#5B75DD#5B75DD

#5B75DD is a mid, vivid blue. Relative luminance 0.202; OKLCH L 59.4% C 0.160 H 270.3°. Best body text is #000000 at 5.03:1 contrast (WCAG AA passes).

Color values

HEX	#5B75DD
RGB	rgb(91, 117, 221)
HSL	hsl(228, 66%, 61%)
HSV	hsv(228, 59%, 87%)
CMYK	cmyk(58.8%, 47.1%, 0%, 13.3%)
CIE-LAB	lab(52.02, 21.60, -56.18)
CIE-LCH	lch(52.02, 60.19, 291.03°)
OKLab	oklab(59.44% 0.001 -0.1604)
OKLCH	oklch(59.44% 0.16 270.3)
XYZ	xyz(23.7225, 20.1653, 71.0348)
Luminance	0.2017 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B75DD #DDC35B

analogous

#5BB6DD #5B75DD #825BDD

triadic

#5B75DD #DD5B75 #75DD5B

tetradic

#5B75DD #DD5BB6 #DDC35B #5BDD82

square

#5B75DD #DD5BB6 #DDC35B #5BDD82

split-complementary

#5B75DD #DD825B #B6DD5B

monochromatic

#21399D #2B4CD0 #5B75DD #8EA0E8 #C0CAF2

Accessibility & contrast

On white

4.17

#5B75DD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.03

#5B75DD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B75DD

5.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B75DD	#FFFFFF	#000000	##000000
##5B75DD	1.00	4.17	5.03	5.03
#FFFFFF	4.17	1.00	21.00	21.00
#000000	5.03	21.00	1.00	1.00
##000000	5.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4282E1

Deuteranopia (green-blind)

#2D77DB

Tritanopia (blue-blind)

#008C9E

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #5b75dd;
/* rgb */ color: rgb(91, 117, 221);
/* oklch */ color: oklch(59.4% 0.160 270.3);

Tailwind

colors: {
  custom: {
    50: '#949ce8',
    500: '#5b75dd',
    950: '#000000',
  },
}

SCSS

$custom: #5b75dd;
$custom-light: #949ce8;
$custom-dark: #000000;

JSON

{
  "hex": "#5b75dd",
  "rgb": {
    "r": 91,
    "g": 117,
    "b": 221
  },
  "hsl": {
    "h": 228,
    "s": 65.657,
    "l": 61.176
  },
  "oklch": {
    "l": 0.59437,
    "c": 0.16044,
    "h": 270.3
  },
  "luminance": 0.20167
}

Semantic roles & 50–950 ramp

primary

#5B75DD

secondary

#E2D9B1

accent

#A918CE

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0E16

muted

#7E7E84

Preview Lab

Preview with #5B75DD

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

Preview Lab → · Contrast checker → · Palette generator →