#333ABC#333ABC

#333ABC is a dark, vivid blue. Relative luminance 0.074; OKLCH L 43.6% C 0.199 H 272.3°. Best body text is #FFFFFF at 8.49:1 contrast (WCAG AA passes).

Color values

HEX	#333ABC
RGB	rgb(51, 58, 188)
HSL	hsl(237, 57%, 47%)
HSV	hsv(237, 73%, 74%)
CMYK	cmyk(72.9%, 69.1%, 0%, 26.3%)
CIE-LAB	lab(32.61, 40.97, -68.78)
CIE-LCH	lch(32.61, 80.06, 300.78°)
OKLab	oklab(43.6% 0.008 -0.1989)
OKLCH	oklch(43.6% 0.199 272.3)
XYZ	xyz(11.9523, 7.3595, 48.3578)
Luminance	0.0736 (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

#333ABC #BCB533

analogous

#337FBC #333ABC #7033BC

triadic

#333ABC #BC333A #3ABC33

tetradic

#333ABC #BC337F #BCB533 #33BC70

square

#333ABC #BC337F #BCB533 #33BC70

split-complementary

#333ABC #BC7033 #7FBC33

monochromatic

#191C5C #262B8C #333ABC #5A60D2 #8A8EDF

Accessibility & contrast

On white

8.49

#333ABC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#333ABC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #333ABC

8.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##333ABC	#FFFFFF	#000000	##FFFFFF
##333ABC	1.00	8.49	2.47	8.49
#FFFFFF	8.49	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053C0

Deuteranopia (green-blind)

#0046BA

Tritanopia (blue-blind)

#005E76

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #333abc;
/* rgb */ color: rgb(51, 58, 188);
/* oklch */ color: oklch(43.6% 0.199 272.3);

Tailwind

colors: {
  custom: {
    50: '#7f71d1',
    500: '#333abc',
    950: '#000000',
  },
}

SCSS

$custom: #333abc;
$custom-light: #7f71d1;
$custom-dark: #000000;

JSON

{
  "hex": "#333abc",
  "rgb": {
    "r": 51,
    "g": 58,
    "b": 188
  },
  "hsl": {
    "h": 236.934,
    "s": 57.322,
    "l": 46.863
  },
  "oklch": {
    "l": 0.43599,
    "c": 0.19909,
    "h": 272.3
  },
  "luminance": 0.07361
}

Semantic roles & 50–950 ramp

primary

#333ABC

secondary

#C9C681

accent

#D947E1

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #333ABC

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

Preview Lab → · Contrast checker → · Palette generator →