#3330B7#3330B7

#3330B7 is a dark, highly saturated blue. Relative luminance 0.062; OKLCH L 41.6% C 0.203 H 274.0°. Best body text is #FFFFFF at 9.34:1 contrast (WCAG AA passes).

Color values

HEX	#3330B7
RGB	rgb(51, 48, 183)
HSL	hsl(241, 58%, 45%)
HSV	hsv(241, 74%, 72%)
CMYK	cmyk(72.1%, 73.8%, 0%, 28.2%)
CIE-LAB	lab(30.00, 45.14, -70.12)
CIE-LCH	lch(30.00, 83.40, 302.77°)
OKLab	oklab(41.58% 0.0142 -0.2028)
OKLCH	oklch(41.58% 0.203 274)
XYZ	xyz(10.9666, 6.2355, 45.4162)
Luminance	0.0624 (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

#3330B7 #B4B730

analogous

#3071B7 #3330B7 #7630B7

triadic

#3330B7 #B73330 #30B733

tetradic

#3330B7 #B73071 #B4B730 #30B776

square

#3330B7 #B73071 #B4B730 #30B776

split-complementary

#3330B7 #B77630 #71B730

monochromatic

#181756 #252387 #3330B7 #5552D2 #8583DE

Accessibility & contrast

On white

9.34

#3330B7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#3330B7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3330B7

9.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3330B7	#FFFFFF	#000000	##FFFFFF
##3330B7	1.00	9.34	2.25	9.34
#FFFFFF	9.34	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DBB

Deuteranopia (green-blind)

#0040B5

Tritanopia (blue-blind)

#005771

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #3330b7;
/* rgb */ color: rgb(51, 48, 183);
/* oklch */ color: oklch(41.6% 0.203 274.0);

Tailwind

colors: {
  custom: {
    50: '#7f6ace',
    500: '#3330b7',
    950: '#000000',
  },
}

SCSS

$custom: #3330b7;
$custom-light: #7f6ace;
$custom-dark: #000000;

JSON

{
  "hex": "#3330b7",
  "rgb": {
    "r": 51,
    "g": 48,
    "b": 183
  },
  "hsl": {
    "h": 241.333,
    "s": 58.442,
    "l": 45.294
  },
  "oklch": {
    "l": 0.41579,
    "c": 0.20333,
    "h": 274
  },
  "luminance": 0.06237
}

Semantic roles & 50–950 ramp

primary

#3330B7

secondary

#C6C87B

accent

#E246DE

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0614

muted

#7D7A82

Preview Lab

Preview with #3330B7

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

Preview Lab → · Contrast checker → · Palette generator →