#1C1901
Closest named color: Dark Brown (#341C02). oklch(21% 0.042 103.1), rgb(28, 25, 1).
Aa
White text reads best on this color (17.66:1).
About this color
#1C1901 is a very dark, muted brown. In OKLCH its lightness is 21%, its chroma 0.042 and its hue 103°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Brown (#341C02), ΔE 0.055 away. White text reads best on it, at 17.66:1.
| Hue family | Browns |
| Lightness | very dark (21%) |
| Chroma | muted (0.042) |
| Temperature | warm |
| Nearest name | Dark Brown (#341C02) |
| Black text | 1.18:1 |
| White text | 17.66:1 |
Values
| HEX | #1C1901 |
| RGB | rgb(28, 25, 1) |
| HSL | hsl(53, 93%, 6%) |
| OKLCH | oklch(21% 0.042 103.1) |
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 #1C1901 | 17.66:1 | AAA | Lc -106.7 | Preferred for body text |
| Black text on #1C1901 | 1.18:1 | Fails | Lc 0.0 | Not readable |
| #1C1901 text on white | 17.66:1 | AAA | Lc 104.4 | Preferred for body text |
| #1C1901 text on black | 1.18:1 | 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
#F6F6F1
oklch(97.2% 0.007 106.5)
-
Step 100
100
#EBEAE0
oklch(93.5% 0.013 102)
-
Step 200
200
#DCDAC6
oklch(88.5% 0.027 102.3)
-
Step 300
300
#C6C39E
oklch(81% 0.05 103.6)
-
Step 400
400
#A9A367
oklch(70.6% 0.08 103.3)
-
Step 500
500
#958C3B
oklch(63.1% 0.103 103)
-
Step 600
600
#7F7512
oklch(55.5% 0.111 103.1)
-
Step 700
700
#6C6200
oklch(49% 0.103 102.5)
-
Step 800
800
#585009
oklch(42.6% 0.085 102.4)
-
Step 900
900
#484313
oklch(37.7% 0.067 103.3)
-
Step 950
950 (this color)
#1C1901
oklch(21% 0.042 103.1)
#1C1901 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) | #1C1800 | 0.004 |
| Deuteranopia (no green cones) | #1D1902 | 0.003 |
| Tritanopia (no blue cones) | #1F1614 | 0.040 |
| Achromatopsia (no color) | #191919 | 0.042 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1C1901
#1C1901
oklch(21% 0.042 103.1)
- #16152B
#16152B
oklch(20.9% 0.043 284.1)
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 #1C1901, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Brown #341C02 ΔE 0.055
- Jet #212529 ΔE 0.072
- Almost Black #070D0D ΔE 0.073
- Dark Forest Green #002D04 ΔE 0.075
- Rich Black #0D1B2A ΔE 0.075
- Rich Navy #001219 ΔE 0.076
- Very Dark Green #062E03 ΔE 0.077
- Very Dark Brown #1D0200 ΔE 0.081
Use #1C1901 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.