {
  custom: {
    50: '#938ade',
    500: '#5b5ccf',
    950: '#000000',
  },
}

SCSS

$custom: #5b5ccf;
$custom-light: #938ade;
$custom-dark: #000000;

JSON

{
  "hex": "#5b5ccf",
  "rgb": {
    "r": 91,
    "g": 92,
    "b": 207
  },
  "hsl": {
    "h": 239.483,
    "s": 54.717,
    "l": 58.431
  },
  "oklch": {
    "l": 0.5369,
    "c": 0.17347,
    "h": 278.4
  },
  "luminance": 0.14383
}

Semantic roles & 50–950 ramp

primary

#5B5CCF

secondary

#DADAAC

accent

#DD4ADE

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0E0B15

muted

#7E7C83

Preview Lab

Preview with #5B5CCF

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

Preview Lab → · Contrast checker → · Palette generator →