#3331CA#3331CA

#3331CA is a dark, highly saturated blue. Relative luminance 0.072; OKLCH L 43.7% C 0.225 H 272.6°. Best body text is #FFFFFF at 8.63:1 contrast (WCAG AA passes).

Color values

HEX	#3331CA
RGB	rgb(51, 49, 202)
HSL	hsl(241, 61%, 49%)
HSV	hsv(241, 76%, 79%)
CMYK	cmyk(74.8%, 75.7%, 0%, 20.8%)
CIE-LAB	lab(32.18, 50.76, -77.71)
CIE-LCH	lch(32.18, 92.82, 303.15°)
OKLab	oklab(43.71% 0.0102 -0.2249)
OKLCH	oklch(43.71% 0.225 272.6)
XYZ	xyz(13.1206, 7.1633, 56.5568)
Luminance	0.0717 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 4.18

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3331CA #C8CA31

analogous

#317CCA #3331CA #8031CA

triadic

#3331CA #CA3331 #31CA33

tetradic

#3331CA #CA317C #C8CA31 #31CA80

square

#3331CA #CA317C #C8CA31 #31CA80

split-complementary

#3331CA #CA8031 #7CCA31

monochromatic

#1A1967 #272599 #3331CA #6160D8 #9291E4

Accessibility & contrast

On white

8.63

#3331CA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.43

#3331CA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3331CA

8.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3331CA	#FFFFFF	#000000	##FFFFFF
##3331CA	1.00	8.63	2.43	8.63
#FFFFFF	8.63	1.00	21.00	1.00
#000000	2.43	21.00	1.00	21.00
##FFFFFF	8.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053CE

Deuteranopia (green-blind)

#0044C7

Tritanopia (blue-blind)

#005E7C

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #3331ca;
/* rgb */ color: rgb(51, 49, 202);
/* oklch */ color: oklch(43.7% 0.225 272.6);

Tailwind

colors: {
  custom: {
    50: '#836cdc',
    500: '#3331ca',
    950: '#000000',
  },
}

SCSS

$custom: #3331ca;
$custom-light: #836cdc;
$custom-dark: #000000;

JSON

{
  "hex": "#3331ca",
  "rgb": {
    "r": 51,
    "g": 49,
    "b": 202
  },
  "hsl": {
    "h": 240.784,
    "s": 60.956,
    "l": 49.216
  },
  "oklch": {
    "l": 0.43709,
    "c": 0.22513,
    "h": 272.6
  },
  "luminance": 0.07165
}

Semantic roles & 50–950 ramp

primary

#3331CA

secondary

#CECF88

accent

#E444E2

background

#F8F6FD

surface

#F0EBFB

border

#CBC6D4

text

#0D0715

muted

#7D7A83

Preview Lab

Preview with #3331CA

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

Preview Lab → · Contrast checker → · Palette generator →