#333C4E#333C4E

#333C4E is a dark, muted blue. Relative luminance 0.045; OKLCH L 35.6% C 0.034 H 264.0°. Best body text is #FFFFFF at 11.07:1 contrast (WCAG AA passes).

Color values

HEX	#333C4E
RGB	rgb(51, 60, 78)
HSL	hsl(220, 21%, 25%)
HSV	hsv(220, 35%, 31%)
CMYK	cmyk(34.6%, 23.1%, 0%, 69.4%)
CIE-LAB	lab(25.22, 1.28, -12.15)
CIE-LCH	lch(25.22, 12.22, 276.00°)
OKLab	oklab(35.57% -0.0035 -0.0335)
OKLCH	oklch(35.57% 0.034 264)
XYZ	xyz(4.3558, 4.4854, 7.8425)
Luminance	0.0449 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#333C4E #4E4533

analogous

#33494E #333C4E #37334E

triadic

#333C4E #4E333C #3C4E33

tetradic

#333C4E #4E3349 #4E4533 #334E37

square

#333C4E #4E3349 #4E4533 #334E37

split-complementary

#333C4E #4E3733 #494E33

monochromatic

#0C0E13 #1B2029 #333C4E #4B5873 #637598

Accessibility & contrast

On white

11.07

#333C4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#333C4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #333C4E

11.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##333C4E	#FFFFFF	#000000	##FFFFFF
##333C4E	1.00	11.07	1.90	11.07
#FFFFFF	11.07	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#363D4F

Deuteranopia (green-blind)

#333B4E

Tritanopia (blue-blind)

#2B4042

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #333c4e;
/* rgb */ color: rgb(51, 60, 78);
/* oklch */ color: oklch(35.6% 0.034 264.0);

Tailwind

colors: {
  custom: {
    50: '#6b717f',
    500: '#333c4e',
    950: '#000000',
  },
}

SCSS

$custom: #333c4e;
$custom-light: #6b717f;
$custom-dark: #000000;

JSON

{
  "hex": "#333c4e",
  "rgb": {
    "r": 51,
    "g": 60,
    "b": 78
  },
  "hsl": {
    "h": 220,
    "s": 20.93,
    "l": 25.294
  },
  "oklch": {
    "l": 0.35568,
    "c": 0.03369,
    "h": 264
  },
  "luminance": 0.04486
}

Semantic roles & 50–950 ramp

primary

#333C4E

secondary

#7F745E

accent

#A26ABD

background

#F6F6F7

surface

#EBECEE

border

#C6C7C9

text

#07070A

muted

#7A7A7C

Preview Lab

Preview with #333C4E

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

Preview Lab → · Contrast checker → · Palette generator →