#333DBC#333DBC

#333DBC is a dark, vivid blue. Relative luminance 0.077; OKLCH L 44.1% C 0.196 H 271.8°. Best body text is #FFFFFF at 8.29:1 contrast (WCAG AA passes).

Color values

HEX	#333DBC
RGB	rgb(51, 61, 188)
HSL	hsl(236, 57%, 47%)
HSV	hsv(236, 73%, 74%)
CMYK	cmyk(72.9%, 67.6%, 0%, 26.3%)
CIE-LAB	lab(33.29, 39.14, -67.67)
CIE-LCH	lch(33.29, 78.17, 300.04°)
OKLab	oklab(44.09% 0.0063 -0.1957)
OKLCH	oklch(44.09% 0.196 271.8)
XYZ	xyz(12.1080, 7.6709, 48.4097)
Luminance	0.0767 (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

#333DBC #BCB233

analogous

#3382BC #333DBC #6D33BC

triadic

#333DBC #BC333D #3DBC33

tetradic

#333DBC #BC3382 #BCB233 #33BC6D

square

#333DBC #BC3382 #BCB233 #33BC6D

split-complementary

#333DBC #BC6D33 #82BC33

monochromatic

#191E5C #262D8C #333DBC #5A63D2 #8A90DF

Accessibility & contrast

On white

8.29

#333DBC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#333DBC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #333DBC

8.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##333DBC	#FFFFFF	#000000	##FFFFFF
##333DBC	1.00	8.29	2.53	8.29
#FFFFFF	8.29	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055C0

Deuteranopia (green-blind)

#0048BA

Tritanopia (blue-blind)

#005F77

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #333dbc;
/* rgb */ color: rgb(51, 61, 188);
/* oklch */ color: oklch(44.1% 0.196 271.8);

Tailwind

colors: {
  custom: {
    50: '#7f73d1',
    500: '#333dbc',
    950: '#000000',
  },
}

SCSS

$custom: #333dbc;
$custom-light: #7f73d1;
$custom-dark: #000000;

JSON

{
  "hex": "#333dbc",
  "rgb": {
    "r": 51,
    "g": 61,
    "b": 188
  },
  "hsl": {
    "h": 235.62,
    "s": 57.322,
    "l": 46.863
  },
  "oklch": {
    "l": 0.44089,
    "c": 0.19578,
    "h": 271.8
  },
  "luminance": 0.07672
}

Semantic roles & 50–950 ramp

primary

#333DBC

secondary

#C9C481

accent

#D547E1

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #333DBC

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

Preview Lab → · Contrast checker → · Palette generator →