#33405B#33405B

#33405B is a dark, muted blue. Relative luminance 0.051; OKLCH L 37.2% C 0.050 H 264.3°. Best body text is #FFFFFF at 10.37:1 contrast (WCAG AA passes).

Color values

HEX	#33405B
RGB	rgb(51, 64, 91)
HSL	hsl(221, 28%, 28%)
HSV	hsv(221, 44%, 36%)
CMYK	cmyk(44%, 29.7%, 0%, 64.3%)
CIE-LAB	lab(27.09, 2.69, -17.76)
CIE-LCH	lch(27.09, 17.96, 278.61°)
OKLab	oklab(37.23% -0.0049 -0.0495)
OKLCH	oklch(37.23% 0.05 264.3)
XYZ	xyz(5.0864, 5.1257, 10.6168)
Luminance	0.0513 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#33405B #5B4E33

analogous

#33545B #33405B #3A335B

triadic

#33405B #5B3340 #405B33

tetradic

#33405B #5B3354 #5B4E33 #335B3A

square

#33405B #5B3354 #5B4E33 #335B3A

split-complementary

#33405B #5B3A33 #545B33

monochromatic

#0B0E14 #1D2434 #33405B #495C82 #6278A7

Accessibility & contrast

On white

10.37

#33405B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#33405B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #33405B

10.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##33405B	#FFFFFF	#000000	##FFFFFF
##33405B	1.00	10.37	2.03	10.37
#FFFFFF	10.37	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#37425C

Deuteranopia (green-blind)

#323E5A

Tritanopia (blue-blind)

#254649

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #33405b;
/* rgb */ color: rgb(51, 64, 91);
/* oklch */ color: oklch(37.2% 0.050 264.3);

Tailwind

colors: {
  custom: {
    50: '#6c7489',
    500: '#33405b',
    950: '#000000',
  },
}

SCSS

$custom: #33405b;
$custom-light: #6c7489;
$custom-dark: #000000;

JSON

{
  "hex": "#33405b",
  "rgb": {
    "r": 51,
    "g": 64,
    "b": 91
  },
  "hsl": {
    "h": 220.5,
    "s": 28.169,
    "l": 27.843
  },
  "oklch": {
    "l": 0.3723,
    "c": 0.04975,
    "h": 264.3
  },
  "luminance": 0.05126
}

Semantic roles & 50–950 ramp

primary

#33405B

secondary

#8C7D5E

accent

#A563C4

background

#F6F7F8

surface

#EBEDF0

border

#C6C8CB

text

#07080B

muted

#7A7B7C

Preview Lab

Preview with #33405B

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

Preview Lab → · Contrast checker → · Palette generator →