#09100A
Closest named color: Almost Black (#070D0D). oklch(16.3% 0.017 148.7), rgb(9, 16, 10).
Aa
White text reads best on this color (19.26:1).
About this color
#09100A is a very dark close to neutral grey. In OKLCH its lightness is 16%, its chroma 0.017. It has too little chroma to lean warm or cool. The nearest named color is Almost Black (#070D0D), ΔE 0.016 away. White text reads best on it, at 19.26:1.
| Hue family | Neutrals |
| Lightness | very dark (16%) |
| Chroma | close to neutral grey (0.017) |
| Temperature | neutral |
| Nearest name | Almost Black (#070D0D) |
| Black text | 1.09:1 |
| White text | 19.26:1 |
Values
| HEX | #09100A |
| RGB | rgb(9, 16, 10) |
| HSL | hsl(129, 28%, 5%) |
| OKLCH | oklch(16.3% 0.017 148.7) |
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 #09100A | 19.26:1 | AAA | Lc -107.5 | Preferred for body text |
| Black text on #09100A | 1.09:1 | Fails | Lc 0.0 | Not readable |
| #09100A text on white | 19.26:1 | AAA | Lc 105.6 | Preferred for body text |
| #09100A text on black | 1.09:1 | 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
#F4F6F4
oklch(97.1% 0.003 145.5)
-
Step 100
100
#E7EBE8
oklch(93.6% 0.006 153.8)
-
Step 200
200
#D4DBD5
oklch(88.4% 0.011 149.8)
-
Step 300
300
#B8C4BA
oklch(80.8% 0.019 150.5)
-
Step 400
400
#94A696
oklch(70.6% 0.031 148.4)
-
Step 500
500
#79917C
oklch(63.2% 0.041 148.6)
-
Step 600
600
#627B65
oklch(55.7% 0.045 148.2)
-
Step 700
700
#516754
oklch(49% 0.04 148.7)
-
Step 800
800
#425445
oklch(42.6% 0.033 149.7)
-
Step 900
900
#38463A
oklch(37.8% 0.027 149)
-
Step 950
950 (this color)
#09100A
oklch(16.3% 0.017 148.7)
#09100A 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) | #100F0A | 0.014 |
| Deuteranopia (no green cones) | #0F0E0A | 0.013 |
| Tritanopia (no blue cones) | #08100E | 0.008 |
| Achromatopsia (no color) | #0E0E0E | 0.017 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #09100A
#09100A
oklch(16.3% 0.017 148.7)
- #120B12
#120B12
oklch(16.2% 0.018 326.4)
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 #09100A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Almost Black #070D0D ΔE 0.016
- Rich Navy #001219 ΔE 0.032
- Very Dark Brown #1D0200 ΔE 0.064
- Rich Black #0D1B2A ΔE 0.069
- Midnight #03012D ΔE 0.100
- Dark Navy Blue #00022E ΔE 0.100
- Jet #212529 ΔE 0.101
- Dark #1B2431 ΔE 0.101
Use #09100A 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.