#170504
Closest named color: Very Dark Brown (#1D0200). oklch(14.8% 0.035 27), rgb(23, 5, 4).
Aa
White text reads best on this color (19.81:1).
About this color
#170504 is a very dark, muted red. In OKLCH its lightness is 15%, its chroma 0.035 and its hue 27°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.020 away. White text reads best on it, at 19.81:1.
| Hue family | Reds |
| Lightness | very dark (15%) |
| Chroma | muted (0.035) |
| Temperature | warm |
| Nearest name | Very Dark Brown (#1D0200) |
| Black text | 1.05:1 |
| White text | 19.81:1 |
Values
| HEX | #170504 |
| RGB | rgb(23, 5, 4) |
| HSL | hsl(3, 70%, 5%) |
| OKLCH | oklch(14.8% 0.035 27) |
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 #170504 | 19.81:1 | AAA | Lc -107.6 | Preferred for body text |
| Black text on #170504 | 1.05:1 | Fails | Lc 0.0 | Not readable |
| #170504 text on white | 19.81:1 | AAA | Lc 105.7 | Preferred for body text |
| #170504 text on black | 1.05:1 | 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
#F9F4F3
oklch(97.1% 0.006 31.1)
-
Step 100
100
#F2E7E5
oklch(93.6% 0.012 29.9)
-
Step 200
200
#E8D4D1
oklch(88.5% 0.023 27.8)
-
Step 300
300
#DAB7B2
oklch(80.9% 0.041 27.6)
-
Step 400
400
#C7918A
oklch(70.7% 0.067 27.2)
-
Step 500
500
#B7756E
oklch(63% 0.085 26.3)
-
Step 600
600
#A25D56
oklch(55.5% 0.092 26.6)
-
Step 700
700
#8B4C46
oklch(49% 0.086 26.4)
-
Step 800
800
#713F3A
oklch(42.7% 0.071 26.5)
-
Step 900
900
#5C3631
oklch(37.8% 0.056 28.1)
-
Step 950
950 (this color)
#170504
oklch(14.8% 0.035 27)
#170504 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) | #090804 | 0.036 |
| Deuteranopia (no green cones) | #0D0B04 | 0.033 |
| Tritanopia (no blue cones) | #1A0305 | 0.012 |
| Achromatopsia (no color) | #0A0A0A | 0.035 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #170504
#170504
oklch(14.8% 0.035 27)
- #000E10
#000E10
oklch(14.9% 0.025 204.5)
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 #170504, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Brown #1D0200 ΔE 0.020
- Almost Black #070D0D ΔE 0.045
- Rich Navy #001219 ΔE 0.069
- Dark Maroon #3C0008 ΔE 0.095
- Rich Black #0D1B2A ΔE 0.095
- Deep Brown #410200 ΔE 0.108
- Midnight #03012D ΔE 0.108
- Very Dark Purple #2A0134 ΔE 0.111
Use #170504 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.