#333BBE#333BBE

#333BBE is a dark, highly saturated blue. Relative luminance 0.075; OKLCH L 44.0% C 0.201 H 272.1°. Best body text is #FFFFFF at 8.37:1 contrast (WCAG AA passes).

Color values

HEX	#333BBE
RGB	rgb(51, 59, 190)
HSL	hsl(237, 58%, 47%)
HSV	hsv(237, 73%, 75%)
CMYK	cmyk(73.2%, 68.9%, 0%, 25.5%)
CIE-LAB	lab(33.02, 41.05, -69.28)
CIE-LCH	lch(33.02, 80.53, 300.65°)
OKLab	oklab(43.95% 0.0072 -0.2004)
OKLCH	oklch(43.95% 0.201 272.1)
XYZ	xyz(12.2203, 7.5482, 49.5181)
Luminance	0.0755 (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

#333BBE #BEB633

analogous

#3380BE #333BBE #7133BE

triadic

#333BBE #BE333B #3BBE33

tetradic

#333BBE #BE3380 #BEB633 #33BE71

square

#333BBE #BE3380 #BEB633 #33BE71

split-complementary

#333BBE #BE7133 #80BE33

monochromatic

#191D5E #262C8E #333BBE #5B62D3 #8B90E0

Accessibility & contrast

On white

8.37

#333BBE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#333BBE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #333BBE

8.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##333BBE	#FFFFFF	#000000	##FFFFFF
##333BBE	1.00	8.37	2.51	8.37
#FFFFFF	8.37	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054C2

Deuteranopia (green-blind)

#0047BC

Tritanopia (blue-blind)

#005F78

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #333bbe;
/* rgb */ color: rgb(51, 59, 190);
/* oklch */ color: oklch(44.0% 0.201 272.1);

Tailwind

colors: {
  custom: {
    50: '#7f71d3',
    500: '#333bbe',
    950: '#000000',
  },
}

SCSS

$custom: #333bbe;
$custom-light: #7f71d3;
$custom-dark: #000000;

JSON

{
  "hex": "#333bbe",
  "rgb": {
    "r": 51,
    "g": 59,
    "b": 190
  },
  "hsl": {
    "h": 236.547,
    "s": 57.676,
    "l": 47.255
  },
  "oklch": {
    "l": 0.43954,
    "c": 0.20052,
    "h": 272.1
  },
  "luminance": 0.07549
}

Semantic roles & 50–950 ramp

primary

#333BBE

secondary

#CAC683

accent

#D847E1

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #333BBE

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

Preview Lab → · Contrast checker → · Palette generator →