#333C9E#333C9E

#333C9E is a dark, vivid blue. Relative luminance 0.064; OKLCH L 41.2% C 0.157 H 273.3°. Best body text is #FFFFFF at 9.21:1 contrast (WCAG AA passes).

Color values

HEX	#333C9E
RGB	rgb(51, 60, 158)
HSL	hsl(235, 51%, 41%)
HSV	hsv(235, 68%, 62%)
CMYK	cmyk(67.7%, 62%, 0%, 38%)
CIE-LAB	lab(30.41, 29.13, -54.46)
CIE-LCH	lch(30.41, 61.76, 298.14°)
OKLab	oklab(41.17% 0.009 -0.157)
OKLCH	oklch(41.17% 0.157 273.3)
XYZ	xyz(9.1506, 6.4033, 33.0949)
Luminance	0.0640 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#333C9E #9E9533

analogous

#33719E #333C9E #5F339E

triadic

#333C9E #9E333C #3C9E33

tetradic

#333C9E #9E3371 #9E9533 #339E5F

square

#333C9E #9E3371 #9E9533 #339E5F

split-complementary

#333C9E #9E5F33 #719E33

monochromatic

#151941 #242A70 #333C9E #4A54C4 #7880D3

Accessibility & contrast

On white

9.21

#333C9E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#333C9E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #333C9E

9.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##333C9E	#FFFFFF	#000000	##FFFFFF
##333C9E	1.00	9.21	2.28	9.21
#FFFFFF	9.21	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DA1

Deuteranopia (green-blind)

#00439C

Tritanopia (blue-blind)

#005567

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #333c9e;
/* rgb */ color: rgb(51, 60, 158);
/* oklch */ color: oklch(41.2% 0.157 273.3);

Tailwind

colors: {
  custom: {
    50: '#7871bb',
    500: '#333c9e',
    950: '#000000',
  },
}

SCSS

$custom: #333c9e;
$custom-light: #7871bb;
$custom-dark: #000000;

JSON

{
  "hex": "#333c9e",
  "rgb": {
    "r": 51,
    "g": 60,
    "b": 158
  },
  "hsl": {
    "h": 234.953,
    "s": 51.196,
    "l": 40.98
  },
  "oklch": {
    "l": 0.41169,
    "c": 0.15724,
    "h": 273.3
  },
  "luminance": 0.06404
}

Semantic roles & 50–950 ramp

primary

#333C9E

secondary

#BCB671

accent

#CF4DDB

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #333C9E

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

Preview Lab → · Contrast checker → · Palette generator →