#333DBE#333DBE

#333DBE is a dark, vivid blue. Relative luminance 0.078; OKLCH L 44.3% C 0.198 H 271.7°. Best body text is #FFFFFF at 8.23:1 contrast (WCAG AA passes).

Color values

HEX	#333DBE
RGB	rgb(51, 61, 190)
HSL	hsl(236, 58%, 47%)
HSV	hsv(236, 73%, 75%)
CMYK	cmyk(73.2%, 67.9%, 0%, 25.5%)
CIE-LAB	lab(33.47, 39.83, -68.54)
CIE-LCH	lch(33.47, 79.27, 300.16°)
OKLab	oklab(44.28% 0.0061 -0.1982)
OKLCH	oklch(44.28% 0.198 271.7)
XYZ	xyz(12.3251, 7.7577, 49.5531)
Luminance	0.0776 (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

#333DBE #BEB433

analogous

#3383BE #333DBE #6E33BE

triadic

#333DBE #BE333D #3DBE33

tetradic

#333DBE #BE3383 #BEB433 #33BE6E

square

#333DBE #BE3383 #BEB433 #33BE6E

split-complementary

#333DBE #BE6E33 #83BE33

monochromatic

#191E5E #262E8E #333DBE #5B64D3 #8B92E0

Accessibility & contrast

On white

8.23

#333DBE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#333DBE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #333DBE

8.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##333DBE	#FFFFFF	#000000	##FFFFFF
##333DBE	1.00	8.23	2.55	8.23
#FFFFFF	8.23	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055C2

Deuteranopia (green-blind)

#0048BC

Tritanopia (blue-blind)

#006078

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #333dbe;
/* rgb */ color: rgb(51, 61, 190);
/* oklch */ color: oklch(44.3% 0.198 271.7);

Tailwind

colors: {
  custom: {
    50: '#7f73d3',
    500: '#333dbe',
    950: '#000000',
  },
}

SCSS

$custom: #333dbe;
$custom-light: #7f73d3;
$custom-dark: #000000;

JSON

{
  "hex": "#333dbe",
  "rgb": {
    "r": 51,
    "g": 61,
    "b": 190
  },
  "hsl": {
    "h": 235.683,
    "s": 57.676,
    "l": 47.255
  },
  "oklch": {
    "l": 0.44279,
    "c": 0.19832,
    "h": 271.7
  },
  "luminance": 0.07759
}

Semantic roles & 50–950 ramp

primary

#333DBE

secondary

#CAC583

accent

#D647E1

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #333DBE

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

Preview Lab → · Contrast checker → · Palette generator →