#1F1900
Closest named color: Dark Brown (#341C02). oklch(21.4% 0.044 97.1), rgb(31, 25, 0).
Aa
White text reads best on this color (17.53:1).
About this color
#1F1900 is a very dark, muted brown. In OKLCH its lightness is 21%, its chroma 0.044 and its hue 97°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Brown (#341C02), ΔE 0.049 away. White text reads best on it, at 17.53:1.
| Hue family | Browns |
| Lightness | very dark (21%) |
| Chroma | muted (0.044) |
| Temperature | warm |
| Nearest name | Dark Brown (#341C02) |
| Black text | 1.19:1 |
| White text | 17.53:1 |
Values
| HEX | #1F1900 |
| RGB | rgb(31, 25, 0) |
| HSL | hsl(48, 100%, 6%) |
| OKLCH | oklch(21.4% 0.044 97.1) |
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 #1F1900 | 17.53:1 | AAA | Lc -106.6 | Preferred for body text |
| Black text on #1F1900 | 1.19:1 | Fails | Lc 0.0 | Not readable |
| #1F1900 text on white | 17.53:1 | AAA | Lc 104.3 | Preferred for body text |
| #1F1900 text on black | 1.19:1 | 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
#F7F5F0
oklch(97% 0.007 88.6)
-
Step 100
100
#ECEADF
oklch(93.6% 0.015 98.3)
-
Step 200
200
#DEDAC4
oklch(88.6% 0.03 98.5)
-
Step 300
300
#CAC19B
oklch(80.9% 0.052 96.3)
-
Step 400
400
#AFA163
oklch(70.7% 0.083 97)
-
Step 500
500
#9C8934
oklch(63.1% 0.106 96.6)
-
Step 600
600
#867300
oklch(55.7% 0.115 97.6)
-
Step 700
700
#716000
oklch(49.1% 0.101 97)
-
Step 800
800
#5D4E00
oklch(42.6% 0.088 96.3)
-
Step 900
900
#4C410D
oklch(37.6% 0.07 96.7)
-
Step 950
950 (this color)
#1F1900
oklch(21.4% 0.044 97.1)
#1F1900 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) | #1D1800 | 0.006 |
| Deuteranopia (no green cones) | #1F1A01 | 0.004 |
| Tritanopia (no blue cones) | #231614 | 0.041 |
| Achromatopsia (no color) | #191919 | 0.044 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1F1900
#1F1900
oklch(21.4% 0.044 97.1)
- #14172D
#14172D
oklch(21.4% 0.043 276.2)
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 #1F1900, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Brown #341C02 ΔE 0.049
- Jet #212529 ΔE 0.071
- Dark Forest Green #002D04 ΔE 0.076
- Chocolate Brown #411900 ΔE 0.077
- Very Dark Green #062E03 ΔE 0.077
- Almost Black #070D0D ΔE 0.077
- Rich Black #0D1B2A ΔE 0.078
- Rich Navy #001219 ΔE 0.081
Use #1F1900 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.