#333F4E#333F4E

#333F4E is a dark, muted cyan. Relative luminance 0.048; OKLCH L 36.3% C 0.030 H 254.2°. Best body text is #FFFFFF at 10.70:1 contrast (WCAG AA passes).

Color values

HEX	#333F4E
RGB	rgb(51, 63, 78)
HSL	hsl(213, 21%, 25%)
HSV	hsv(213, 35%, 31%)
CMYK	cmyk(34.6%, 19.2%, 0%, 69.4%)
CIE-LAB	lab(26.18, -0.71, -10.68)
CIE-LCH	lch(26.18, 10.70, 266.22°)
OKLab	oklab(36.33% -0.0083 -0.0293)
OKLCH	oklch(36.33% 0.031 254.2)
XYZ	xyz(4.5175, 4.8087, 7.8964)
Luminance	0.0481 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#333F4E #4E4233

analogous

#334C4E #333F4E #34334E

triadic

#333F4E #4E333F #3F4E33

tetradic

#333F4E #4E334C #4E4233 #334E34

square

#333F4E #4E334C #4E4233 #334E34

split-complementary

#333F4E #4E3433 #4C4E33

monochromatic

#0C0F13 #1B2129 #333F4E #4B5D73 #637B98

Accessibility & contrast

On white

10.70

#333F4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#333F4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #333F4E

10.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##333F4E	#FFFFFF	#000000	##FFFFFF
##333F4E	1.00	10.70	1.96	10.70
#FFFFFF	10.70	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A3F4F

Deuteranopia (green-blind)

#373D4E

Tritanopia (blue-blind)

#2B4244

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #333f4e;
/* rgb */ color: rgb(51, 63, 78);
/* oklch */ color: oklch(36.3% 0.030 254.2);

Tailwind

colors: {
  custom: {
    50: '#6b747f',
    500: '#333f4e',
    950: '#000000',
  },
}

SCSS

$custom: #333f4e;
$custom-light: #6b747f;
$custom-dark: #000000;

JSON

{
  "hex": "#333f4e",
  "rgb": {
    "r": 51,
    "g": 63,
    "b": 78
  },
  "hsl": {
    "h": 213.333,
    "s": 20.93,
    "l": 25.294
  },
  "oklch": {
    "l": 0.36326,
    "c": 0.0305,
    "h": 254.2
  },
  "luminance": 0.04809
}

Semantic roles & 50–950 ramp

primary

#333F4E

secondary

#7F705E

accent

#996ABD

background

#F6F7F7

surface

#EBEDEE

border

#C6C8C9

text

#07080A

muted

#7A7B7C

Preview Lab

Preview with #333F4E

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

Preview Lab → · Contrast checker → · Palette generator →