#333CBF#333CBF

#333CBF is a dark, highly saturated blue. Relative luminance 0.077; OKLCH L 44.2% C 0.201 H 271.9°. Best body text is #FFFFFF at 8.27:1 contrast (WCAG AA passes).

Color values

HEX	#333CBF
RGB	rgb(51, 60, 191)
HSL	hsl(236, 58%, 47%)
HSV	hsv(236, 73%, 75%)
CMYK	cmyk(73.3%, 68.6%, 0%, 25.1%)
CIE-LAB	lab(33.34, 40.79, -69.35)
CIE-LCH	lch(33.34, 80.45, 300.46°)
OKLab	oklab(44.21% 0.0065 -0.2006)
OKLCH	oklch(44.21% 0.201 271.9)
XYZ	xyz(12.3819, 7.6958, 50.1130)
Luminance	0.0770 (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

#333CBF #BFB633

analogous

#3382BF #333CBF #7033BF

triadic

#333CBF #BF333C #3CBF33

tetradic

#333CBF #BF3382 #BFB633 #33BF70

square

#333CBF #BF3382 #BFB633 #33BF70

split-complementary

#333CBF #BF7033 #82BF33

monochromatic

#191E5E #262D8F #333CBF #5C63D3 #8C91E0

Accessibility & contrast

On white

8.27

#333CBF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#333CBF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #333CBF

8.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##333CBF	#FFFFFF	#000000	##FFFFFF
##333CBF	1.00	8.27	2.54	8.27
#FFFFFF	8.27	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055C3

Deuteranopia (green-blind)

#0048BD

Tritanopia (blue-blind)

#006079

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #333cbf;
/* rgb */ color: rgb(51, 60, 191);
/* oklch */ color: oklch(44.2% 0.201 271.9);

Tailwind

colors: {
  custom: {
    50: '#8072d3',
    500: '#333cbf',
    950: '#000000',
  },
}

SCSS

$custom: #333cbf;
$custom-light: #8072d3;
$custom-dark: #000000;

JSON

{
  "hex": "#333cbf",
  "rgb": {
    "r": 51,
    "g": 60,
    "b": 191
  },
  "hsl": {
    "h": 236.143,
    "s": 57.851,
    "l": 47.451
  },
  "oklch": {
    "l": 0.44212,
    "c": 0.20069,
    "h": 271.9
  },
  "luminance": 0.07697
}

Semantic roles & 50–950 ramp

primary

#333CBF

secondary

#CBC683

accent

#D747E1

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #333CBF

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

Preview Lab → · Contrast checker → · Palette generator →