#3A45DD#3A45DD

#3A45DD is a mid, highly saturated blue. Relative luminance 0.104; OKLCH L 48.9% C 0.226 H 271.4°. Best body text is #FFFFFF at 6.83:1 contrast (WCAG AA passes).

Color values

HEX	#3A45DD
RGB	rgb(58, 69, 221)
HSL	hsl(236, 71%, 55%)
HSV	hsv(236, 74%, 87%)
CMYK	cmyk(73.8%, 68.8%, 0%, 13.3%)
CIE-LAB	lab(38.51, 46.33, -78.23)
CIE-LCH	lch(38.51, 90.92, 300.63°)
OKLab	oklab(48.9% 0.0056 -0.2264)
OKLCH	oklch(48.9% 0.226 271.4)
XYZ	xyz(16.9198, 10.3745, 69.5034)
Luminance	0.1038 (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

#3A45DD #DDD23A

analogous

#3A97DD #3A45DD #813ADD

triadic

#3A45DD #DD3A45 #45DD3A

tetradic

#3A45DD #DD3A97 #DDD23A #3ADD81

square

#3A45DD #DD3A97 #DDD23A #3ADD81

split-complementary

#3A45DD #DD813A #97DD3A

monochromatic

#171F86 #202ABA #3A45DD #6E76E6 #A2A8EF

Accessibility & contrast

On white

6.83

#3A45DD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.08

#3A45DD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A45DD

6.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A45DD	#FFFFFF	#000000	##FFFFFF
##3A45DD	1.00	6.83	3.08	6.83
#FFFFFF	6.83	1.00	21.00	1.00
#000000	3.08	21.00	1.00	21.00
##FFFFFF	6.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062E2

Deuteranopia (green-blind)

#0053DA

Tritanopia (blue-blind)

#006F8C

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #3a45dd;
/* rgb */ color: rgb(58, 69, 221);
/* oklch */ color: oklch(48.9% 0.226 271.4);

Tailwind

colors: {
  custom: {
    50: '#8879e9',
    500: '#3a45dd',
    950: '#000000',
  },
}

SCSS

$custom: #3a45dd;
$custom-light: #8879e9;
$custom-dark: #000000;

JSON

{
  "hex": "#3a45dd",
  "rgb": {
    "r": 58,
    "g": 69,
    "b": 221
  },
  "hsl": {
    "h": 235.951,
    "s": 70.563,
    "l": 54.706
  },
  "oklch": {
    "l": 0.48896,
    "c": 0.22643,
    "h": 271.4
  },
  "luminance": 0.10376
}

Semantic roles & 50–950 ramp

primary

#3A45DD

secondary

#DCD797

accent

#E13AED

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0D0916

muted

#7E7B84

Preview Lab

Preview with #3A45DD

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

Preview Lab → · Contrast checker → · Palette generator →