#100B00
Closest named color: Almost Black (#070D0D). oklch(15.2% 0.031 93.2), rgb(16, 11, 0).
Aa
White text reads best on this color (19.62:1).
About this color
#100B00 is a very dark, muted brown. In OKLCH its lightness is 15%, its chroma 0.031 and its hue 93°. 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 19.62:1.
| Hue family | Browns |
| Lightness | very dark (15%) |
| Chroma | muted (0.031) |
| Temperature | warm |
| Nearest name | Almost Black (#070D0D) |
| Black text | 1.06:1 |
| White text | 19.62:1 |
Values
| HEX | #100B00 |
| RGB | rgb(16, 11, 0) |
| HSL | hsl(41, 100%, 3%) |
| OKLCH | oklch(15.2% 0.031 93.2) |
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 #100B00 | 19.62:1 | AAA | Lc -107.7 | Preferred for body text |
| Black text on #100B00 | 1.06:1 | Fails | Lc 0.0 | Not readable |
| #100B00 text on white | 19.62:1 | AAA | Lc 105.7 | Preferred for body text |
| #100B00 text on black | 1.06:1 | 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
#C8C1A6
oklch(80.9% 0.038 95.1)
-
Step 400
400
#ADA077
oklch(70.7% 0.058 92.6)
-
Step 500
500
#998953
oklch(63.2% 0.075 93.5)
-
Step 600
600
#847237
oklch(55.6% 0.082 92.6)
-
Step 700
700
#6F6029
oklch(49.2% 0.076 94.2)
-
Step 800
800
#5B4E23
oklch(42.7% 0.063 92.7)
-
Step 900
900
#4A4122
oklch(37.7% 0.049 93.7)
-
Step 950
950 (this color)
#100B00
oklch(15.2% 0.031 93.2)
#100B00 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) | #0E0B00 | 0.005 |
| Deuteranopia (no green cones) | #0F0C00 | 0.004 |
| Tritanopia (no blue cones) | #120908 | 0.029 |
| Achromatopsia (no color) | #0B0B0B | 0.031 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #100B00
#100B00
oklch(15.2% 0.031 93.2)
- #070A19
#070A19
oklch(15.1% 0.033 272.5)
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 #100B00, 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 0.046
- Rich Navy #001219 ΔE 0.059
- Rich Black #0D1B2A ΔE 0.093
- Dark Brown #341C02 ΔE 0.106
- Dark Maroon #3C0008 ΔE 0.113
- Jet #212529 ΔE 0.117
- Midnight #03012D ΔE 0.119
Use #100B00 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.