#100C00
Closest named color: Almost Black (#070D0D). oklch(15.5% 0.032 97.1), rgb(16, 12, 0).
Aa
White text reads best on this color (19.54:1).
About this color
#100C00 is a very dark, muted brown. In OKLCH its lightness is 15%, its chroma 0.032 and its hue 97°. Its hue sits on the warm side of the wheel. The nearest named color is Almost Black (#070D0D), ΔE 0.035 away. White text reads best on it, at 19.54:1.
| Hue family | Browns |
| Lightness | very dark (15%) |
| Chroma | muted (0.032) |
| Temperature | warm |
| Nearest name | Almost Black (#070D0D) |
| Black text | 1.07:1 |
| White text | 19.54:1 |
Values
| HEX | #100C00 |
| RGB | rgb(16, 12, 0) |
| HSL | hsl(45, 100%, 3%) |
| OKLCH | oklch(15.5% 0.032 97.1) |
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 #100C00 | 19.54:1 | AAA | Lc -107.6 | Preferred for body text |
| Black text on #100C00 | 1.07:1 | Fails | Lc 0.0 | Not readable |
| #100C00 text on white | 19.54:1 | AAA | Lc 105.7 | Preferred for body text |
| #100C00 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
#F6F5F2
oklch(97% 0.004 91.4)
-
Step 100
100
#ECEAE2
oklch(93.6% 0.011 95.2)
-
Step 200
200
#DDD9CA
oklch(88.4% 0.021 94.5)
-
Step 300
300
#C7C1A6
oklch(80.9% 0.037 96.8)
-
Step 400
400
#ABA176
oklch(70.7% 0.06 96.6)
-
Step 500
500
#968A52
oklch(63.1% 0.077 97.6)
-
Step 600
600
#817335
oklch(55.5% 0.084 96.8)
-
Step 700
700
#6D6128
oklch(49.2% 0.078 97.5)
-
Step 800
800
#594F22
oklch(42.7% 0.065 97)
-
Step 900
900
#494221
oklch(37.8% 0.051 97.6)
-
Step 950
950 (this color)
#100C00
oklch(15.5% 0.032 97.1)
#100C00 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) | #0F0B00 | 0.005 |
| Deuteranopia (no green cones) | #100D00 | 0.004 |
| Tritanopia (no blue cones) | #120A08 | 0.028 |
| Achromatopsia (no color) | #0C0C0C | 0.032 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #100C00
#100C00
oklch(15.5% 0.032 97.1)
- #090B1A
#090B1A
oklch(15.7% 0.032 276.2)
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 #100C00, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Almost Black #070D0D ΔE 0.035
- Very Dark Brown #1D0200 ΔE 0.049
- Rich Navy #001219 ΔE 0.058
- Rich Black #0D1B2A ΔE 0.091
- Dark Brown #341C02 ΔE 0.104
- Dark Maroon #3C0008 ΔE 0.113
- Jet #212529 ΔE 0.115
- Dark #1B2431 ΔE 0.119
Use #100C00 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.