#5B6DCE#5B6DCE

#5B6DCE is a mid, vivid blue. Relative luminance 0.176; OKLCH L 56.9% C 0.150 H 272.9°. Best body text is #FFFFFF at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#5B6DCE
RGB	rgb(91, 109, 206)
HSL	hsl(231, 54%, 58%)
HSV	hsv(231, 56%, 81%)
CMYK	cmyk(55.8%, 47.1%, 0%, 19.2%)
CIE-LAB	lab(49.03, 21.60, -52.47)
CIE-LCH	lch(49.03, 56.74, 292.37°)
OKLab	oklab(56.87% 0.0075 -0.1496)
OKLCH	oklch(56.87% 0.15 272.9)
XYZ	xyz(20.9200, 17.6161, 60.6784)
Luminance	0.1762 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B6DCE #CEBC5B

analogous

#5BA6CE #5B6DCE #825BCE

triadic

#5B6DCE #CE5B6D #6DCE5B

tetradic

#5B6DCE #CE5BA6 #CEBC5B #5BCE82

square

#5B6DCE #CE5BA6 #CEBC5B #5BCE82

split-complementary

#5B6DCE #CE825B #A6CE5B

monochromatic

#283786 #364AB6 #5B6DCE #8A97DC #B9C1EA

Accessibility & contrast

On white

4.64

#5B6DCE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.52

#5B6DCE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #5B6DCE

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B6DCE	#FFFFFF	#000000	##FFFFFF
##5B6DCE	1.00	4.64	4.52	4.64
#FFFFFF	4.64	1.00	21.00	1.00
#000000	4.52	21.00	1.00	21.00
##FFFFFF	4.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F7AD2

Deuteranopia (green-blind)

#3070CC

Tritanopia (blue-blind)

#188393

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #5b6dce;
/* rgb */ color: rgb(91, 109, 206);
/* oklch */ color: oklch(56.9% 0.150 272.9);

Tailwind

colors: {
  custom: {
    50: '#9296dd',
    500: '#5b6dce',
    950: '#000000',
  },
}

SCSS

$custom: #5b6dce;
$custom-light: #9296dd;
$custom-dark: #000000;

JSON

{
  "hex": "#5b6dce",
  "rgb": {
    "r": 91,
    "g": 109,
    "b": 206
  },
  "hsl": {
    "h": 230.609,
    "s": 53.991,
    "l": 58.235
  },
  "oklch": {
    "l": 0.56868,
    "c": 0.14981,
    "h": 272.9
  },
  "luminance": 0.17618
}

Semantic roles & 50–950 ramp

primary

#5B6DCE

secondary

#D9D2AB

accent

#C64ADD

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0E0D15

muted

#7E7E83

Preview Lab

Preview with #5B6DCE

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

Preview Lab → · Contrast checker → · Palette generator →