#333CBE#333CBE

#333CBE is a dark, vivid blue. Relative luminance 0.077; OKLCH L 44.1% C 0.199 H 271.9°. Best body text is #FFFFFF at 8.30:1 contrast (WCAG AA passes).

Color values

HEX	#333CBE
RGB	rgb(51, 60, 190)
HSL	hsl(236, 58%, 47%)
HSV	hsv(236, 73%, 75%)
CMYK	cmyk(73.2%, 68.4%, 0%, 25.5%)
CIE-LAB	lab(33.25, 40.44, -68.91)
CIE-LCH	lch(33.25, 79.90, 300.41°)
OKLab	oklab(44.12% 0.0066 -0.1993)
OKLCH	oklch(44.12% 0.199 271.9)
XYZ	xyz(12.2722, 7.6520, 49.5354)
Luminance	0.0765 (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

#333CBE #BEB533

analogous

#3382BE #333CBE #7033BE

triadic

#333CBE #BE333C #3CBE33

tetradic

#333CBE #BE3382 #BEB533 #33BE70

square

#333CBE #BE3382 #BEB533 #33BE70

split-complementary

#333CBE #BE7033 #82BE33

monochromatic

#191E5E #262D8E #333CBE #5B63D3 #8B91E0

Accessibility & contrast

On white

8.30

#333CBE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#333CBE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #333CBE

8.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##333CBE	#FFFFFF	#000000	##FFFFFF
##333CBE	1.00	8.30	2.53	8.30
#FFFFFF	8.30	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055C2

Deuteranopia (green-blind)

#0048BC

Tritanopia (blue-blind)

#005F78

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #333cbe;
/* rgb */ color: rgb(51, 60, 190);
/* oklch */ color: oklch(44.1% 0.199 271.9);

Tailwind

colors: {
  custom: {
    50: '#7f72d3',
    500: '#333cbe',
    950: '#000000',
  },
}

SCSS

$custom: #333cbe;
$custom-light: #7f72d3;
$custom-dark: #000000;

JSON

{
  "hex": "#333cbe",
  "rgb": {
    "r": 51,
    "g": 60,
    "b": 190
  },
  "hsl": {
    "h": 236.115,
    "s": 57.676,
    "l": 47.255
  },
  "oklch": {
    "l": 0.44116,
    "c": 0.19943,
    "h": 271.9
  },
  "luminance": 0.07653
}

Semantic roles & 50–950 ramp

primary

#333CBE

secondary

#CAC683

accent

#D747E1

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #333CBE

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

Preview Lab → · Contrast checker → · Palette generator →