#333DAC#333DAC

#333DAC is a dark, vivid blue. Relative luminance 0.070; OKLCH L 42.6% C 0.175 H 272.5°. Best body text is #FFFFFF at 8.74:1 contrast (WCAG AA passes).

Color values

HEX	#333DAC
RGB	rgb(51, 61, 172)
HSL	hsl(235, 54%, 44%)
HSV	hsv(235, 70%, 67%)
CMYK	cmyk(70.3%, 64.5%, 0%, 32.5%)
CIE-LAB	lab(31.85, 33.50, -60.53)
CIE-LCH	lch(31.85, 69.18, 298.96°)
OKLab	oklab(42.6% 0.0076 -0.1748)
OKLCH	oklch(42.6% 0.175 272.5)
XYZ	xyz(10.4779, 7.0188, 39.8243)
Luminance	0.0702 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.95

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#333DAC #ACA233

analogous

#3379AC #333DAC #6533AC

triadic

#333DAC #AC333D #3DAC33

tetradic

#333DAC #AC3379 #ACA233 #33AC65

square

#333DAC #AC3379 #ACA233 #33AC65

split-complementary

#333DAC #AC6533 #79AC33

monochromatic

#171C4E #252C7D #333DAC #515BCB #8087D9

Accessibility & contrast

On white

8.74

#333DAC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#333DAC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #333DAC

8.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##333DAC	#FFFFFF	#000000	##FFFFFF
##333DAC	1.00	8.74	2.40	8.74
#FFFFFF	8.74	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051B0

Deuteranopia (green-blind)

#0045AA

Tritanopia (blue-blind)

#005A6F

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #333dac;
/* rgb */ color: rgb(51, 61, 172);
/* oklch */ color: oklch(42.6% 0.175 272.5);

Tailwind

colors: {
  custom: {
    50: '#7b72c6',
    500: '#333dac',
    950: '#000000',
  },
}

SCSS

$custom: #333dac;
$custom-light: #7b72c6;
$custom-dark: #000000;

JSON

{
  "hex": "#333dac",
  "rgb": {
    "r": 51,
    "g": 61,
    "b": 172
  },
  "hsl": {
    "h": 235.041,
    "s": 54.26,
    "l": 43.725
  },
  "oklch": {
    "l": 0.42599,
    "c": 0.17495,
    "h": 272.5
  },
  "luminance": 0.0702
}

Semantic roles & 50–950 ramp

primary

#333DAC

secondary

#C2BC78

accent

#D14ADE

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #333DAC

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

Preview Lab → · Contrast checker → · Palette generator →