#3B45DD#3B45DD

#3B45DD is a mid, highly saturated blue. Relative luminance 0.104; OKLCH L 48.9% C 0.226 H 271.7°. Best body text is #FFFFFF at 6.82:1 contrast (WCAG AA passes).

Color values

HEX	#3B45DD
RGB	rgb(59, 69, 221)
HSL	hsl(236, 70%, 55%)
HSV	hsv(236, 73%, 87%)
CMYK	cmyk(73.3%, 68.8%, 0%, 13.3%)
CIE-LAB	lab(38.56, 46.43, -78.14)
CIE-LCH	lch(38.56, 90.89, 300.72°)
OKLab	oklab(48.95% 0.0067 -0.2261)
OKLCH	oklch(48.95% 0.226 271.7)
XYZ	xyz(16.9785, 10.4047, 69.5061)
Luminance	0.1041 (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

#3B45DD #DDD33B

analogous

#3B96DD #3B45DD #823BDD

triadic

#3B45DD #DD3B45 #45DD3B

tetradic

#3B45DD #DD3B96 #DDD33B #3BDD82

square

#3B45DD #DD3B96 #DDD33B #3BDD82

split-complementary

#3B45DD #DD823B #96DD3B

monochromatic

#171E86 #202ABA #3B45DD #6F76E6 #A3A8EF

Accessibility & contrast

On white

6.82

#3B45DD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.08

#3B45DD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B45DD

6.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B45DD	#FFFFFF	#000000	##FFFFFF
##3B45DD	1.00	6.82	3.08	6.82
#FFFFFF	6.82	1.00	21.00	1.00
#000000	3.08	21.00	1.00	21.00
##FFFFFF	6.82	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: #3b45dd;
/* rgb */ color: rgb(59, 69, 221);
/* oklch */ color: oklch(48.9% 0.226 271.7);

Tailwind

colors: {
  custom: {
    50: '#8979e9',
    500: '#3b45dd',
    950: '#000000',
  },
}

SCSS

$custom: #3b45dd;
$custom-light: #8979e9;
$custom-dark: #000000;

JSON

{
  "hex": "#3b45dd",
  "rgb": {
    "r": 59,
    "g": 69,
    "b": 221
  },
  "hsl": {
    "h": 236.296,
    "s": 70.435,
    "l": 54.902
  },
  "oklch": {
    "l": 0.48949,
    "c": 0.22618,
    "h": 271.7
  },
  "luminance": 0.10407
}

Semantic roles & 50–950 ramp

primary

#3B45DD

secondary

#DCD898

accent

#E23BED

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0D0916

muted

#7E7B84

Preview Lab

Preview with #3B45DD

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

Preview Lab → · Contrast checker → · Palette generator →