#091F1E
Closest named color: Rich Black (#0D1B2A). oklch(22.1% 0.028 191.3), rgb(9, 31, 30).
Aa
White text reads best on this color (17.12:1).
About this color
#091F1E is a very dark close to neutral grey. In OKLCH its lightness is 22%, its chroma 0.028. It has too little chroma to lean warm or cool. The nearest named color is Rich Black (#0D1B2A), ΔE 0.033 away. White text reads best on it, at 17.12:1.
| Hue family | Neutrals |
| Lightness | very dark (22%) |
| Chroma | close to neutral grey (0.028) |
| Temperature | neutral |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.22:1 |
| White text | 17.12:1 |
Values
| HEX | #091F1E |
| RGB | rgb(9, 31, 30) |
| HSL | hsl(177, 55%, 8%) |
| OKLCH | oklch(22.1% 0.028 191.3) |
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 #091F1E | 17.12:1 | AAA | Lc -106.3 | Preferred for body text |
| Black text on #091F1E | 1.22:1 | Fails | Lc 0.0 | Not readable |
| #091F1E text on white | 17.12:1 | AAA | Lc 103.9 | Preferred for body text |
| #091F1E 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
#F2F6F6
oklch(97% 0.004 197.1)
-
Step 100
100
#E3ECEB
oklch(93.6% 0.01 189.1)
-
Step 200
200
#CCDDDC
oklch(88.4% 0.018 192.6)
-
Step 300
300
#A9C8C6
oklch(80.9% 0.033 191.7)
-
Step 400
400
#7AACA9
oklch(70.8% 0.053 191.3)
-
Step 500
500
#559793
oklch(63.1% 0.068 190.5)
-
Step 600
600
#37817E
oklch(55.6% 0.073 191.6)
-
Step 700
700
#286D6A
oklch(49.1% 0.068 191.2)
-
Step 800
800
#235957
oklch(42.7% 0.057 191.9)
-
Step 900
900
#224947
oklch(37.6% 0.044 191)
-
Step 950
950 (this color)
#091F1E
oklch(22.1% 0.028 191.3)
#091F1E 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) | #1D1D1E | 0.030 |
| Deuteranopia (no green cones) | #191A1E | 0.028 |
| Tritanopia (no blue cones) | #00201F | 0.010 |
| Achromatopsia (no color) | #1C1C1C | 0.028 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #091F1E
#091F1E
oklch(22.1% 0.028 191.3)
- #261517
#261517
oklch(22% 0.028 11.9)
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 #091F1E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.033
- Jet #212529 ΔE 0.048
- Dark #1B2431 ΔE 0.048
- Rich Navy #001219 ΔE 0.055
- Oxford Blue #1B263B ΔE 0.064
- Almost Black #070D0D ΔE 0.071
- Dark Forest Green #002D04 ΔE 0.077
- Very Dark Green #062E03 ΔE 0.080
Use #091F1E 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.