#5B61E9#5B61E9

#5B61E9 is a mid, highly saturated blue. Relative luminance 0.167; OKLCH L 56.5% C 0.202 H 275.9°. Best body text is #FFFFFF at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#5B61E9
RGB	rgb(91, 97, 233)
HSL	hsl(237, 76%, 64%)
HSV	hsv(237, 61%, 91%)
CMYK	cmyk(60.9%, 58.4%, 0%, 8.6%)
CIE-LAB	lab(47.82, 37.80, -69.72)
CIE-LCH	lch(47.82, 79.31, 298.46°)
OKLab	oklab(56.53% 0.0208 -0.2005)
OKLCH	oklch(56.53% 0.202 275.9)
XYZ	xyz(23.2923, 16.6549, 79.0623)
Luminance	0.1666 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B61E9 #E9E35B

analogous

#5BA8E9 #5B61E9 #9C5BE9

triadic

#5B61E9 #E95B61 #61E95B

tetradic

#5B61E9 #E95BA8 #E9E35B #5BE99C

square

#5B61E9 #E95BA8 #E9E35B #5BE99C

split-complementary

#5B61E9 #E99C5B #A8E95B

monochromatic

#181EB2 #252DE2 #5B61E9 #9195F0 #C7C9F7

Accessibility & contrast

On white

4.85

#5B61E9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.33

#5B61E9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5B61E9

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B61E9	#FFFFFF	#000000	##FFFFFF
##5B61E9	1.00	4.85	4.33	4.85
#FFFFFF	4.85	1.00	21.00	1.00
#000000	4.33	21.00	1.00	21.00
##FFFFFF	4.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0078EE

Deuteranopia (green-blind)

#006BE6

Tritanopia (blue-blind)

#00829C

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #5b61e9;
/* rgb */ color: rgb(91, 97, 233);
/* oklch */ color: oklch(56.5% 0.202 275.9);

Tailwind

colors: {
  custom: {
    50: '#978ef1',
    500: '#5b61e9',
    950: '#000000',
  },
}

SCSS

$custom: #5b61e9;
$custom-light: #978ef1;
$custom-dark: #000000;

JSON

{
  "hex": "#5b61e9",
  "rgb": {
    "r": 91,
    "g": 97,
    "b": 233
  },
  "hsl": {
    "h": 237.465,
    "s": 76.344,
    "l": 63.529
  },
  "oklch": {
    "l": 0.56534,
    "c": 0.20157,
    "h": 275.9
  },
  "luminance": 0.16657
}

Semantic roles & 50–950 ramp

primary

#5B61E9

secondary

#E9E7B7

accent

#D00DD9

background

#FAF8FE

surface

#F3F0FD

border

#CDCBD5

text

#0F0C17

muted

#7F7D85

Preview Lab

Preview with #5B61E9

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

Preview Lab → · Contrast checker → · Palette generator →