#1B1E17
Closest named color: Jet (#212529). oklch(22.9% 0.014 126.4), rgb(27, 30, 23).
Aa
White text reads best on this color (16.87:1).
About this color
#1B1E17 is a very dark close to neutral grey. In OKLCH its lightness is 23%, its chroma 0.014. It has too little chroma to lean warm or cool. The nearest named color is Jet (#212529), ΔE 0.039 away. White text reads best on it, at 16.87:1.
| Hue family | Neutrals |
| Lightness | very dark (23%) |
| Chroma | close to neutral grey (0.014) |
| Temperature | neutral |
| Nearest name | Jet (#212529) |
| Black text | 1.24:1 |
| White text | 16.87:1 |
Values
| HEX | #1B1E17 |
| RGB | rgb(27, 30, 23) |
| HSL | hsl(86, 13%, 10%) |
| OKLCH | oklch(22.9% 0.014 126.4) |
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 #1B1E17 | 16.87:1 | AAA | Lc -106.2 | Preferred for body text |
| Black text on #1B1E17 | 1.24:1 | Fails | Lc 0.0 | Not readable |
| #1B1E17 text on white | 16.87:1 | AAA | Lc 103.8 | Preferred for body text |
| #1B1E17 text on black | 1.24:1 | 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
#F5F6F4
oklch(97.2% 0.003 128.5)
-
Step 100
100
#E9EAE7
oklch(93.5% 0.004 121.6)
-
Step 200
200
#D7DAD4
oklch(88.4% 0.009 128.6)
-
Step 300
300
#BEC3B7
oklch(81% 0.017 125.3)
-
Step 400
400
#9CA492
oklch(70.7% 0.027 126.7)
-
Step 500
500
#848D78
oklch(63% 0.032 126.2)
-
Step 600
600
#6E7860
oklch(55.7% 0.038 126)
-
Step 700
700
#5C6450
oklch(49% 0.032 125.3)
-
Step 800
800
#4B5241
oklch(42.7% 0.029 125.8)
-
Step 900
900
#3E4437
oklch(37.7% 0.023 127.7)
-
Step 950
950 (this color)
#1B1E17
oklch(22.9% 0.014 126.4)
#1B1E17 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) | #1F1D17 | 0.008 |
| Deuteranopia (no green cones) | #1E1D17 | 0.006 |
| Tritanopia (no blue cones) | #1B1D1C | 0.011 |
| Achromatopsia (no color) | #1D1D1D | 0.014 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
This color is close to neutral, so it has no meaningful hue to rotate. Hue harmonies are omitted.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #1B1E17, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.039
- Rich Black #0D1B2A ΔE 0.046
- Dark #1B2431 ΔE 0.048
- Dark Brown #341C02 ΔE 0.055
- Oxford Blue #1B263B ΔE 0.067
- Rich Navy #001219 ΔE 0.070
- Dark Forest Green #002D04 ΔE 0.076
- Very Dark Green #062E03 ΔE 0.077
Use #1B1E17 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.