#100B04
Closest named color: Almost Black (#070D0D). oklch(15.3% 0.019 80.3), rgb(16, 11, 4).
Aa
White text reads best on this color (19.59:1).
About this color
#100B04 is a very dark close to neutral grey. In OKLCH its lightness is 15%, its chroma 0.019. It has too little chroma to lean warm or cool. The nearest named color is Almost Black (#070D0D), ΔE 0.025 away. White text reads best on it, at 19.59:1.
| Hue family | Neutrals |
| Lightness | very dark (15%) |
| Chroma | close to neutral grey (0.019) |
| Temperature | neutral |
| Nearest name | Almost Black (#070D0D) |
| Black text | 1.07:1 |
| White text | 19.59:1 |
Values
| HEX | #100B04 |
| RGB | rgb(16, 11, 4) |
| HSL | hsl(35, 60%, 4%) |
| OKLCH | oklch(15.3% 0.019 80.3) |
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 #100B04 | 19.59:1 | AAA | Lc -107.7 | Preferred for body text |
| Black text on #100B04 | 1.07:1 | Fails | Lc 0.0 | Not readable |
| #100B04 text on white | 19.59:1 | AAA | Lc 105.7 | Preferred for body text |
| #100B04 text on black | 1.07:1 | 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
#F6F5F3
oklch(97% 0.003 84.6)
-
Step 100
100
#ECE9E5
oklch(93.5% 0.006 75.4)
-
Step 200
200
#DDD8D0
oklch(88.4% 0.012 79.8)
-
Step 300
300
#C8BFB1
oklch(80.8% 0.022 79.1)
-
Step 400
400
#AC9F88
oklch(70.7% 0.036 81.9)
-
Step 500
500
#98876B
oklch(63.1% 0.045 80.1)
-
Step 600
600
#837152
oklch(55.7% 0.05 80.9)
-
Step 700
700
#6E5E43
oklch(49% 0.045 80.4)
-
Step 800
800
#5A4D37
oklch(42.7% 0.038 80.5)
-
Step 900
900
#4A4030
oklch(37.7% 0.029 79.3)
-
Step 950
950 (this color)
#100B04
oklch(15.3% 0.019 80.3)
#100B04 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) | #0D0B04 | 0.007 |
| Deuteranopia (no green cones) | #0E0C04 | 0.006 |
| Tritanopia (no blue cones) | #120A09 | 0.015 |
| Achromatopsia (no color) | #0C0C0C | 0.019 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #100B04
#100B04
oklch(15.3% 0.019 80.3)
- #070C14
#070C14
oklch(15.3% 0.019 258.4)
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 #100B04, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Almost Black #070D0D ΔE 0.025
- Very Dark Brown #1D0200 ΔE 0.043
- Rich Navy #001219 ΔE 0.050
- Rich Black #0D1B2A ΔE 0.084
- Dark Brown #341C02 ΔE 0.107
- Midnight #03012D ΔE 0.107
- Dark Navy Blue #00022E ΔE 0.109
- Dark Maroon #3C0008 ΔE 0.110
Use #100B04 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.