#3330A6#3330A6

#3330A6 is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.9% C 0.182 H 275.4°. Best body text is #FFFFFF at 9.93:1 contrast (WCAG AA passes).

Color values

HEX	#3330A6
RGB	rgb(51, 48, 166)
HSL	hsl(242, 55%, 42%)
HSV	hsv(242, 71%, 65%)
CMYK	cmyk(69.3%, 71.1%, 0%, 34.9%)
CIE-LAB	lab(28.30, 39.47, -62.75)
CIE-LCH	lch(28.30, 74.13, 302.17°)
OKLab	oklab(39.86% 0.0171 -0.1813)
OKLCH	oklch(39.86% 0.182 275.4)
XYZ	xyz(9.3029, 5.5700, 36.6539)
Luminance	0.0557 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3330A6 #A3A630

analogous

#3068A6 #3330A6 #6E30A6

triadic

#3330A6 #A63330 #30A633

tetradic

#3330A6 #A63068 #A3A630 #30A66E

square

#3330A6 #A63068 #A3A630 #30A66E

split-complementary

#3330A6 #A66E30 #68A630

monochromatic

#161547 #242277 #3330A6 #4C49CA #7B78D8

Accessibility & contrast

On white

9.93

#3330A6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#3330A6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3330A6

9.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3330A6	#FFFFFF	#000000	##FFFFFF
##3330A6	1.00	9.93	2.11	9.93
#FFFFFF	9.93	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048AA

Deuteranopia (green-blind)

#003DA4

Tritanopia (blue-blind)

#005067

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #3330a6;
/* rgb */ color: rgb(51, 48, 166);
/* oklch */ color: oklch(39.9% 0.182 275.4);

Tailwind

colors: {
  custom: {
    50: '#7b69c2',
    500: '#3330a6',
    950: '#000000',
  },
}

SCSS

$custom: #3330a6;
$custom-light: #7b69c2;
$custom-dark: #000000;

JSON

{
  "hex": "#3330a6",
  "rgb": {
    "r": 51,
    "g": 48,
    "b": 166
  },
  "hsl": {
    "h": 241.525,
    "s": 55.14,
    "l": 41.961
  },
  "oklch": {
    "l": 0.39857,
    "c": 0.18211,
    "h": 275.4
  },
  "luminance": 0.05571
}

Semantic roles & 50–950 ramp

primary

#3330A6

secondary

#BEC071

accent

#DE49DB

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0612

muted

#7C7A81

Preview Lab

Preview with #3330A6

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

Preview Lab → · Contrast checker → · Palette generator →