#3B30B4#3B30B4

#3B30B4 is a dark, vivid blue. Relative luminance 0.063; OKLCH L 41.8% C 0.198 H 277.2°. Best body text is #FFFFFF at 9.26:1 contrast (WCAG AA passes).

Color values

HEX	#3B30B4
RGB	rgb(59, 48, 180)
HSL	hsl(245, 58%, 45%)
HSV	hsv(245, 73%, 71%)
CMYK	cmyk(67.2%, 73.3%, 0%, 29.4%)
CIE-LAB	lab(30.25, 45.02, -67.91)
CIE-LCH	lch(30.25, 81.48, 303.54°)
OKLab	oklab(41.81% 0.0249 -0.1962)
OKLCH	oklch(41.81% 0.198 277.2)
XYZ	xyz(11.0961, 6.3380, 43.8098)
Luminance	0.0634 (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

#3B30B4 #A9B430

analogous

#3067B4 #3B30B4 #7D30B4

triadic

#3B30B4 #B43B30 #30B43B

tetradic

#3B30B4 #B43067 #A9B430 #30B47D

square

#3B30B4 #B43067 #A9B430 #30B47D

split-complementary

#3B30B4 #B47D30 #67B430

monochromatic

#1B1653 #2B2384 #3B30B4 #5B51D1 #8981DD

Accessibility & contrast

On white

9.26

#3B30B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#3B30B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B30B4

9.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B30B4	#FFFFFF	#000000	##FFFFFF
##3B30B4	1.00	9.26	2.27	9.26
#FFFFFF	9.26	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DB8

Deuteranopia (green-blind)

#0042B2

Tritanopia (blue-blind)

#00556F

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #3b30b4;
/* rgb */ color: rgb(59, 48, 180);
/* oklch */ color: oklch(41.8% 0.198 277.2);

Tailwind

colors: {
  custom: {
    50: '#816acc',
    500: '#3b30b4',
    950: '#000000',
  },
}

SCSS

$custom: #3b30b4;
$custom-light: #816acc;
$custom-dark: #000000;

JSON

{
  "hex": "#3b30b4",
  "rgb": {
    "r": 59,
    "g": 48,
    "b": 180
  },
  "hsl": {
    "h": 245,
    "s": 57.895,
    "l": 44.706
  },
  "oklch": {
    "l": 0.41811,
    "c": 0.19775,
    "h": 277.2
  },
  "luminance": 0.06339
}

Semantic roles & 50–950 ramp

primary

#3B30B4

secondary

#C0C679

accent

#E147D4

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0713

muted

#7D7A82

Preview Lab

Preview with #3B30B4

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

Preview Lab → · Contrast checker → · Palette generator →