#333CA6#333CA6

#333CA6 is a dark, vivid blue. Relative luminance 0.067; OKLCH L 41.9% C 0.168 H 272.9°. Best body text is #FFFFFF at 8.98:1 contrast (WCAG AA passes).

Color values

HEX	#333CA6
RGB	rgb(51, 60, 166)
HSL	hsl(235, 53%, 43%)
HSV	hsv(235, 69%, 65%)
CMYK	cmyk(69.3%, 63.9%, 0%, 34.9%)
CIE-LAB	lab(31.09, 32.00, -58.18)
CIE-LCH	lch(31.09, 66.40, 298.81°)
OKLab	oklab(41.88% 0.0087 -0.1679)
OKLCH	oklch(41.88% 0.168 272.9)
XYZ	xyz(9.8617, 6.6878, 36.8402)
Luminance	0.0669 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#333CA6 #A69D33

analogous

#3376A6 #333CA6 #6333A6

triadic

#333CA6 #A6333C #3CA633

tetradic

#333CA6 #A63376 #A69D33 #33A663

square

#333CA6 #A63376 #A69D33 #33A663

split-complementary

#333CA6 #A66333 #76A633

monochromatic

#161A48 #252B77 #333CA6 #4E57C9 #7C84D7

Accessibility & contrast

On white

8.98

#333CA6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.34

#333CA6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #333CA6

8.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##333CA6	#FFFFFF	#000000	##FFFFFF
##333CA6	1.00	8.98	2.34	8.98
#FFFFFF	8.98	1.00	21.00	1.00
#000000	2.34	21.00	1.00	21.00
##FFFFFF	8.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EA9

Deuteranopia (green-blind)

#0044A4

Tritanopia (blue-blind)

#00576B

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #333ca6;
/* rgb */ color: rgb(51, 60, 166);
/* oklch */ color: oklch(41.9% 0.168 272.9);

Tailwind

colors: {
  custom: {
    50: '#7a72c1',
    500: '#333ca6',
    950: '#000000',
  },
}

SCSS

$custom: #333ca6;
$custom-light: #7a72c1;
$custom-dark: #000000;

JSON

{
  "hex": "#333ca6",
  "rgb": {
    "r": 51,
    "g": 60,
    "b": 166
  },
  "hsl": {
    "h": 235.304,
    "s": 52.995,
    "l": 42.549
  },
  "oklch": {
    "l": 0.41878,
    "c": 0.16813,
    "h": 272.9
  },
  "luminance": 0.06689
}

Semantic roles & 50–950 ramp

primary

#333CA6

secondary

#C0BA75

accent

#D14BDC

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #333CA6

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

Preview Lab → · Contrast checker → · Palette generator →