#5B5ECA#5B5ECA

#5B5ECA is a mid, vivid blue. Relative luminance 0.145; OKLCH L 53.7% C 0.164 H 278.1°. Best body text is #FFFFFF at 5.39:1 contrast (WCAG AA passes).

Color values

HEX	#5B5ECA
RGB	rgb(91, 94, 202)
HSL	hsl(238, 51%, 57%)
HSV	hsv(238, 55%, 79%)
CMYK	cmyk(55%, 53.5%, 0%, 20.8%)
CIE-LAB	lab(44.93, 29.59, -56.76)
CIE-LCH	lch(44.93, 64.01, 297.53°)
OKLab	oklab(53.7% 0.0232 -0.1624)
OKLCH	oklch(53.7% 0.164 278.1)
XYZ	xyz(18.9744, 14.4926, 57.6632)
Luminance	0.1449 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B5ECA #CAC75B

analogous

#5B96CA #5B5ECA #8F5BCA

triadic

#5B5ECA #CA5B5E #5ECA5B

tetradic

#5B5ECA #CA5B96 #CAC75B #5BCA8F

square

#5B5ECA #CA5B96 #CAC75B #5BCA8F

split-complementary

#5B5ECA #CA8F5B #96CA5B

monochromatic

#2A2C81 #393CAF #5B5ECA #898BD9 #B8B9E8

Accessibility & contrast

On white

5.39

#5B5ECA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.90

#5B5ECA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5B5ECA

5.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B5ECA	#FFFFFF	#000000	##FFFFFF
##5B5ECA	1.00	5.39	3.90	5.39
#FFFFFF	5.39	1.00	21.00	1.00
#000000	3.90	21.00	1.00	21.00
##FFFFFF	5.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E6FCE

Deuteranopia (green-blind)

#0066C8

Tritanopia (blue-blind)

#23778B

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #5b5eca;
/* rgb */ color: rgb(91, 94, 202);
/* oklch */ color: oklch(53.7% 0.164 278.1);

Tailwind

colors: {
  custom: {
    50: '#928bdb',
    500: '#5b5eca',
    950: '#000000',
  },
}

SCSS

$custom: #5b5eca;
$custom-light: #928bdb;
$custom-dark: #000000;

JSON

{
  "hex": "#5b5eca",
  "rgb": {
    "r": 91,
    "g": 94,
    "b": 202
  },
  "hsl": {
    "h": 238.378,
    "s": 51.152,
    "l": 57.451
  },
  "oklch": {
    "l": 0.53698,
    "c": 0.16403,
    "h": 278.1
  },
  "luminance": 0.14494
}

Semantic roles & 50–950 ramp

primary

#5B5ECA

secondary

#D7D6AA

accent

#D74DDB

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0E0C15

muted

#7E7D83

Preview Lab

Preview with #5B5ECA

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

Preview Lab → · Contrast checker → · Palette generator →