#3B30B3#3B30B3

#3B30B3 is a dark, vivid blue. Relative luminance 0.063; OKLCH L 41.7% C 0.197 H 277.3°. Best body text is #FFFFFF at 9.29:1 contrast (WCAG AA passes).

Color values

HEX	#3B30B3
RGB	rgb(59, 48, 179)
HSL	hsl(245, 58%, 45%)
HSV	hsv(245, 73%, 70%)
CMYK	cmyk(67%, 73.2%, 0%, 29.8%)
CIE-LAB	lab(30.15, 44.70, -67.48)
CIE-LCH	lch(30.15, 80.94, 303.52°)
OKLab	oklab(41.71% 0.0251 -0.1949)
OKLCH	oklch(41.71% 0.197 277.3)
XYZ	xyz(10.9946, 6.2974, 43.2752)
Luminance	0.0630 (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

#3B30B3 #A8B330

analogous

#3067B3 #3B30B3 #7D30B3

triadic

#3B30B3 #B33B30 #30B33B

tetradic

#3B30B3 #B33067 #A8B330 #30B37D

square

#3B30B3 #B33067 #A8B330 #30B37D

split-complementary

#3B30B3 #B37D30 #67B330

monochromatic

#1B1652 #2B2383 #3B30B3 #5B50D0 #8880DD

Accessibility & contrast

On white

9.29

#3B30B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#3B30B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B30B3

9.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B30B3	#FFFFFF	#000000	##FFFFFF
##3B30B3	1.00	9.29	2.26	9.29
#FFFFFF	9.29	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CB7

Deuteranopia (green-blind)

#0041B1

Tritanopia (blue-blind)

#00556F

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #3b30b3;
/* rgb */ color: rgb(59, 48, 179);
/* oklch */ color: oklch(41.7% 0.197 277.3);

Tailwind

colors: {
  custom: {
    50: '#816acb',
    500: '#3b30b3',
    950: '#000000',
  },
}

SCSS

$custom: #3b30b3;
$custom-light: #816acb;
$custom-dark: #000000;

JSON

{
  "hex": "#3b30b3",
  "rgb": {
    "r": 59,
    "g": 48,
    "b": 179
  },
  "hsl": {
    "h": 245.038,
    "s": 57.709,
    "l": 44.51
  },
  "oklch": {
    "l": 0.41711,
    "c": 0.19651,
    "h": 277.3
  },
  "luminance": 0.06298
}

Semantic roles & 50–950 ramp

primary

#3B30B3

secondary

#C0C679

accent

#E147D4

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0713

muted

#7D7A82

Preview Lab

Preview with #3B30B3

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

Preview Lab → · Contrast checker → · Palette generator →