#010A04
Closest named color: Almost Black (#070D0D). oklch(12.9% 0.026 156.8), rgb(1, 10, 4).
Aa
White text reads best on this color (20.06:1).
About this color
#010A04 is a very dark close to neutral grey. In OKLCH its lightness is 13%, its chroma 0.026. It has too little chroma to lean warm or cool. The nearest named color is Almost Black (#070D0D), ΔE 0.030 away. White text reads best on it, at 20.06:1.
| Hue family | Neutrals |
| Lightness | very dark (13%) |
| Chroma | close to neutral grey (0.026) |
| Temperature | neutral |
| Nearest name | Almost Black (#070D0D) |
| Black text | 1.04:1 |
| White text | 20.06:1 |
Values
| HEX | #010A04 |
| RGB | rgb(1, 10, 4) |
| HSL | hsl(140, 82%, 2%) |
| OKLCH | oklch(12.9% 0.026 156.8) |
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 #010A04 | 20.06:1 | AAA | Lc -107.8 | Preferred for body text |
| Black text on #010A04 | 1.04:1 | Fails | Lc 0.0 | Not readable |
| #010A04 text on white | 20.06:1 | AAA | Lc 105.9 | Preferred for body text |
| #010A04 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
#F3F6F4
oklch(97% 0.004 157.2)
-
Step 100
100
#E5ECE7
oklch(93.6% 0.01 155.1)
-
Step 200
200
#D0DDD4
oklch(88.5% 0.019 155.8)
-
Step 300
300
#B1C7B9
oklch(80.9% 0.031 157.7)
-
Step 400
400
#88AA94
oklch(70.6% 0.049 156.5)
-
Step 500
500
#69957A
oklch(63% 0.063 157.1)
-
Step 600
600
#508063
oklch(55.7% 0.069 156.8)
-
Step 700
700
#406C52
oklch(49.1% 0.065 157.1)
-
Step 800
800
#355843
oklch(42.7% 0.054 156.9)
-
Step 900
900
#2F4839
oklch(37.6% 0.04 157.5)
-
Step 950
950 (this color)
#010A04
oklch(12.9% 0.026 156.8)
#010A04 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) | #0A0804 | 0.025 |
| Deuteranopia (no green cones) | #080704 | 0.024 |
| Tritanopia (no blue cones) | #000A08 | 0.012 |
| Achromatopsia (no color) | #080808 | 0.027 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #010A04
#010A04
oklch(12.9% 0.026 156.8)
- #0E040B
#0E040B
oklch(13% 0.027 337.5)
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 #010A04, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Almost Black #070D0D ΔE 0.030
- Rich Navy #001219 ΔE 0.051
- Very Dark Brown #1D0200 ΔE 0.075
- Rich Black #0D1B2A ΔE 0.100
- Dark Navy Blue #00022E ΔE 0.102
- Midnight #03012D ΔE 0.102
- Dark Navy #000435 ΔE 0.111
- Very Dark Blue #000133 ΔE 0.111
Use #010A04 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.