#04100C
Closest named color: Almost Black (#070D0D). oklch(15.9% 0.021 172.1), rgb(4, 16, 12).
Aa
White text reads best on this color (19.36:1).
About this color
#04100C is a very dark close to neutral grey. In OKLCH its lightness is 16%, its chroma 0.021. It has too little chroma to lean warm or cool. The nearest named color is Almost Black (#070D0D), ΔE 0.014 away. White text reads best on it, at 19.36:1.
| Hue family | Neutrals |
| Lightness | very dark (16%) |
| Chroma | close to neutral grey (0.021) |
| Temperature | neutral |
| Nearest name | Almost Black (#070D0D) |
| Black text | 1.08:1 |
| White text | 19.36:1 |
Values
| HEX | #04100C |
| RGB | rgb(4, 16, 12) |
| HSL | hsl(160, 60%, 4%) |
| OKLCH | oklch(15.9% 0.021 172.1) |
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 #04100C | 19.36:1 | AAA | Lc -107.5 | Preferred for body text |
| Black text on #04100C | 1.08:1 | Fails | Lc 0.0 | Not readable |
| #04100C text on white | 19.36:1 | AAA | Lc 105.6 | Preferred for body text |
| #04100C 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
#E5EBE9
oklch(93.5% 0.007 174.4)
-
Step 200
200
#D0DCD8
oklch(88.4% 0.014 174.1)
-
Step 300
300
#B1C6BF
oklch(80.9% 0.025 173.7)
-
Step 400
400
#88A99E
oklch(70.7% 0.04 172.8)
-
Step 500
500
#699486
oklch(63.1% 0.052 172.4)
-
Step 600
600
#507E70
oklch(55.5% 0.055 173)
-
Step 700
700
#416A5D
oklch(49% 0.051 172)
-
Step 800
800
#36574C
oklch(42.8% 0.043 171.2)
-
Step 900
900
#2F4840
oklch(37.9% 0.034 172.4)
-
Step 950
950 (this color)
#04100C
oklch(15.9% 0.021 172.1)
#04100C 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) | #0F0E0C | 0.022 |
| Deuteranopia (no green cones) | #0D0D0C | 0.020 |
| Tritanopia (no blue cones) | #02100F | 0.007 |
| Achromatopsia (no color) | #0E0E0E | 0.022 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #04100C
#04100C
oklch(15.9% 0.021 172.1)
- #14090E
#14090E
oklch(15.8% 0.022 351)
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 #04100C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Almost Black #070D0D ΔE 0.014
- Rich Navy #001219 ΔE 0.026
- Rich Black #0D1B2A ΔE 0.070
- Very Dark Brown #1D0200 ΔE 0.071
- Dark Navy Blue #00022E ΔE 0.094
- Midnight #03012D ΔE 0.095
- Dark Navy #000435 ΔE 0.099
- Very Dark Blue #000133 ΔE 0.102
Use #04100C 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.