#091B16
Closest named color: Rich Black (#0D1B2A). oklch(20.5% 0.026 173.4), rgb(9, 27, 22).
Aa
White text reads best on this color (17.79:1).
About this color
#091B16 is a very dark close to neutral grey. In OKLCH its lightness is 20%, its chroma 0.026. It has too little chroma to lean warm or cool. The nearest named color is Rich Black (#0D1B2A), ΔE 0.042 away. White text reads best on it, at 17.79:1.
| Hue family | Neutrals |
| Lightness | very dark (20%) |
| Chroma | close to neutral grey (0.026) |
| Temperature | neutral |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.17:1 |
| White text | 17.79:1 |
Values
| HEX | #091B16 |
| RGB | rgb(9, 27, 22) |
| HSL | hsl(163, 50%, 7%) |
| OKLCH | oklch(20.5% 0.026 173.4) |
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 #091B16 | 17.79:1 | AAA | Lc -106.7 | Preferred for body text |
| Black text on #091B16 | 1.17:1 | Fails | Lc 0.0 | Not readable |
| #091B16 text on white | 17.79:1 | AAA | Lc 104.5 | Preferred for body text |
| #091B16 text on black | 1.17:1 | 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
#F3F6F5
oklch(97.1% 0.003 174.5)
-
Step 100
100
#E4ECE9
oklch(93.6% 0.009 171.8)
-
Step 200
200
#CEDDD8
oklch(88.5% 0.017 174)
-
Step 300
300
#ADC8BF
oklch(81% 0.032 173.4)
-
Step 400
400
#81AB9E
oklch(70.7% 0.049 173.8)
-
Step 500
500
#609686
oklch(63% 0.063 173.5)
-
Step 600
600
#448170
oklch(55.7% 0.069 173.5)
-
Step 700
700
#356D5D
oklch(49.2% 0.065 172.6)
-
Step 800
800
#2D594C
oklch(42.8% 0.054 172.4)
-
Step 900
900
#294940
oklch(37.8% 0.041 174.1)
-
Step 950
950 (this color)
#091B16
oklch(20.5% 0.026 173.4)
#091B16 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) | #1A1916 | 0.027 |
| Deuteranopia (no green cones) | #171716 | 0.025 |
| Tritanopia (no blue cones) | #041B1A | 0.009 |
| Achromatopsia (no color) | #181818 | 0.027 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #091B16
#091B16
oklch(20.5% 0.026 173.4)
- #211218
#211218
oklch(20.5% 0.027 354.1)
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 #091B16, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.042
- Rich Navy #001219 ΔE 0.043
- Almost Black #070D0D ΔE 0.055
- Jet #212529 ΔE 0.063
- Dark #1B2431 ΔE 0.064
- Oxford Blue #1B263B ΔE 0.081
- Dark Forest Green #002D04 ΔE 0.081
- Dark Brown #341C02 ΔE 0.083
Use #091B16 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.