#5B74DB#5B74DB

#5B74DB is a mid, vivid blue. Relative luminance 0.198; OKLCH L 59.1% C 0.159 H 270.6°. Best body text is #000000 at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#5B74DB
RGB	rgb(91, 116, 219)
HSL	hsl(228, 64%, 61%)
HSV	hsv(228, 58%, 86%)
CMYK	cmyk(58.4%, 47%, 0%, 14.1%)
CIE-LAB	lab(51.64, 21.55, -55.66)
CIE-LCH	lch(51.64, 59.69, 291.17°)
OKLab	oklab(59.11% 0.0017 -0.1589)
OKLCH	oklch(59.11% 0.159 270.6)
XYZ	xyz(23.3417, 19.8276, 69.6012)
Luminance	0.1983 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B74DB #DBC25B

analogous

#5BB4DB #5B74DB #825BDB

triadic

#5B74DB #DB5B74 #74DB5B

tetradic

#5B74DB #DB5BB4 #DBC25B #5BDB82

square

#5B74DB #DB5BB4 #DBC25B #5BDB82

split-complementary

#5B74DB #DB825B #B4DB5B

monochromatic

#22399A #2D4CCC #5B74DB #8D9FE6 #BFC9F1

Accessibility & contrast

On white

4.23

#5B74DB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.97

#5B74DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B74DB

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B74DB	#FFFFFF	#000000	##000000
##5B74DB	1.00	4.23	4.97	4.97
#FFFFFF	4.23	1.00	21.00	21.00
#000000	4.97	21.00	1.00	1.00
##000000	4.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4281DF

Deuteranopia (green-blind)

#2E76D9

Tritanopia (blue-blind)

#008B9D

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #5b74db;
/* rgb */ color: rgb(91, 116, 219);
/* oklch */ color: oklch(59.1% 0.159 270.6);

Tailwind

colors: {
  custom: {
    50: '#949be7',
    500: '#5b74db',
    950: '#000000',
  },
}

SCSS

$custom: #5b74db;
$custom-light: #949be7;
$custom-dark: #000000;

JSON

{
  "hex": "#5b74db",
  "rgb": {
    "r": 91,
    "g": 116,
    "b": 219
  },
  "hsl": {
    "h": 228.281,
    "s": 64,
    "l": 60.784
  },
  "oklch": {
    "l": 0.59108,
    "c": 0.15894,
    "h": 270.6
  },
  "luminance": 0.19829
}

Semantic roles & 50–950 ramp

primary

#5B74DB

secondary

#E1D8B1

accent

#A91ACC

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0E0E16

muted

#7E7E84

Preview Lab

Preview with #5B74DB

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

Preview Lab → · Contrast checker → · Palette generator →