#333DBF#333DBF

#333DBF is a dark, vivid blue. Relative luminance 0.078; OKLCH L 44.4% C 0.200 H 271.7°. Best body text is #FFFFFF at 8.20:1 contrast (WCAG AA passes).

Color values

HEX	#333DBF
RGB	rgb(51, 61, 191)
HSL	hsl(236, 58%, 47%)
HSV	hsv(236, 73%, 75%)
CMYK	cmyk(73.3%, 68.1%, 0%, 25.1%)
CIE-LAB	lab(33.57, 40.18, -68.98)
CIE-LCH	lch(33.57, 79.82, 300.22°)
OKLab	oklab(44.38% 0.006 -0.1995)
OKLCH	oklch(44.38% 0.2 271.7)
XYZ	xyz(12.4348, 7.8016, 50.1306)
Luminance	0.0780 (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

#333DBF #BFB533

analogous

#3383BF #333DBF #6F33BF

triadic

#333DBF #BF333D #3DBF33

tetradic

#333DBF #BF3383 #BFB533 #33BF6F

square

#333DBF #BF3383 #BFB533 #33BF6F

split-complementary

#333DBF #BF6F33 #83BF33

monochromatic

#191E5E #262E8F #333DBF #5C64D3 #8C92E0

Accessibility & contrast

On white

8.20

#333DBF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#333DBF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #333DBF

8.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##333DBF	#FFFFFF	#000000	##FFFFFF
##333DBF	1.00	8.20	2.56	8.20
#FFFFFF	8.20	1.00	21.00	1.00
#000000	2.56	21.00	1.00	21.00
##FFFFFF	8.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056C3

Deuteranopia (green-blind)

#0048BD

Tritanopia (blue-blind)

#006079

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #333dbf;
/* rgb */ color: rgb(51, 61, 191);
/* oklch */ color: oklch(44.4% 0.200 271.7);

Tailwind

colors: {
  custom: {
    50: '#8073d3',
    500: '#333dbf',
    950: '#000000',
  },
}

SCSS

$custom: #333dbf;
$custom-light: #8073d3;
$custom-dark: #000000;

JSON

{
  "hex": "#333dbf",
  "rgb": {
    "r": 51,
    "g": 61,
    "b": 191
  },
  "hsl": {
    "h": 235.714,
    "s": 57.851,
    "l": 47.451
  },
  "oklch": {
    "l": 0.44375,
    "c": 0.19959,
    "h": 271.7
  },
  "luminance": 0.07803
}

Semantic roles & 50–950 ramp

primary

#333DBF

secondary

#CBC583

accent

#D647E1

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #333DBF

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

Preview Lab → · Contrast checker → · Palette generator →