#5B61DB#5B61DB

#5B61DB is a mid, vivid blue. Relative luminance 0.159; OKLCH L 55.5% C 0.183 H 276.5°. Best body text is #FFFFFF at 5.03:1 contrast (WCAG AA passes).

Color values

HEX	#5B61DB
RGB	rgb(91, 97, 219)
HSL	hsl(237, 64%, 61%)
HSV	hsv(237, 58%, 86%)
CMYK	cmyk(58.4%, 55.7%, 0%, 14.1%)
CIE-LAB	lab(46.83, 33.24, -63.42)
CIE-LCH	lch(46.83, 71.61, 297.66°)
OKLab	oklab(55.48% 0.0208 -0.182)
OKLCH	oklch(55.48% 0.183 276.5)
XYZ	xyz(21.3711, 15.8864, 68.9443)
Luminance	0.1589 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B61DB #DBD55B

analogous

#5BA1DB #5B61DB #955BDB

triadic

#5B61DB #DB5B61 #61DB5B

tetradic

#5B61DB #DB5BA1 #DBD55B #5BDB95

square

#5B61DB #DB5BA1 #DBD55B #5BDB95

split-complementary

#5B61DB #DB955B #A1DB5B

monochromatic

#22279A #2D34CC #5B61DB #8D91E6 #BFC2F1

Accessibility & contrast

On white

5.03

#5B61DB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.18

#5B61DB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5B61DB

5.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B61DB	#FFFFFF	#000000	##FFFFFF
##5B61DB	1.00	5.03	4.18	5.03
#FFFFFF	5.03	1.00	21.00	1.00
#000000	4.18	21.00	1.00	21.00
##FFFFFF	5.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0074DF

Deuteranopia (green-blind)

#006AD8

Tritanopia (blue-blind)

#007E95

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #5b61db;
/* rgb */ color: rgb(91, 97, 219);
/* oklch */ color: oklch(55.5% 0.183 276.5);

Tailwind

colors: {
  custom: {
    50: '#948ee7',
    500: '#5b61db',
    950: '#000000',
  },
}

SCSS

$custom: #5b61db;
$custom-light: #948ee7;
$custom-dark: #000000;

JSON

{
  "hex": "#5b61db",
  "rgb": {
    "r": 91,
    "g": 97,
    "b": 219
  },
  "hsl": {
    "h": 237.188,
    "s": 64,
    "l": 60.784
  },
  "oklch": {
    "l": 0.55479,
    "c": 0.18314,
    "h": 276.5
  },
  "luminance": 0.15888
}

Semantic roles & 50–950 ramp

primary

#5B61DB

secondary

#E1DFB1

accent

#C31ACC

background

#F9F8FE

surface

#F2F0FC

border

#CCCBD5

text

#0E0C16

muted

#7E7D84

Preview Lab

Preview with #5B61DB

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

Preview Lab → · Contrast checker → · Palette generator →