#10040A
Closest named color: Almost Black (#070D0D). oklch(13.4% 0.029 347), rgb(16, 4, 10).
Aa
White text reads best on this color (20.11:1).
About this color
#10040A is a very dark close to neutral grey. In OKLCH its lightness is 13%, its chroma 0.029. It has too little chroma to lean warm or cool. The nearest named color is Almost Black (#070D0D), ΔE 0.042 away. White text reads best on it, at 20.11:1.
| Hue family | Neutrals |
| Lightness | very dark (13%) |
| Chroma | close to neutral grey (0.029) |
| Temperature | neutral |
| Nearest name | Almost Black (#070D0D) |
| Black text | 1.04:1 |
| White text | 20.11:1 |
Values
| HEX | #10040A |
| RGB | rgb(16, 4, 10) |
| HSL | hsl(330, 60%, 4%) |
| OKLCH | oklch(13.4% 0.029 347) |
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 #10040A | 20.11:1 | AAA | Lc -107.8 | Preferred for body text |
| Black text on #10040A | 1.04:1 | Fails | Lc 0.0 | Not readable |
| #10040A text on white | 20.11:1 | AAA | Lc 105.9 | Preferred for body text |
| #10040A text on black | 1.04:1 | 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
#F8F4F6
oklch(97.1% 0.005 345.3)
-
Step 100
100
#EFE7EB
oklch(93.5% 0.01 345.4)
-
Step 200
200
#E3D4DB
oklch(88.4% 0.019 347.5)
-
Step 300
300
#D2B8C5
oklch(80.9% 0.034 346.2)
-
Step 400
400
#BB93A7
oklch(70.7% 0.055 347.1)
-
Step 500
500
#A97892
oklch(63% 0.07 346.2)
-
Step 600
600
#94617C
oklch(55.6% 0.076 346.8)
-
Step 700
700
#7E5068
oklch(49.1% 0.07 347.4)
-
Step 800
800
#674255
oklch(42.8% 0.058 347.7)
-
Step 900
900
#543846
oklch(37.8% 0.045 348.1)
-
Step 950
950 (this color)
#10040A
oklch(13.4% 0.029 347)
#10040A 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) | #05060A | 0.030 |
| Deuteranopia (no green cones) | #07080A | 0.029 |
| Tritanopia (no blue cones) | #120406 | 0.012 |
| Achromatopsia (no color) | #070707 | 0.029 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #10040A
#10040A
oklch(13.4% 0.029 347)
- #000B06
#000B06
oklch(13.3% 0.027 167.9)
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 #10040A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Almost Black #070D0D ΔE 0.042
- Very Dark Brown #1D0200 ΔE 0.044
- Rich Navy #001219 ΔE 0.064
- Midnight #03012D ΔE 0.086
- Dark Navy Blue #00022E ΔE 0.091
- Rich Black #0D1B2A ΔE 0.097
- Dark Navy #000435 ΔE 0.100
- Very Dark Blue #000133 ΔE 0.100
Use #10040A 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.