#33337B#33337B

#33337B is a dark, moderate blue. Relative luminance 0.045; OKLCH L 36.5% C 0.119 H 278.7°. Best body text is #FFFFFF at 11.05:1 contrast (WCAG AA passes).

Color values

HEX	#33337B
RGB	rgb(51, 51, 123)
HSL	hsl(240, 41%, 34%)
HSV	hsv(240, 59%, 48%)
CMYK	cmyk(58.5%, 58.5%, 0%, 51.8%)
CIE-LAB	lab(25.26, 22.58, -41.17)
CIE-LCH	lch(25.26, 46.95, 298.74°)
OKLab	oklab(36.48% 0.0181 -0.118)
OKLCH	oklch(36.48% 0.119 278.7)
XYZ	xyz(6.1231, 4.5011, 19.2812)
Luminance	0.0450 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#33337B #7B7B33

analogous

#33577B #33337B #57337B

triadic

#33337B #7B3333 #337B33

tetradic

#33337B #7B3357 #7B7B33 #337B57

square

#33337B #7B3357 #7B7B33 #337B57

split-complementary

#33337B #7B5733 #577B33

monochromatic

#0F0F24 #212150 #33337B #4545A6 #6868C0

Accessibility & contrast

On white

11.05

#33337B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#33337B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #33337B

11.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##33337B	#FFFFFF	#000000	##FFFFFF
##33337B	1.00	11.05	1.90	11.05
#FFFFFF	11.05	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F7D

Deuteranopia (green-blind)

#00397A

Tritanopia (blue-blind)

#0C4451

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #33337b;
/* rgb */ color: rgb(51, 51, 123);
/* oklch */ color: oklch(36.5% 0.119 278.7);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#33337b",
  "rgb": {
    "r": 51,
    "g": 51,
    "b": 123
  },
  "hsl": {
    "h": 240,
    "s": 41.379,
    "l": 34.118
  },
  "oklch": {
    "l": 0.36478,
    "c": 0.11936,
    "h": 278.7
  },
  "luminance": 0.04502
}

Semantic roles & 50–950 ramp

primary

#33337B

secondary

#A8A862

accent

#D157D1

background

#F7F6FA

surface

#EDEBF3

border

#C8C6CD

text

#08060F

muted

#7B7A7F

Preview Lab

Preview with #33337B

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

Preview Lab → · Contrast checker → · Palette generator →