#041B21#041B21

#041B21 is a very dark, muted cyan. Relative luminance 0.009; OKLCH L 20.7% C 0.032 H 217.4°. Best body text is #FFFFFF at 17.74:1 contrast (WCAG AA passes).

Color values

HEX	#041B21
RGB	rgb(4, 27, 33)
HSL	hsl(192, 78%, 7%)
HSV	hsv(192, 88%, 13%)
CMYK	cmyk(87.9%, 18.2%, 0%, 87.1%)
CIE-LAB	lab(8.30, -6.43, -6.87)
CIE-LCH	lch(8.30, 9.41, 226.86°)
OKLab	oklab(20.68% -0.0251 -0.0191)
OKLCH	oklch(20.68% 0.032 217.4)
XYZ	xyz(0.7164, 0.9194, 1.5783)
Luminance	0.0092 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#041B21 #210A04

analogous

#042119 #041B21 #040D21

triadic

#041B21 #21041B #1B2104

tetradic

#041B21 #190421 #210A04 #0D2104

square

#041B21 #190421 #210A04 #0D2104

split-complementary

#041B21 #21040D #211904

monochromatic

#03161B #03161B #041B21 #0B4858 #11748E

Accessibility & contrast

On white

17.74

#041B21 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#041B21 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #041B21

17.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##041B21	#FFFFFF	#000000	##FFFFFF
##041B21	1.00	17.74	1.18	17.74
#FFFFFF	17.74	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#171A21

Deuteranopia (green-blind)

#131721

Tritanopia (blue-blind)

#001D1D

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #041b21;
/* rgb */ color: rgb(4, 27, 33);
/* oklch */ color: oklch(20.7% 0.032 217.4);

Tailwind

colors: {
  custom: {
    50: '#48575c',
    500: '#041b21',
    950: '#000000',
  },
}

SCSS

$custom: #041b21;
$custom-light: #48575c;
$custom-dark: #000000;

JSON

{
  "hex": "#041b21",
  "rgb": {
    "r": 4,
    "g": 27,
    "b": 33
  },
  "hsl": {
    "h": 192.414,
    "s": 78.378,
    "l": 7.255
  },
  "oklch": {
    "l": 0.20681,
    "c": 0.03153,
    "h": 217.4
  },
  "luminance": 0.00919
}

Semantic roles & 50–950 ramp

primary

#041B21

secondary

#642C1D

accent

#5B33F5

background

#F4F5F5

surface

#E6E9E9

border

#C2C5C5

text

#000304

muted

#777879

Preview Lab

Preview with #041B21

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

Preview Lab → · Contrast checker → · Palette generator →