#191C01
Closest named color: Dark Brown (#341C02). oklch(21.6% 0.047 115.3), rgb(25, 28, 1).
Aa
White text reads best on this color (17.38:1).
About this color
#191C01 is a very dark, muted brown. In OKLCH its lightness is 22%, its chroma 0.047 and its hue 115°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Brown (#341C02), ΔE 0.058 away. White text reads best on it, at 17.38:1.
| Hue family | Browns |
| Lightness | very dark (22%) |
| Chroma | muted (0.047) |
| Temperature | in between |
| Nearest name | Dark Brown (#341C02) |
| Black text | 1.20:1 |
| White text | 17.38:1 |
Values
| HEX | #191C01 |
| RGB | rgb(25, 28, 1) |
| HSL | hsl(67, 93%, 6%) |
| OKLCH | oklch(21.6% 0.047 115.3) |
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 #191C01 | 17.38:1 | AAA | Lc -106.5 | Preferred for body text |
| Black text on #191C01 | 1.20:1 | Fails | Lc 0.0 | Not readable |
| #191C01 text on white | 17.38:1 | AAA | Lc 104.2 | Preferred for body text |
| #191C01 text on black | 1.20:1 | 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
#F5F6F1
oklch(97.1% 0.007 115.7)
-
Step 100
100
#E9EBDF
oklch(93.5% 0.016 114.4)
-
Step 200
200
#D8DCC5
oklch(88.5% 0.031 115)
-
Step 300
300
#BFC59D
oklch(80.8% 0.055 114.6)
-
Step 400
400
#9EA866
oklch(70.8% 0.089 115.8)
-
Step 500
500
#879138
oklch(63% 0.114 115.1)
-
Step 600
600
#717B08
oklch(55.6% 0.124 115.4)
-
Step 700
700
#5F6700
oklch(49% 0.111 115)
-
Step 800
800
#4D5503
oklch(42.8% 0.096 115.9)
-
Step 900
900
#404610
oklch(37.7% 0.075 115.6)
-
Step 950
950 (this color)
#191C01
oklch(21.6% 0.047 115.3)
#191C01 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) | #1F1A00 | 0.013 |
| Deuteranopia (no green cones) | #1F1A02 | 0.014 |
| Tritanopia (no blue cones) | #1B1A16 | 0.040 |
| Achromatopsia (no color) | #1A1A1A | 0.047 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #191C01
#191C01
oklch(21.6% 0.047 115.3)
- #1C152D
#1C152D
oklch(21.8% 0.047 295.7)
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 #191C01, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Brown #341C02 ΔE 0.058
- Dark Forest Green #002D04 ΔE 0.064
- Very Dark Green #062E03 ΔE 0.066
- Jet #212529 ΔE 0.071
- Rich Black #0D1B2A ΔE 0.077
- Almost Black #070D0D ΔE 0.079
- Rich Navy #001219 ΔE 0.079
- Dark #1B2431 ΔE 0.083
Use #191C01 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.