#101309
Closest named color: Almost Black (#070D0D). oklch(18% 0.02 122), rgb(16, 19, 9).
Aa
White text reads best on this color (18.76:1).
About this color
#101309 is a very dark close to neutral grey. In OKLCH its lightness is 18%, its chroma 0.020. It has too little chroma to lean warm or cool. The nearest named color is Almost Black (#070D0D), ΔE 0.034 away. White text reads best on it, at 18.76:1.
| Hue family | Neutrals |
| Lightness | very dark (18%) |
| Chroma | close to neutral grey (0.020) |
| Temperature | neutral |
| Nearest name | Almost Black (#070D0D) |
| Black text | 1.11:1 |
| White text | 18.76:1 |
Values
| HEX | #101309 |
| RGB | rgb(16, 19, 9) |
| HSL | hsl(78, 36%, 5%) |
| OKLCH | oklch(18% 0.02 122) |
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 #101309 | 18.76:1 | AAA | Lc -107.3 | Preferred for body text |
| Black text on #101309 | 1.11:1 | Fails | Lc 0.0 | Not readable |
| #101309 text on white | 18.76:1 | AAA | Lc 105.3 | Preferred for body text |
| #101309 text on black | 1.11:1 | 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
#F5F6F3
oklch(97.2% 0.004 121.6)
-
Step 100
100
#E9EBE6
oklch(93.7% 0.007 124.5)
-
Step 200
200
#D7DBD1
oklch(88.6% 0.014 124.6)
-
Step 300
300
#BEC3B3
oklch(80.9% 0.023 121.1)
-
Step 400
400
#9CA58B
oklch(70.7% 0.038 122.9)
-
Step 500
500
#848E6E
oklch(63% 0.048 121.9)
-
Step 600
600
#6E7956
oklch(55.7% 0.053 122.3)
-
Step 700
700
#5C6546
oklch(49% 0.048 121.3)
-
Step 800
800
#4B533A
oklch(42.8% 0.041 122.5)
-
Step 900
900
#3F4432
oklch(37.6% 0.03 120.5)
-
Step 950
950 (this color)
#101309
oklch(18% 0.02 122)
#101309 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) | #141208 | 0.008 |
| Deuteranopia (no green cones) | #141209 | 0.009 |
| Tritanopia (no blue cones) | #111210 | 0.016 |
| Achromatopsia (no color) | #121212 | 0.020 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #101309
#101309
oklch(18% 0.02 122)
- #130F19
#130F19
oklch(17.8% 0.021 302.6)
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 #101309, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Almost Black #070D0D ΔE 0.034
- Rich Navy #001219 ΔE 0.042
- Rich Black #0D1B2A ΔE 0.063
- Very Dark Brown #1D0200 ΔE 0.064
- Jet #212529 ΔE 0.086
- Dark Brown #341C02 ΔE 0.087
- Dark #1B2431 ΔE 0.090
- Dark Forest Green #002D04 ΔE 0.102
Use #101309 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.