#333D4E#333D4E

#333D4E is a dark, muted blue. Relative luminance 0.046; OKLCH L 35.8% C 0.033 H 260.9°. Best body text is #FFFFFF at 10.95:1 contrast (WCAG AA passes).

Color values

HEX	#333D4E
RGB	rgb(51, 61, 78)
HSL	hsl(218, 21%, 25%)
HSV	hsv(218, 35%, 31%)
CMYK	cmyk(34.6%, 21.8%, 0%, 69.4%)
CIE-LAB	lab(25.54, 0.61, -11.66)
CIE-LCH	lch(25.54, 11.68, 273.00°)
OKLab	oklab(35.82% -0.0051 -0.0321)
OKLCH	oklch(35.82% 0.033 260.9)
XYZ	xyz(4.4087, 4.5912, 7.8601)
Luminance	0.0459 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#333D4E #4E4433

analogous

#334A4E #333D4E #36334E

triadic

#333D4E #4E333D #3D4E33

tetradic

#333D4E #4E334A #4E4433 #334E36

square

#333D4E #4E334A #4E4433 #334E36

split-complementary

#333D4E #4E3633 #4A4E33

monochromatic

#0C0E13 #1B2029 #333D4E #4B5A73 #637798

Accessibility & contrast

On white

10.95

#333D4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#333D4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #333D4E

10.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##333D4E	#FFFFFF	#000000	##FFFFFF
##333D4E	1.00	10.95	1.92	10.95
#FFFFFF	10.95	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#373E4F

Deuteranopia (green-blind)

#343B4E

Tritanopia (blue-blind)

#2B4143

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #333d4e;
/* rgb */ color: rgb(51, 61, 78);
/* oklch */ color: oklch(35.8% 0.033 260.9);

Tailwind

colors: {
  custom: {
    50: '#6b727f',
    500: '#333d4e',
    950: '#000000',
  },
}

SCSS

$custom: #333d4e;
$custom-light: #6b727f;
$custom-dark: #000000;

JSON

{
  "hex": "#333d4e",
  "rgb": {
    "r": 51,
    "g": 61,
    "b": 78
  },
  "hsl": {
    "h": 217.778,
    "s": 20.93,
    "l": 25.294
  },
  "oklch": {
    "l": 0.35819,
    "c": 0.03253,
    "h": 260.9
  },
  "luminance": 0.04591
}

Semantic roles & 50–950 ramp

primary

#333D4E

secondary

#7F735E

accent

#9F6ABD

background

#F6F6F7

surface

#EBECEE

border

#C6C7C9

text

#07080A

muted

#7A7B7C

Preview Lab

Preview with #333D4E

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

Preview Lab → · Contrast checker → · Palette generator →