#1F0B01
Closest named color: Very Dark Brown (#1D0200). oklch(17.8% 0.042 53), rgb(31, 11, 1).
Aa
White text reads best on this color (18.97:1).
About this color
#1F0B01 is a very dark, muted brown. In OKLCH its lightness is 18%, its chroma 0.042 and its hue 53°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.033 away. White text reads best on it, at 18.97:1.
| Hue family | Browns |
| Lightness | very dark (18%) |
| Chroma | muted (0.042) |
| Temperature | warm |
| Nearest name | Very Dark Brown (#1D0200) |
| Black text | 1.10:1 |
| White text | 18.97:1 |
Values
| HEX | #1F0B01 |
| RGB | rgb(31, 11, 1) |
| HSL | hsl(20, 94%, 6%) |
| OKLCH | oklch(17.8% 0.042 53) |
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 #1F0B01 | 18.97:1 | AAA | Lc -107.3 | Preferred for body text |
| Black text on #1F0B01 | 1.10:1 | Fails | Lc 0.0 | Not readable |
| #1F0B01 text on white | 18.97:1 | AAA | Lc 105.3 | Preferred for body text |
| #1F0B01 text on black | 1.10:1 | 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
#F9F4F1
oklch(97% 0.007 53.4)
-
Step 100
100
#F2E7E1
oklch(93.5% 0.014 50.8)
-
Step 200
200
#E9D5C9
oklch(88.6% 0.028 53.1)
-
Step 300
300
#DBB9A3
oklch(81% 0.05 54.8)
-
Step 400
400
#C89372
oklch(70.6% 0.079 53)
-
Step 500
500
#B9774D
oklch(63% 0.101 52.4)
-
Step 600
600
#A55F2F
oklch(55.6% 0.11 52.7)
-
Step 700
700
#8D4E22
oklch(49.1% 0.102 52.6)
-
Step 800
800
#73401E
oklch(42.7% 0.085 52)
-
Step 900
900
#5D371E
oklch(37.7% 0.066 52.7)
-
Step 950
950 (this color)
#1F0B01
oklch(17.8% 0.042 53)
#1F0B01 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) | #110E00 | 0.035 |
| Deuteranopia (no green cones) | #161201 | 0.031 |
| Tritanopia (no blue cones) | #230708 | 0.026 |
| Achromatopsia (no color) | #101010 | 0.042 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1F0B01
#1F0B01
oklch(17.8% 0.042 53)
- #00141F
#00141F
oklch(18% 0.037 232.6)
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 #1F0B01, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Brown #1D0200 ΔE 0.033
- Almost Black #070D0D ΔE 0.056
- Rich Navy #001219 ΔE 0.073
- Dark Maroon #3C0008 ΔE 0.076
- Dark Brown #341C02 ΔE 0.077
- Deep Brown #410200 ΔE 0.083
- Rich Black #0D1B2A ΔE 0.086
- Chocolate Brown #411900 ΔE 0.096
Use #1F0B01 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.