#100F04
Closest named color: Almost Black (#070D0D). oklch(16.6% 0.023 104.6), rgb(16, 15, 4).
Aa
White text reads best on this color (19.22:1).
About this color
#100F04 is a very dark close to neutral grey. In OKLCH its lightness is 17%, its chroma 0.023. It has too little chroma to lean warm or cool. The nearest named color is Almost Black (#070D0D), ΔE 0.029 away. White text reads best on it, at 19.22:1.
| Hue family | Neutrals |
| Lightness | very dark (17%) |
| Chroma | close to neutral grey (0.023) |
| Temperature | neutral |
| Nearest name | Almost Black (#070D0D) |
| Black text | 1.09:1 |
| White text | 19.22:1 |
Values
| HEX | #100F04 |
| RGB | rgb(16, 15, 4) |
| HSL | hsl(55, 60%, 4%) |
| OKLCH | oklch(16.6% 0.023 104.6) |
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 #100F04 | 19.22:1 | AAA | Lc -107.5 | Preferred for body text |
| Black text on #100F04 | 1.09:1 | Fails | Lc 0.0 | Not readable |
| #100F04 text on white | 19.22:1 | AAA | Lc 105.6 | Preferred for body text |
| #100F04 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
#F6F6F3
oklch(97.2% 0.004 106.5)
-
Step 100
100
#EAEAE4
oklch(93.5% 0.008 106.6)
-
Step 200
200
#DADACE
oklch(88.5% 0.016 106.7)
-
Step 300
300
#C3C2AE
oklch(80.9% 0.027 104.7)
-
Step 400
400
#A4A383
oklch(70.8% 0.045 106)
-
Step 500
500
#8E8C63
oklch(63.1% 0.058 105.6)
-
Step 600
600
#79754A
oklch(55.5% 0.061 103.6)
-
Step 700
700
#66633B
oklch(49.2% 0.058 104.6)
-
Step 800
800
#535131
oklch(42.8% 0.049 105.2)
-
Step 900
900
#44432C
oklch(37.7% 0.037 105.9)
-
Step 950
950 (this color)
#100F04
oklch(16.6% 0.023 104.6)
#100F04 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) | #110E03 | 0.004 |
| Deuteranopia (no green cones) | #110F04 | 0.002 |
| Tritanopia (no blue cones) | #120E0C | 0.020 |
| Achromatopsia (no color) | #0F0F0F | 0.024 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #100F04
#100F04
oklch(16.6% 0.023 104.6)
- #0D0D18
#0D0D18
oklch(16.5% 0.023 283.6)
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 #100F04, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Almost Black #070D0D ΔE 0.029
- Rich Navy #001219 ΔE 0.047
- Very Dark Brown #1D0200 ΔE 0.053
- Rich Black #0D1B2A ΔE 0.077
- Dark Brown #341C02 ΔE 0.096
- Jet #212529 ΔE 0.101
- Dark #1B2431 ΔE 0.105
- Dark Maroon #3C0008 ΔE 0.109
Use #100F04 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.