#04100A
Closest named color: Almost Black (#070D0D). oklch(15.8% 0.023 163.1), rgb(4, 16, 10).
Aa
White text reads best on this color (19.37:1).
About this color
#04100A is a very dark close to neutral grey. In OKLCH its lightness is 16%, its chroma 0.023. It has too little chroma to lean warm or cool. The nearest named color is Almost Black (#070D0D), ΔE 0.017 away. White text reads best on it, at 19.37:1.
| Hue family | Neutrals |
| Lightness | very dark (16%) |
| Chroma | close to neutral grey (0.023) |
| Temperature | neutral |
| Nearest name | Almost Black (#070D0D) |
| Black text | 1.08:1 |
| White text | 19.37:1 |
Values
| HEX | #04100A |
| RGB | rgb(4, 16, 10) |
| HSL | hsl(150, 60%, 4%) |
| OKLCH | oklch(15.8% 0.023 163.1) |
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 #04100A | 19.37:1 | AAA | Lc -107.6 | Preferred for body text |
| Black text on #04100A | 1.08:1 | Fails | Lc 0.0 | Not readable |
| #04100A text on white | 19.37:1 | AAA | Lc 105.6 | Preferred for body text |
| #04100A 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
#F3F6F5
oklch(97.1% 0.003 174.5)
-
Step 100
100
#E5ECE8
oklch(93.7% 0.009 161.3)
-
Step 200
200
#D1DCD6
oklch(88.4% 0.014 162.4)
-
Step 300
300
#B1C7BB
oklch(81% 0.029 161.9)
-
Step 400
400
#88AA99
oklch(70.8% 0.045 163.4)
-
Step 500
500
#6A9580
oklch(63.2% 0.057 163.1)
-
Step 600
600
#517F69
oklch(55.7% 0.061 162.8)
-
Step 700
700
#416B57
oklch(49.1% 0.057 162.7)
-
Step 800
800
#365748
oklch(42.6% 0.046 164.1)
-
Step 900
900
#2F483C
oklch(37.7% 0.037 163.2)
-
Step 950
950 (this color)
#04100A
oklch(15.8% 0.023 163.1)
#04100A 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) | #100E0A | 0.024 |
| Deuteranopia (no green cones) | #0E0D0A | 0.022 |
| Tritanopia (no blue cones) | #02100E | 0.009 |
| Achromatopsia (no color) | #0D0D0D | 0.023 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #04100A
#04100A
oklch(15.8% 0.023 163.1)
- #14090F
#14090F
oklch(15.9% 0.023 346)
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 #04100A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Almost Black #070D0D ΔE 0.017
- Rich Navy #001219 ΔE 0.030
- Very Dark Brown #1D0200 ΔE 0.071
- Rich Black #0D1B2A ΔE 0.073
- Dark Navy Blue #00022E ΔE 0.098
- Midnight #03012D ΔE 0.099
- Dark Navy #000435 ΔE 0.103
- Very Dark Blue #000133 ΔE 0.106
Use #04100A 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.