#3D45DD#3D45DD

#3D45DD is a mid, highly saturated blue. Relative luminance 0.105; OKLCH L 49.1% C 0.226 H 272.2°. Best body text is #FFFFFF at 6.79:1 contrast (WCAG AA passes).

Color values

HEX	#3D45DD
RGB	rgb(61, 69, 221)
HSL	hsl(237, 70%, 55%)
HSV	hsv(237, 72%, 87%)
CMYK	cmyk(72.4%, 68.8%, 0%, 13.3%)
CIE-LAB	lab(38.67, 46.62, -77.96)
CIE-LCH	lch(38.67, 90.83, 300.88°)
OKLab	oklab(49.06% 0.0088 -0.2255)
OKLCH	oklch(49.06% 0.226 272.2)
XYZ	xyz(17.0993, 10.4670, 69.5118)
Luminance	0.1047 (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

#3D45DD #DDD53D

analogous

#3D95DD #3D45DD #853DDD

triadic

#3D45DD #DD3D45 #45DD3D

tetradic

#3D45DD #DD3D95 #DDD53D #3DDD85

square

#3D45DD #DD3D95 #DDD53D #3DDD85

split-complementary

#3D45DD #DD853D #95DD3D

monochromatic

#181D88 #2129BC #3D45DD #7177E6 #A5A9EF

Accessibility & contrast

On white

6.79

#3D45DD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.09

#3D45DD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3D45DD

6.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D45DD	#FFFFFF	#000000	##FFFFFF
##3D45DD	1.00	6.79	3.09	6.79
#FFFFFF	6.79	1.00	21.00	1.00
#000000	3.09	21.00	1.00	21.00
##FFFFFF	6.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063E2

Deuteranopia (green-blind)

#0053DA

Tritanopia (blue-blind)

#006F8C

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #3d45dd;
/* rgb */ color: rgb(61, 69, 221);
/* oklch */ color: oklch(49.1% 0.226 272.2);

Tailwind

colors: {
  custom: {
    50: '#8979e9',
    500: '#3d45dd',
    950: '#000000',
  },
}

SCSS

$custom: #3d45dd;
$custom-light: #8979e9;
$custom-dark: #000000;

JSON

{
  "hex": "#3d45dd",
  "rgb": {
    "r": 61,
    "g": 69,
    "b": 221
  },
  "hsl": {
    "h": 237,
    "s": 70.175,
    "l": 55.294
  },
  "oklch": {
    "l": 0.49057,
    "c": 0.22567,
    "h": 272.2
  },
  "luminance": 0.10469
}

Semantic roles & 50–950 ramp

primary

#3D45DD

secondary

#DCD999

accent

#E43BED

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0D0916

muted

#7E7B84

Preview Lab

Preview with #3D45DD

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

Preview Lab → · Contrast checker → · Palette generator →