#00100D
Closest named color: Almost Black (#070D0D). oklch(15.5% 0.028 181.5), rgb(0, 16, 13).
Aa
White text reads best on this color (19.44:1).
About this color
#00100D is a very dark close to neutral grey. In OKLCH its lightness is 16%, its chroma 0.028. It has too little chroma to lean warm or cool. The nearest named color is Almost Black (#070D0D), ΔE 0.019 away. White text reads best on it, at 19.44:1.
| Hue family | Neutrals |
| Lightness | very dark (16%) |
| Chroma | close to neutral grey (0.028) |
| Temperature | neutral |
| Nearest name | Almost Black (#070D0D) |
| Black text | 1.07:1 |
| White text | 19.44:1 |
Values
| HEX | #00100D |
| RGB | rgb(0, 16, 13) |
| HSL | hsl(169, 100%, 3%) |
| OKLCH | oklch(15.5% 0.028 181.5) |
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 #00100D | 19.44:1 | AAA | Lc -107.5 | Preferred for body text |
| Black text on #00100D | 1.07:1 | Fails | Lc 0.0 | Not readable |
| #00100D text on white | 19.44:1 | AAA | Lc 105.6 | Preferred for body text |
| #00100D 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
#F2F6F5
oklch(97% 0.004 179.7)
-
Step 100
100
#E3ECEA
oklch(93.6% 0.01 181.4)
-
Step 200
200
#CDDDDA
oklch(88.5% 0.018 183.5)
-
Step 300
300
#AAC8C2
oklch(80.9% 0.033 182)
-
Step 400
400
#7CACA3
oklch(70.8% 0.053 181.8)
-
Step 500
500
#58978C
oklch(63.1% 0.068 181.6)
-
Step 600
600
#3B8176
oklch(55.5% 0.073 181.9)
-
Step 700
700
#2C6D63
oklch(49% 0.068 181.7)
-
Step 800
800
#265951
oklch(42.6% 0.057 181.8)
-
Step 900
900
#244943
oklch(37.6% 0.044 182.1)
-
Step 950
950 (this color)
#00100D
oklch(15.5% 0.028 181.5)
#00100D 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) | #0F0E0D | 0.031 |
| Deuteranopia (no green cones) | #0C0C0D | 0.028 |
| Tritanopia (no blue cones) | #00110F | 0.005 |
| Achromatopsia (no color) | #0D0D0D | 0.028 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #00100D
#00100D
oklch(15.5% 0.028 181.5)
- #16070B
#16070B
oklch(15.5% 0.028 2.9)
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 #00100D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Almost Black #070D0D ΔE 0.019
- Rich Navy #001219 ΔE 0.025
- Rich Black #0D1B2A ΔE 0.073
- Very Dark Brown #1D0200 ΔE 0.079
- Dark Navy Blue #00022E ΔE 0.091
- Midnight #03012D ΔE 0.093
- Dark Navy #000435 ΔE 0.096
- Very Dark Blue #000133 ΔE 0.099
Use #00100D 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.