#100604
Closest named color: Almost Black (#070D0D). oklch(13.8% 0.021 36.7), rgb(16, 6, 4).
Aa
White text reads best on this color (20.00:1).
About this color
#100604 is a very dark close to neutral grey. In OKLCH its lightness is 14%, its chroma 0.021. It has too little chroma to lean warm or cool. The nearest named color is Almost Black (#070D0D), ΔE 0.034 away. White text reads best on it, at 20.00:1.
| Hue family | Neutrals |
| Lightness | very dark (14%) |
| Chroma | close to neutral grey (0.021) |
| Temperature | neutral |
| Nearest name | Almost Black (#070D0D) |
| Black text | 1.04:1 |
| White text | 20.00:1 |
Values
| HEX | #100604 |
| RGB | rgb(16, 6, 4) |
| HSL | hsl(10, 60%, 4%) |
| OKLCH | oklch(13.8% 0.021 36.7) |
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 #100604 | 20.00:1 | AAA | Lc -107.8 | Preferred for body text |
| Black text on #100604 | 1.04:1 | Fails | Lc 0.0 | Not readable |
| #100604 text on white | 20.00:1 | AAA | Lc 105.9 | Preferred for body text |
| #100604 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
#F8F5F4
oklch(97.2% 0.003 39.5)
-
Step 100
100
#EEE8E6
oklch(93.5% 0.007 39.5)
-
Step 200
200
#E2D6D3
oklch(88.5% 0.014 34.3)
-
Step 300
300
#D0BBB6
oklch(80.8% 0.025 33.6)
-
Step 400
400
#B89990
oklch(70.8% 0.039 36.8)
-
Step 500
500
#A57F74
oklch(63% 0.05 36.7)
-
Step 600
600
#90685D
oklch(55.5% 0.055 36)
-
Step 700
700
#7B574C
oklch(49.2% 0.051 37.7)
-
Step 800
800
#64473F
oklch(42.7% 0.042 36)
-
Step 900
900
#513C35
oklch(37.7% 0.032 39.2)
-
Step 950
950 (this color)
#100604
oklch(13.8% 0.021 36.7)
#100604 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) | #080704 | 0.020 |
| Deuteranopia (no green cones) | #0B0904 | 0.018 |
| Tritanopia (no blue cones) | #120505 | 0.008 |
| Achromatopsia (no color) | #080808 | 0.021 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #100604
#100604
oklch(13.8% 0.021 36.7)
- #010B0E
#010B0E
oklch(13.9% 0.021 213.1)
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 #100604, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Almost Black #070D0D ΔE 0.034
- Very Dark Brown #1D0200 ΔE 0.036
- Rich Navy #001219 ΔE 0.061
- Rich Black #0D1B2A ΔE 0.097
- Midnight #03012D ΔE 0.102
- Dark Navy Blue #00022E ΔE 0.105
- Dark Maroon #3C0008 ΔE 0.113
- Dark Navy #000435 ΔE 0.113
Use #100604 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.