#001C1E
Closest named color: Rich Black (#0D1B2A). oklch(20.6% 0.035 201.3), rgb(0, 28, 30).
Aa
White text reads best on this color (17.72:1).
About this color
#001C1E is a very dark, muted teal or cyan. In OKLCH its lightness is 21%, its chroma 0.035 and its hue 201°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.032 away. White text reads best on it, at 17.72:1.
| Hue family | Teals and cyans |
| Lightness | very dark (21%) |
| Chroma | muted (0.035) |
| Temperature | cool |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.18:1 |
| White text | 17.72:1 |
Values
| HEX | #001C1E |
| RGB | rgb(0, 28, 30) |
| HSL | hsl(184, 100%, 6%) |
| OKLCH | oklch(20.6% 0.035 201.3) |
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 #001C1E | 17.72:1 | AAA | Lc -106.6 | Preferred for body text |
| Black text on #001C1E | 1.18:1 | Fails | Lc 0.0 | Not readable |
| #001C1E text on white | 17.72:1 | AAA | Lc 104.3 | Preferred for body text |
| #001C1E text on black | 1.18:1 | 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
#F1F7F7
oklch(97.2% 0.006 197.1)
-
Step 100
100
#E1ECED
oklch(93.5% 0.012 203.5)
-
Step 200
200
#C8DEDF
oklch(88.5% 0.024 200.1)
-
Step 300
300
#A2C9CC
oklch(80.9% 0.042 202.2)
-
Step 400
400
#6DADB2
oklch(70.6% 0.066 202.1)
-
Step 500
500
#3F999F
oklch(63.2% 0.085 201.3)
-
Step 600
600
#0D838A
oklch(55.6% 0.092 201.6)
-
Step 700
700
#006E74
oklch(49% 0.083 201.4)
-
Step 800
800
#055A5F
oklch(42.6% 0.071 201.5)
-
Step 900
900
#144A4E
oklch(37.6% 0.055 202.2)
-
Step 950
950 (this color)
#001C1E
oklch(20.6% 0.035 201.3)
#001C1E 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) | #191A1E | 0.036 |
| Deuteranopia (no green cones) | #14171E | 0.032 |
| Tritanopia (no blue cones) | #001E1D | 0.009 |
| Achromatopsia (no color) | #181818 | 0.035 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #001C1E
#001C1E
oklch(20.6% 0.035 201.3)
- #251110
#251110
oklch(20.7% 0.034 23.5)
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 #001C1E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.032
- Rich Navy #001219 ΔE 0.039
- Almost Black #070D0D ΔE 0.059
- Dark #1B2431 ΔE 0.060
- Jet #212529 ΔE 0.063
- Oxford Blue #1B263B ΔE 0.075
- Dark Forest Green #002D04 ΔE 0.088
- Navy Blue #001146 ΔE 0.091
Use #001C1E 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.