#333C4F#333C4F

#333C4F is a dark, muted blue. Relative luminance 0.045; OKLCH L 35.6% C 0.035 H 264.9°. Best body text is #FFFFFF at 11.05:1 contrast (WCAG AA passes).

Color values

HEX	#333C4F
RGB	rgb(51, 60, 79)
HSL	hsl(221, 22%, 25%)
HSV	hsv(221, 35%, 31%)
CMYK	cmyk(35.4%, 24.1%, 0%, 69%)
CIE-LAB	lab(25.26, 1.58, -12.74)
CIE-LCH	lch(25.26, 12.84, 277.07°)
OKLab	oklab(35.62% -0.0031 -0.0352)
OKLCH	oklch(35.62% 0.035 264.9)
XYZ	xyz(4.3920, 4.4999, 8.0328)
Luminance	0.0450 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#333C4F #4F4633

analogous

#334A4F #333C4F #38334F

triadic

#333C4F #4F333C #3C4F33

tetradic

#333C4F #4F334A #4F4633 #334F38

square

#333C4F #4F334A #4F4633 #334F38

split-complementary

#333C4F #4F3833 #4A4F33

monochromatic

#0C0E13 #1B202A #333C4F #4B5874 #637499

Accessibility & contrast

On white

11.05

#333C4F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#333C4F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #333C4F

11.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##333C4F	#FFFFFF	#000000	##FFFFFF
##333C4F	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)

#363D50

Deuteranopia (green-blind)

#333B4F

Tritanopia (blue-blind)

#2B4042

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #333c4f;
/* rgb */ color: rgb(51, 60, 79);
/* oklch */ color: oklch(35.6% 0.035 264.9);

Tailwind

colors: {
  custom: {
    50: '#6b7180',
    500: '#333c4f',
    950: '#000000',
  },
}

SCSS

$custom: #333c4f;
$custom-light: #6b7180;
$custom-dark: #000000;

JSON

{
  "hex": "#333c4f",
  "rgb": {
    "r": 51,
    "g": 60,
    "b": 79
  },
  "hsl": {
    "h": 220.714,
    "s": 21.538,
    "l": 25.49
  },
  "oklch": {
    "l": 0.35617,
    "c": 0.03532,
    "h": 264.9
  },
  "luminance": 0.045
}

Semantic roles & 50–950 ramp

primary

#333C4F

secondary

#80755E

accent

#A36ABE

background

#F6F6F7

surface

#EBECEE

border

#C6C7C9

text

#07070A

muted

#7A7A7C

Preview Lab

Preview with #333C4F

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

Preview Lab → · Contrast checker → · Palette generator →