#00201D
Closest named color: Rich Black (#0D1B2A). oklch(21.9% 0.038 186), rgb(0, 32, 29).
Aa
White text reads best on this color (17.15:1).
About this color
#00201D is a very dark, muted teal or cyan. In OKLCH its lightness is 22%, its chroma 0.038 and its hue 186°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.040 away. White text reads best on it, at 17.15:1.
| Hue family | Teals and cyans |
| Lightness | very dark (22%) |
| Chroma | muted (0.038) |
| Temperature | cool |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.22:1 |
| White text | 17.15:1 |
Values
| HEX | #00201D |
| RGB | rgb(0, 32, 29) |
| HSL | hsl(174, 100%, 6%) |
| OKLCH | oklch(21.9% 0.038 186) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #00201D | 17.15:1 | AAA | Lc -106.2 | Preferred for body text |
| Black text on #00201D | 1.22:1 | Fails | Lc 0.0 | Not readable |
| #00201D text on white | 17.15:1 | AAA | Lc 103.8 | Preferred for body text |
| #00201D text on black | 1.22:1 | Fails | Lc 0.0 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 950.
-
Step 50
50
#F1F7F6
oklch(97.1% 0.006 185.3)
-
Step 100
100
#E1EDEB
oklch(93.7% 0.013 185.1)
-
Step 200
200
#C8DFDB
oklch(88.5% 0.025 184.2)
-
Step 300
300
#A0CBC5
oklch(81% 0.046 185.8)
-
Step 400
400
#69B0A7
oklch(70.8% 0.073 185.4)
-
Step 500
500
#379C92
oklch(63.2% 0.093 185.9)
-
Step 600
600
#00857C
oklch(55.5% 0.097 186.5)
-
Step 700
700
#007068
oklch(49.1% 0.086 186.2)
-
Step 800
800
#005C55
oklch(42.7% 0.075 185.9)
-
Step 900
900
#0D4C46
oklch(37.7% 0.061 185.3)
-
Step 950
950 (this color)
#00201D
oklch(21.9% 0.038 186)
#00201D with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #1E1D1D | 0.042 |
| Deuteranopia (no green cones) | #191A1D | 0.038 |
| Tritanopia (no blue cones) | #00211F | 0.005 |
| Achromatopsia (no color) | #1B1B1B | 0.039 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #00201D
#00201D
oklch(21.9% 0.038 186)
- #291218
#291218
oklch(21.8% 0.039 4.1)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #00201D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.040
- Rich Navy #001219 ΔE 0.055
- Jet #212529 ΔE 0.055
- Dark #1B2431 ΔE 0.055
- Oxford Blue #1B263B ΔE 0.071
- Dark Forest Green #002D04 ΔE 0.072
- Almost Black #070D0D ΔE 0.073
- Very Dark Green #062E03 ΔE 0.076
Use #00201D in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.