#333CA7#333CA7

#333CA7 is a dark, vivid blue. Relative luminance 0.067; OKLCH L 42.0% C 0.169 H 272.9°. Best body text is #FFFFFF at 8.95:1 contrast (WCAG AA passes).

Color values

HEX	#333CA7
RGB	rgb(51, 60, 167)
HSL	hsl(235, 53%, 43%)
HSV	hsv(235, 69%, 65%)
CMYK	cmyk(69.5%, 64.1%, 0%, 34.5%)
CIE-LAB	lab(31.17, 32.35, -58.64)
CIE-LCH	lch(31.17, 66.98, 298.89°)
OKLab	oklab(41.97% 0.0086 -0.1693)
OKLCH	oklch(41.97% 0.169 272.9)
XYZ	xyz(9.9538, 6.7246, 37.3251)
Luminance	0.0673 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#333CA7 #A79E33

analogous

#3376A7 #333CA7 #6433A7

triadic

#333CA7 #A7333C #3CA733

tetradic

#333CA7 #A73376 #A79E33 #33A764

square

#333CA7 #A73376 #A79E33 #33A764

split-complementary

#333CA7 #A76433 #76A733

monochromatic

#161A49 #252B78 #333CA7 #4E58C9 #7D84D7

Accessibility & contrast

On white

8.95

#333CA7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#333CA7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #333CA7

8.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##333CA7	#FFFFFF	#000000	##FFFFFF
##333CA7	1.00	8.95	2.35	8.95
#FFFFFF	8.95	1.00	21.00	1.00
#000000	2.35	21.00	1.00	21.00
##FFFFFF	8.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FAA

Deuteranopia (green-blind)

#0044A5

Tritanopia (blue-blind)

#00586C

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #333ca7;
/* rgb */ color: rgb(51, 60, 167);
/* oklch */ color: oklch(42.0% 0.169 272.9);

Tailwind

colors: {
  custom: {
    50: '#7a72c2',
    500: '#333ca7',
    950: '#000000',
  },
}

SCSS

$custom: #333ca7;
$custom-light: #7a72c2;
$custom-dark: #000000;

JSON

{
  "hex": "#333ca7",
  "rgb": {
    "r": 51,
    "g": 60,
    "b": 167
  },
  "hsl": {
    "h": 235.345,
    "s": 53.211,
    "l": 42.745
  },
  "oklch": {
    "l": 0.41968,
    "c": 0.16948,
    "h": 272.9
  },
  "luminance": 0.06726
}

Semantic roles & 50–950 ramp

primary

#333CA7

secondary

#C0BA76

accent

#D14BDD

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #333CA7

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

Preview Lab → · Contrast checker → · Palette generator →