#3D42DD#3D42DD

#3D42DD is a mid, highly saturated blue. Relative luminance 0.101; OKLCH L 48.6% C 0.229 H 272.6°. Best body text is #FFFFFF at 6.95:1 contrast (WCAG AA passes).

Color values

HEX	#3D42DD
RGB	rgb(61, 66, 221)
HSL	hsl(238, 70%, 55%)
HSV	hsv(238, 72%, 87%)
CMYK	cmyk(72.4%, 70.1%, 0%, 13.3%)
CIE-LAB	lab(38.03, 48.36, -79.00)
CIE-LCH	lch(38.03, 92.63, 301.47°)
OKLab	oklab(48.6% 0.0104 -0.2285)
OKLCH	oklch(48.6% 0.229 272.6)
XYZ	xyz(16.9194, 10.1073, 69.4518)
Luminance	0.1011 (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

#3D42DD #DDD83D

analogous

#3D92DD #3D42DD #883DDD

triadic

#3D42DD #DD3D42 #42DD3D

tetradic

#3D42DD #DD3D92 #DDD83D #3DDD88

square

#3D42DD #DD3D92 #DDD83D #3DDD88

split-complementary

#3D42DD #DD883D #92DD3D

monochromatic

#181B88 #2126BC #3D42DD #7175E6 #A5A7EF

Accessibility & contrast

On white

6.95

#3D42DD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.02

#3D42DD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3D42DD

6.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D42DD	#FFFFFF	#000000	##FFFFFF
##3D42DD	1.00	6.95	3.02	6.95
#FFFFFF	6.95	1.00	21.00	1.00
#000000	3.02	21.00	1.00	21.00
##FFFFFF	6.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061E2

Deuteranopia (green-blind)

#0052DA

Tritanopia (blue-blind)

#006D8B

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #3d42dd;
/* rgb */ color: rgb(61, 66, 221);
/* oklch */ color: oklch(48.6% 0.229 272.6);

Tailwind

colors: {
  custom: {
    50: '#8a77e9',
    500: '#3d42dd',
    950: '#000000',
  },
}

SCSS

$custom: #3d42dd;
$custom-light: #8a77e9;
$custom-dark: #000000;

JSON

{
  "hex": "#3d42dd",
  "rgb": {
    "r": 61,
    "g": 66,
    "b": 221
  },
  "hsl": {
    "h": 238.125,
    "s": 70.175,
    "l": 55.294
  },
  "oklch": {
    "l": 0.48601,
    "c": 0.22878,
    "h": 272.6
  },
  "luminance": 0.10109
}

Semantic roles & 50–950 ramp

primary

#3D42DD

secondary

#DCDA99

accent

#E73BED

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0E0916

muted

#7E7B84

Preview Lab

Preview with #3D42DD

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

Preview Lab → · Contrast checker → · Palette generator →