#333166#333166

#333166 is a dark, moderate blue. Relative luminance 0.039; OKLCH L 34.5% C 0.090 H 282.3°. Best body text is #FFFFFF at 11.85:1 contrast (WCAG AA passes).

Color values

HEX	#333166
RGB	rgb(51, 49, 102)
HSL	hsl(242, 35%, 30%)
HSV	hsv(242, 52%, 40%)
CMYK	cmyk(50%, 52%, 0%, 60%)
CIE-LAB	lab(23.20, 16.62, -31.04)
CIE-LCH	lch(23.20, 35.21, 298.18°)
OKLab	oklab(34.45% 0.0192 -0.0882)
OKLCH	oklch(34.45% 0.09 282.3)
XYZ	xyz(4.8611, 3.8595, 13.0566)
Luminance	0.0386 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#333166 #646631

analogous

#314A66 #333166 #4E3166

triadic

#333166 #663331 #316633

tetradic

#333166 #66314A #646631 #31664E

square

#333166 #66314A #646631 #31664E

split-complementary

#333166 #664E31 #4A6631

monochromatic

#0A0A15 #1E1D3D #333166 #48458F #625FB2

Accessibility & contrast

On white

11.85

#333166 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#333166 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #333166

11.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##333166	#FFFFFF	#000000	##FFFFFF
##333166	1.00	11.85	1.77	11.85
#FFFFFF	11.85	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A3968

Deuteranopia (green-blind)

#173565

Tritanopia (blue-blind)

#213C46

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #333166;
/* rgb */ color: rgb(51, 49, 102);
/* oklch */ color: oklch(34.5% 0.090 282.3);

Tailwind

colors: {
  custom: {
    50: '#6e6992',
    500: '#333166',
    950: '#000000',
  },
}

SCSS

$custom: #333166;
$custom-light: #6e6992;
$custom-dark: #000000;

JSON

{
  "hex": "#333166",
  "rgb": {
    "r": 51,
    "g": 49,
    "b": 102
  },
  "hsl": {
    "h": 242.264,
    "s": 35.099,
    "l": 29.608
  },
  "oklch": {
    "l": 0.34452,
    "c": 0.09028,
    "h": 282.3
  },
  "luminance": 0.0386
}

Semantic roles & 50–950 ramp

primary

#333166

secondary

#95975C

accent

#CB5DC7

background

#F6F6F9

surface

#ECEBF1

border

#C7C6CB

text

#07060D

muted

#7A7A7E

Preview Lab

Preview with #333166

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

Preview Lab → · Contrast checker → · Palette generator →