#33337C#33337C

#33337C is a dark, vivid blue. Relative luminance 0.045; OKLCH L 36.6% C 0.121 H 278.6°. Best body text is #FFFFFF at 11.02:1 contrast (WCAG AA passes).

Color values

HEX	#33337C
RGB	rgb(51, 51, 124)
HSL	hsl(240, 42%, 34%)
HSV	hsv(240, 59%, 49%)
CMYK	cmyk(58.9%, 58.9%, 0%, 51.4%)
CIE-LAB	lab(25.34, 22.93, -41.67)
CIE-LCH	lch(25.34, 47.57, 298.82°)
OKLab	oklab(36.56% 0.0181 -0.1195)
OKLCH	oklch(36.56% 0.121 278.6)
XYZ	xyz(6.1860, 4.5263, 19.6126)
Luminance	0.0453 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#33337C #7C7C33

analogous

#33587C #33337C #58337C

triadic

#33337C #7C3333 #337C33

tetradic

#33337C #7C3358 #7C7C33 #337C58

square

#33337C #7C3358 #7C7C33 #337C58

split-complementary

#33337C #7C5833 #587C33

monochromatic

#0F0F25 #212151 #33337C #4545A7 #6868C1

Accessibility & contrast

On white

11.02

#33337C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#33337C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #33337C

11.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##33337C	#FFFFFF	#000000	##FFFFFF
##33337C	1.00	11.02	1.91	11.02
#FFFFFF	11.02	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	11.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F7E

Deuteranopia (green-blind)

#00397A

Tritanopia (blue-blind)

#0A4452

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #33337c;
/* rgb */ color: rgb(51, 51, 124);
/* oklch */ color: oklch(36.6% 0.121 278.6);

Tailwind

colors: {
  custom: {
    50: '#726aa2',
    500: '#33337c',
    950: '#000000',
  },
}

SCSS

$custom: #33337c;
$custom-light: #726aa2;
$custom-dark: #000000;

JSON

{
  "hex": "#33337c",
  "rgb": {
    "r": 51,
    "g": 51,
    "b": 124
  },
  "hsl": {
    "h": 240,
    "s": 41.714,
    "l": 34.314
  },
  "oklch": {
    "l": 0.36559,
    "c": 0.12084,
    "h": 278.6
  },
  "luminance": 0.04527
}

Semantic roles & 50–950 ramp

primary

#33337C

secondary

#A9A962

accent

#D256D2

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#08060F

muted

#7B7A7F

Preview Lab

Preview with #33337C

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

Preview Lab → · Contrast checker → · Palette generator →