#001C19
Closest named color: Rich Navy (#001219). oklch(20.4% 0.036 185.2), rgb(0, 28, 25).
Aa
White text reads best on this color (17.79:1).
About this color
#001C19 is a very dark, muted teal or cyan. In OKLCH its lightness is 20%, its chroma 0.036 and its hue 185°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Navy (#001219), ΔE 0.041 away. White text reads best on it, at 17.79:1.
| Hue family | Teals and cyans |
| Lightness | very dark (20%) |
| Chroma | muted (0.036) |
| Temperature | cool |
| Nearest name | Rich Navy (#001219) |
| Black text | 1.18:1 |
| White text | 17.79:1 |
Values
| HEX | #001C19 |
| RGB | rgb(0, 28, 25) |
| HSL | hsl(174, 100%, 5%) |
| OKLCH | oklch(20.4% 0.036 185.2) |
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 #001C19 | 17.79:1 | AAA | Lc -106.6 | Preferred for body text |
| Black text on #001C19 | 1.18:1 | Fails | Lc 0.0 | Not readable |
| #001C19 text on white | 17.79:1 | AAA | Lc 104.4 | Preferred for body text |
| #001C19 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
#F1F7F6
oklch(97.1% 0.006 185.3)
-
Step 100
100
#E1EDEB
oklch(93.7% 0.013 185.1)
-
Step 200
200
#C9DEDB
oklch(88.4% 0.023 186.4)
-
Step 300
300
#A3CAC4
oklch(80.9% 0.042 184.9)
-
Step 400
400
#6EAFA6
oklch(70.8% 0.068 184.7)
-
Step 500
500
#419B90
oklch(63.2% 0.087 184.4)
-
Step 600
600
#12857B
oklch(55.6% 0.094 185.4)
-
Step 700
700
#007067
oklch(49% 0.086 185.2)
-
Step 800
800
#085C54
oklch(42.8% 0.073 184.4)
-
Step 900
900
#154B46
oklch(37.6% 0.056 186.3)
-
Step 950
950 (this color)
#001C19
oklch(20.4% 0.036 185.2)
#001C19 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) | #1A1A19 | 0.038 |
| Deuteranopia (no green cones) | #161619 | 0.037 |
| Tritanopia (no blue cones) | #001D1B | 0.005 |
| Achromatopsia (no color) | #181818 | 0.036 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #001C19
#001C19
oklch(20.4% 0.036 185.2)
- #240F15
#240F15
oklch(20.2% 0.036 2.6)
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 #001C19, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Navy #001219 ΔE 0.041
- Rich Black #0D1B2A ΔE 0.041
- Almost Black #070D0D ΔE 0.058
- Dark #1B2431 ΔE 0.066
- Jet #212529 ΔE 0.067
- Dark Forest Green #002D04 ΔE 0.082
- Oxford Blue #1B263B ΔE 0.082
- Very Dark Green #062E03 ΔE 0.086
Use #001C19 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.