#3B30B2#3B30B2

#3B30B2 is a dark, vivid blue. Relative luminance 0.063; OKLCH L 41.6% C 0.195 H 277.5°. Best body text is #FFFFFF at 9.33:1 contrast (WCAG AA passes).

Color values

HEX	#3B30B2
RGB	rgb(59, 48, 178)
HSL	hsl(245, 58%, 44%)
HSV	hsv(245, 73%, 70%)
CMYK	cmyk(66.9%, 73%, 0%, 30.2%)
CIE-LAB	lab(30.05, 44.38, -67.04)
CIE-LCH	lch(30.05, 80.40, 303.50°)
OKLab	oklab(41.61% 0.0253 -0.1936)
OKLCH	oklch(41.61% 0.195 277.5)
XYZ	xyz(10.8939, 6.2571, 42.7445)
Luminance	0.0626 (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

#3B30B2 #A7B230

analogous

#3066B2 #3B30B2 #7C30B2

triadic

#3B30B2 #B23B30 #30B23B

tetradic

#3B30B2 #B23066 #A7B230 #30B27C

square

#3B30B2 #B23066 #A7B230 #30B27C

split-complementary

#3B30B2 #B27C30 #66B230

monochromatic

#1B1652 #2B2382 #3B30B2 #5A50D0 #8880DD

Accessibility & contrast

On white

9.33

#3B30B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#3B30B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B30B2

9.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B30B2	#FFFFFF	#000000	##FFFFFF
##3B30B2	1.00	9.33	2.25	9.33
#FFFFFF	9.33	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CB6

Deuteranopia (green-blind)

#0041B0

Tritanopia (blue-blind)

#00556E

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #3b30b2;
/* rgb */ color: rgb(59, 48, 178);
/* oklch */ color: oklch(41.6% 0.195 277.5);

Tailwind

colors: {
  custom: {
    50: '#816aca',
    500: '#3b30b2',
    950: '#000000',
  },
}

SCSS

$custom: #3b30b2;
$custom-light: #816aca;
$custom-dark: #000000;

JSON

{
  "hex": "#3b30b2",
  "rgb": {
    "r": 59,
    "g": 48,
    "b": 178
  },
  "hsl": {
    "h": 245.077,
    "s": 57.522,
    "l": 44.314
  },
  "oklch": {
    "l": 0.41611,
    "c": 0.19529,
    "h": 277.5
  },
  "luminance": 0.06258
}

Semantic roles & 50–950 ramp

primary

#3B30B2

secondary

#BFC678

accent

#E147D4

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0713

muted

#7D7A82

Preview Lab

Preview with #3B30B2

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

Preview Lab → · Contrast checker → · Palette generator →