#33366B#33366B

#33366B is a dark, moderate blue. Relative luminance 0.044; OKLCH L 35.9% C 0.090 H 278.4°. Best body text is #FFFFFF at 11.17:1 contrast (WCAG AA passes).

Color values

HEX	#33366B
RGB	rgb(51, 54, 107)
HSL	hsl(237, 35%, 31%)
HSV	hsv(237, 52%, 42%)
CMYK	cmyk(52.3%, 49.5%, 0%, 58%)
CIE-LAB	lab(24.96, 14.91, -31.45)
CIE-LCH	lch(24.96, 34.80, 295.36°)
OKLab	oklab(35.89% 0.0132 -0.0894)
OKLCH	oklch(35.89% 0.09 278.4)
XYZ	xyz(5.3374, 4.4034, 14.4758)
Luminance	0.0440 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#33366B #6B6833

analogous

#33526B #33366B #4C336B

triadic

#33366B #6B3336 #366B33

tetradic

#33366B #6B3352 #6B6833 #336B4C

square

#33366B #6B3352 #6B6833 #336B4C

split-complementary

#33366B #6B4C33 #526B33

monochromatic

#0B0C18 #1F2142 #33366B #474B94 #6468B5

Accessibility & contrast

On white

11.17

#33366B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#33366B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #33366B

11.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##33366B	#FFFFFF	#000000	##FFFFFF
##33366B	1.00	11.17	1.88	11.17
#FFFFFF	11.17	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F3D6D

Deuteranopia (green-blind)

#1A396A

Tritanopia (blue-blind)

#1D414B

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #33366b;
/* rgb */ color: rgb(51, 54, 107);
/* oklch */ color: oklch(35.9% 0.090 278.4);

Tailwind

colors: {
  custom: {
    50: '#6f6c96',
    500: '#33366b',
    950: '#000000',
  },
}

SCSS

$custom: #33366b;
$custom-light: #6f6c96;
$custom-dark: #000000;

JSON

{
  "hex": "#33366b",
  "rgb": {
    "r": 51,
    "g": 54,
    "b": 107
  },
  "hsl": {
    "h": 236.786,
    "s": 35.443,
    "l": 30.98
  },
  "oklch": {
    "l": 0.35889,
    "c": 0.09036,
    "h": 278.4
  },
  "luminance": 0.04404
}

Semantic roles & 50–950 ramp

primary

#33366B

secondary

#9C995E

accent

#C65CCB

background

#F6F6F9

surface

#ECEBF2

border

#C7C6CC

text

#07070D

muted

#7A7A7E

Preview Lab

Preview with #33366B

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

Preview Lab → · Contrast checker → · Palette generator →