#3D33B3#3D33B3

#3D33B3 is a dark, vivid blue. Relative luminance 0.066; OKLCH L 42.3% C 0.193 H 277.7°. Best body text is #FFFFFF at 9.04:1 contrast (WCAG AA passes).

Color values

HEX	#3D33B3
RGB	rgb(61, 51, 179)
HSL	hsl(245, 56%, 45%)
HSV	hsv(245, 72%, 70%)
CMYK	cmyk(65.9%, 71.5%, 0%, 29.8%)
CIE-LAB	lab(30.91, 43.24, -66.22)
CIE-LCH	lch(30.91, 79.09, 303.14°)
OKLab	oklab(42.29% 0.0258 -0.1912)
OKLCH	oklch(42.29% 0.193 277.7)
XYZ	xyz(11.2423, 6.6135, 43.3232)
Luminance	0.0661 (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

#3D33B3 #A9B333

analogous

#3369B3 #3D33B3 #7D33B3

triadic

#3D33B3 #B33D33 #33B33D

tetradic

#3D33B3 #B33369 #A9B333 #33B37D

square

#3D33B3 #B33369 #A9B333 #33B37D

split-complementary

#3D33B3 #B37D33 #69B333

monochromatic

#1D1854 #2D2583 #3D33B3 #5E55CE #8B84DC

Accessibility & contrast

On white

9.04

#3D33B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#3D33B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D33B3

9.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D33B3	#FFFFFF	#000000	##FFFFFF
##3D33B3	1.00	9.04	2.32	9.04
#FFFFFF	9.04	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EB7

Deuteranopia (green-blind)

#0043B1

Tritanopia (blue-blind)

#00566F

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #3d33b3;
/* rgb */ color: rgb(61, 51, 179);
/* oklch */ color: oklch(42.3% 0.193 277.7);

Tailwind

colors: {
  custom: {
    50: '#826ccb',
    500: '#3d33b3',
    950: '#000000',
  },
}

SCSS

$custom: #3d33b3;
$custom-light: #826ccb;
$custom-dark: #000000;

JSON

{
  "hex": "#3d33b3",
  "rgb": {
    "r": 61,
    "g": 51,
    "b": 179
  },
  "hsl": {
    "h": 244.688,
    "s": 55.652,
    "l": 45.098
  },
  "oklch": {
    "l": 0.4229,
    "c": 0.19294,
    "h": 277.7
  },
  "luminance": 0.06614
}

Semantic roles & 50–950 ramp

primary

#3D33B3

secondary

#C0C67C

accent

#DF49D3

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0713

muted

#7D7A82

Preview Lab

Preview with #3D33B3

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

Preview Lab → · Contrast checker → · Palette generator →