#00100E
Closest named color: Almost Black (#070D0D). oklch(15.6% 0.027 185.8), rgb(0, 16, 14).
Aa
White text reads best on this color (19.43:1).
About this color
#00100E is a very dark close to neutral grey. In OKLCH its lightness is 16%, its chroma 0.027. It has too little chroma to lean warm or cool. The nearest named color is Almost Black (#070D0D), ΔE 0.018 away. White text reads best on it, at 19.43:1.
| Hue family | Neutrals |
| Lightness | very dark (16%) |
| Chroma | close to neutral grey (0.027) |
| Temperature | neutral |
| Nearest name | Almost Black (#070D0D) |
| Black text | 1.08:1 |
| White text | 19.43:1 |
Values
| HEX | #00100E |
| RGB | rgb(0, 16, 14) |
| HSL | hsl(173, 100%, 3%) |
| OKLCH | oklch(15.6% 0.027 185.8) |
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 #00100E | 19.43:1 | AAA | Lc -107.5 | Preferred for body text |
| Black text on #00100E | 1.08:1 | Fails | Lc 0.0 | Not readable |
| #00100E text on white | 19.43:1 | AAA | Lc 105.6 | Preferred for body text |
| #00100E text on black | 1.08:1 | 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
#F2F6F6
oklch(97% 0.004 197.1)
-
Step 100
100
#E3ECEB
oklch(93.6% 0.01 189.1)
-
Step 200
200
#CDDDDB
oklch(88.5% 0.017 187.8)
-
Step 300
300
#AAC8C3
oklch(80.9% 0.033 184.4)
-
Step 400
400
#7CACA5
oklch(70.8% 0.052 184.9)
-
Step 500
500
#58978F
oklch(63.2% 0.066 185.3)
-
Step 600
600
#3B8179
oklch(55.6% 0.072 185.4)
-
Step 700
700
#2C6D66
oklch(49.1% 0.067 185.7)
-
Step 800
800
#265953
oklch(42.7% 0.056 185.1)
-
Step 900
900
#244945
oklch(37.7% 0.043 186.5)
-
Step 950
950 (this color)
#00100E
oklch(15.6% 0.027 185.8)
#00100E 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) | #0E0E0E | 0.028 |
| Deuteranopia (no green cones) | #0B0C0E | 0.027 |
| Tritanopia (no blue cones) | #00110F | 0.004 |
| Achromatopsia (no color) | #0D0D0D | 0.028 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #00100E
#00100E
oklch(15.6% 0.027 185.8)
- #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 #00100E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Almost Black #070D0D ΔE 0.018
- Rich Navy #001219 ΔE 0.023
- Rich Black #0D1B2A ΔE 0.071
- Very Dark Brown #1D0200 ΔE 0.079
- Dark Navy Blue #00022E ΔE 0.089
- Midnight #03012D ΔE 0.091
- Dark Navy #000435 ΔE 0.094
- Very Dark Blue #000133 ΔE 0.097
Use #00100E 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.