#1D1503
Closest named color: Dark Brown (#341C02). oklch(20.1% 0.035 87), rgb(29, 21, 3).
Aa
White text reads best on this color (18.09:1).
About this color
#1D1503 is a very dark, muted brown. In OKLCH its lightness is 20%, its chroma 0.035 and its hue 87°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Brown (#341C02), ΔE 0.059 away. White text reads best on it, at 18.09:1.
| Hue family | Browns |
| Lightness | very dark (20%) |
| Chroma | muted (0.035) |
| Temperature | warm |
| Nearest name | Dark Brown (#341C02) |
| Black text | 1.16:1 |
| White text | 18.09:1 |
Values
| HEX | #1D1503 |
| RGB | rgb(29, 21, 3) |
| HSL | hsl(42, 81%, 6%) |
| OKLCH | oklch(20.1% 0.035 87) |
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 #1D1503 | 18.09:1 | AAA | Lc -106.9 | Preferred for body text |
| Black text on #1D1503 | 1.16:1 | Fails | Lc 0.0 | Not readable |
| #1D1503 text on white | 18.09:1 | AAA | Lc 104.8 | Preferred for body text |
| #1D1503 text on black | 1.16:1 | 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
#F7F5F1
oklch(97.1% 0.006 84.6)
-
Step 100
100
#EDE9E1
oklch(93.5% 0.012 84.6)
-
Step 200
200
#E0D8C8
oklch(88.4% 0.023 84.6)
-
Step 300
300
#CCBFA3
oklch(80.8% 0.041 86.1)
-
Step 400
400
#B29E71
oklch(70.6% 0.065 86.7)
-
Step 500
500
#A0864B
oklch(63.1% 0.084 86.2)
-
Step 600
600
#8A6F2C
oklch(55.5% 0.091 86.9)
-
Step 700
700
#765D1E
oklch(49.1% 0.086 86.6)
-
Step 800
800
#604C1B
oklch(42.7% 0.071 86.5)
-
Step 900
900
#4E401D
oklch(37.8% 0.055 87.8)
-
Step 950
950 (this color)
#1D1503
oklch(20.1% 0.035 87)
#1D1503 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) | #191502 | 0.009 |
| Deuteranopia (no green cones) | #1B1703 | 0.008 |
| Tritanopia (no blue cones) | #201211 | 0.032 |
| Achromatopsia (no color) | #161616 | 0.035 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1D1503
#1D1503
oklch(20.1% 0.035 87)
- #0F1626
#0F1626
oklch(20.2% 0.034 265.5)
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 #1D1503, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Brown #341C02 ΔE 0.059
- Almost Black #070D0D ΔE 0.062
- Very Dark Brown #1D0200 ΔE 0.066
- Rich Navy #001219 ΔE 0.069
- Rich Black #0D1B2A ΔE 0.072
- Jet #212529 ΔE 0.075
- Chocolate Brown #411900 ΔE 0.085
- Dark #1B2431 ΔE 0.085
Use #1D1503 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.