#171503
Closest named color: Almost Black (#070D0D). oklch(19.3% 0.034 103.7), rgb(23, 21, 3).
Aa
White text reads best on this color (18.34:1).
About this color
#171503 is a very dark, muted brown. In OKLCH its lightness is 19%, its chroma 0.034 and its hue 104°. Its hue sits on the warm side of the wheel. The nearest named color is Almost Black (#070D0D), ΔE 0.054 away. White text reads best on it, at 18.34:1.
| Hue family | Browns |
| Lightness | very dark (19%) |
| Chroma | muted (0.034) |
| Temperature | warm |
| Nearest name | Almost Black (#070D0D) |
| Black text | 1.14:1 |
| White text | 18.34:1 |
Values
| HEX | #171503 |
| RGB | rgb(23, 21, 3) |
| HSL | hsl(54, 77%, 5%) |
| OKLCH | oklch(19.3% 0.034 103.7) |
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 #171503 | 18.34:1 | AAA | Lc -107.1 | Preferred for body text |
| Black text on #171503 | 1.14:1 | Fails | Lc 0.0 | Not readable |
| #171503 text on white | 18.34:1 | AAA | Lc 105.0 | Preferred for body text |
| #171503 text on black | 1.14:1 | 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
#F6F6F2
oklch(97.2% 0.005 106.5)
-
Step 100
100
#EBEAE2
oklch(93.6% 0.011 100.8)
-
Step 200
200
#DBDACA
oklch(88.5% 0.022 103.9)
-
Step 300
300
#C5C2A5
oklch(80.9% 0.04 102.4)
-
Step 400
400
#A7A374
oklch(70.7% 0.064 103.8)
-
Step 500
500
#928C4F
oklch(63.1% 0.082 103.5)
-
Step 600
600
#7C7632
oklch(55.7% 0.09 104.3)
-
Step 700
700
#696325
oklch(49.2% 0.083 103.8)
-
Step 800
800
#555120
oklch(42.8% 0.069 104.6)
-
Step 900
900
#464320
oklch(37.7% 0.053 104.3)
-
Step 950
950 (this color)
#171503
oklch(19.3% 0.034 103.7)
#171503 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) | #181402 | 0.004 |
| Deuteranopia (no green cones) | #181504 | 0.003 |
| Tritanopia (no blue cones) | #191311 | 0.031 |
| Achromatopsia (no color) | #151515 | 0.034 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #171503
#171503
oklch(19.3% 0.034 103.7)
- #121223
#121223
oklch(19.2% 0.034 282.7)
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 #171503, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Almost Black #070D0D ΔE 0.054
- Rich Navy #001219 ΔE 0.061
- Very Dark Brown #1D0200 ΔE 0.067
- Dark Brown #341C02 ΔE 0.070
- Rich Black #0D1B2A ΔE 0.071
- Jet #212529 ΔE 0.081
- Dark #1B2431 ΔE 0.089
- Dark Forest Green #002D04 ΔE 0.090
Use #171503 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.