#5B5FEE#5B5FEE

#5B5FEE is a mid, highly saturated blue. Relative luminance 0.166; OKLCH L 56.6% C 0.210 H 276.1°. Best body text is #FFFFFF at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#5B5FEE
RGB	rgb(91, 95, 238)
HSL	hsl(238, 81%, 65%)
HSV	hsv(238, 62%, 93%)
CMYK	cmyk(61.8%, 60.1%, 0%, 6.7%)
CIE-LAB	lab(47.73, 40.62, -72.69)
CIE-LCH	lch(47.73, 83.27, 299.20°)
OKLab	oklab(56.58% 0.0224 -0.2092)
OKLCH	oklch(56.58% 0.21 276.1)
XYZ	xyz(23.8342, 16.5797, 82.8165)
Luminance	0.1658 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B5FEE #EEEA5B

analogous

#5BA9EE #5B5FEE #A05BEE

triadic

#5B5FEE #EE5B5F #5FEE5B

tetradic

#5B5FEE #EE5BA9 #EEEA5B #5BEEA0

square

#5B5FEE #EE5BA9 #EEEA5B #5BEEA0

split-complementary

#5B5FEE #EEA05B #A9EE5B

monochromatic

#1318BB #2429E8 #5B5FEE #9295F4 #CACBF9

Accessibility & contrast

On white

4.87

#5B5FEE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.32

#5B5FEE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5B5FEE

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B5FEE	#FFFFFF	#000000	##FFFFFF
##5B5FEE	1.00	4.87	4.32	4.87
#FFFFFF	4.87	1.00	21.00	1.00
#000000	4.32	21.00	1.00	21.00
##FFFFFF	4.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0078F3

Deuteranopia (green-blind)

#006BEB

Tritanopia (blue-blind)

#00829D

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #5b5fee;
/* rgb */ color: rgb(91, 95, 238);
/* oklch */ color: oklch(56.6% 0.210 276.1);

Tailwind

colors: {
  custom: {
    50: '#988cf5',
    500: '#5b5fee',
    950: '#000000',
  },
}

SCSS

$custom: #5b5fee;
$custom-light: #988cf5;
$custom-dark: #000000;

JSON

{
  "hex": "#5b5fee",
  "rgb": {
    "r": 91,
    "g": 95,
    "b": 238
  },
  "hsl": {
    "h": 238.367,
    "s": 81.215,
    "l": 64.51
  },
  "oklch": {
    "l": 0.5658,
    "c": 0.21043,
    "h": 276.1
  },
  "luminance": 0.16582
}

Semantic roles & 50–950 ramp

primary

#5B5FEE

secondary

#ECEAB9

accent

#D808DE

background

#FAF8FF

surface

#F3F0FE

border

#CDCBD6

text

#0F0C17

muted

#7F7D85

Preview Lab

Preview with #5B5FEE

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

Preview Lab → · Contrast checker → · Palette generator →