#3D42DB#3D42DB

#3D42DB is a mid, highly saturated blue. Relative luminance 0.100; OKLCH L 48.4% C 0.226 H 272.7°. Best body text is #FFFFFF at 7.00:1 contrast (WCAG AA passes).

Color values

HEX	#3D42DB
RGB	rgb(61, 66, 219)
HSL	hsl(238, 69%, 55%)
HSV	hsv(238, 72%, 86%)
CMYK	cmyk(72.1%, 69.9%, 0%, 14.1%)
CIE-LAB	lab(37.84, 47.70, -78.17)
CIE-LCH	lch(37.84, 91.57, 301.39°)
OKLab	oklab(48.41% 0.0107 -0.2261)
OKLCH	oklch(48.41% 0.226 272.7)
XYZ	xyz(16.6546, 10.0013, 68.0568)
Luminance	0.1000 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D42DB #DBD63D

analogous

#3D91DB #3D42DB #873DDB

triadic

#3D42DB #DB3D42 #42DB3D

tetradic

#3D42DB #DB3D91 #DBD63D #3DDB87

square

#3D42DB #DB3D91 #DBD63D #3DDB87

split-complementary

#3D42DB #DB873D #91DB3D

monochromatic

#191C85 #2227B9 #3D42DB #7174E5 #A4A7EE

Accessibility & contrast

On white

7.00

#3D42DB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

3.00

#3D42DB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3D42DB

7.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D42DB	#FFFFFF	#000000	##FFFFFF
##3D42DB	1.00	7.00	3.00	7.00
#FFFFFF	7.00	1.00	21.00	1.00
#000000	3.00	21.00	1.00	21.00
##FFFFFF	7.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061E0

Deuteranopia (green-blind)

#0051D8

Tritanopia (blue-blind)

#006D8A

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #3d42db;
/* rgb */ color: rgb(61, 66, 219);
/* oklch */ color: oklch(48.4% 0.226 272.7);

Tailwind

colors: {
  custom: {
    50: '#8977e7',
    500: '#3d42db',
    950: '#000000',
  },
}

SCSS

$custom: #3d42db;
$custom-light: #8977e7;
$custom-dark: #000000;

JSON

{
  "hex": "#3d42db",
  "rgb": {
    "r": 61,
    "g": 66,
    "b": 219
  },
  "hsl": {
    "h": 238.101,
    "s": 68.696,
    "l": 54.902
  },
  "oklch": {
    "l": 0.48408,
    "c": 0.22636,
    "h": 272.7
  },
  "luminance": 0.10003
}

Semantic roles & 50–950 ramp

primary

#3D42DB

secondary

#DBD999

accent

#E63CEC

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0D0916

muted

#7E7B84

Preview Lab

Preview with #3D42DB

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

Preview Lab → · Contrast checker → · Palette generator →