#5E66DB#5E66DB

#5E66DB is a mid, vivid blue. Relative luminance 0.170; OKLCH L 56.6% C 0.176 H 276.3°. Best body text is #FFFFFF at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#5E66DB
RGB	rgb(94, 102, 219)
HSL	hsl(236, 63%, 61%)
HSV	hsv(236, 57%, 86%)
CMYK	cmyk(57.1%, 53.4%, 0%, 14.1%)
CIE-LAB	lab(48.25, 30.73, -61.10)
CIE-LCH	lch(48.25, 68.40, 296.70°)
OKLab	oklab(56.6% 0.0192 -0.175)
OKLCH	oklch(56.6% 0.176 276.3)
XYZ	xyz(22.1495, 16.9953, 69.1173)
Luminance	0.1700 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5E66DB #DBD35E

analogous

#5EA5DB #5E66DB #955EDB

triadic

#5E66DB #DB5E66 #66DB5E

tetradic

#5E66DB #DB5EA5 #DBD35E #5EDB95

square

#5E66DB #DB5EA5 #DBD35E #5EDB95

split-complementary

#5E66DB #DB955E #A5DB5E

monochromatic

#232B9C #2E38CE #5E66DB #9096E6 #C2C5F1

Accessibility & contrast

On white

4.77

#5E66DB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.40

#5E66DB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5E66DB

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5E66DB	#FFFFFF	#000000	##FFFFFF
##5E66DB	1.00	4.77	4.40	4.77
#FFFFFF	4.77	1.00	21.00	1.00
#000000	4.40	21.00	1.00	21.00
##FFFFFF	4.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C78DF

Deuteranopia (green-blind)

#006DD9

Tritanopia (blue-blind)

#0C8197

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #5e66db;
/* rgb */ color: rgb(94, 102, 219);
/* oklch */ color: oklch(56.6% 0.176 276.3);

Tailwind

colors: {
  custom: {
    50: '#9691e7',
    500: '#5e66db',
    950: '#000000',
  },
}

SCSS

$custom: #5e66db;
$custom-light: #9691e7;
$custom-dark: #000000;

JSON

{
  "hex": "#5e66db",
  "rgb": {
    "r": 94,
    "g": 102,
    "b": 219
  },
  "hsl": {
    "h": 236.16,
    "s": 63.452,
    "l": 61.373
  },
  "oklch": {
    "l": 0.56598,
    "c": 0.17606,
    "h": 276.3
  },
  "luminance": 0.16997
}

Semantic roles & 50–950 ramp

primary

#5E66DB

secondary

#E2DFB3

accent

#C01ACB

background

#F9F8FE

surface

#F2F0FC

border

#CCCBD5

text

#0E0C16

muted

#7E7D84

Preview Lab

Preview with #5E66DB

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

Preview Lab → · Contrast checker → · Palette generator →