#5B6ECF#5B6ECF

#5B6ECF is a mid, vivid blue. Relative luminance 0.179; OKLCH L 57.1% C 0.150 H 272.5°. Best body text is #FFFFFF at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#5B6ECF
RGB	rgb(91, 110, 207)
HSL	hsl(230, 55%, 58%)
HSV	hsv(230, 56%, 81%)
CMYK	cmyk(56%, 46.9%, 0%, 18.8%)
CIE-LAB	lab(49.35, 21.31, -52.52)
CIE-LCH	lch(49.35, 56.68, 292.08°)
OKLab	oklab(57.13% 0.0065 -0.1498)
OKLCH	oklch(57.13% 0.15 272.5)
XYZ	xyz(21.1491, 17.8795, 61.3560)
Luminance	0.1788 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B6ECF #CFBC5B

analogous

#5BA8CF #5B6ECF #825BCF

triadic

#5B6ECF #CF5B6E #6ECF5B

tetradic

#5B6ECF #CF5BA8 #CFBC5B #5BCF82

square

#5B6ECF #CF5BA8 #CFBC5B #5BCF82

split-complementary

#5B6ECF #CF825B #A8CF5B

monochromatic

#283788 #364BB7 #5B6ECF #8A98DD #BAC2EB

Accessibility & contrast

On white

4.59

#5B6ECF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.58

#5B6ECF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #5B6ECF

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B6ECF	#FFFFFF	#000000	##FFFFFF
##5B6ECF	1.00	4.59	4.58	4.59
#FFFFFF	4.59	1.00	21.00	1.00
#000000	4.58	21.00	1.00	21.00
##FFFFFF	4.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#417BD3

Deuteranopia (green-blind)

#3171CD

Tritanopia (blue-blind)

#168494

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #5b6ecf;
/* rgb */ color: rgb(91, 110, 207);
/* oklch */ color: oklch(57.1% 0.150 272.5);

Tailwind

colors: {
  custom: {
    50: '#9297de',
    500: '#5b6ecf',
    950: '#000000',
  },
}

SCSS

$custom: #5b6ecf;
$custom-light: #9297de;
$custom-dark: #000000;

JSON

{
  "hex": "#5b6ecf",
  "rgb": {
    "r": 91,
    "g": 110,
    "b": 207
  },
  "hsl": {
    "h": 230.172,
    "s": 54.717,
    "l": 58.431
  },
  "oklch": {
    "l": 0.57133,
    "c": 0.14991,
    "h": 272.5
  },
  "luminance": 0.17881
}

Semantic roles & 50–950 ramp

primary

#5B6ECF

secondary

#DAD2AC

accent

#C64ADE

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0E0D15

muted

#7E7E83

Preview Lab

Preview with #5B6ECF

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

Preview Lab → · Contrast checker → · Palette generator →