#170507
Closest named color: Very Dark Brown (#1D0200). oklch(15% 0.035 13.4), rgb(23, 5, 7).
Aa
White text reads best on this color (19.78:1).
About this color
#170507 is a very dark, muted red. In OKLCH its lightness is 15%, its chroma 0.035 and its hue 13°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.025 away. White text reads best on it, at 19.78:1.
| Hue family | Reds |
| Lightness | very dark (15%) |
| Chroma | muted (0.035) |
| Temperature | warm |
| Nearest name | Very Dark Brown (#1D0200) |
| Black text | 1.06:1 |
| White text | 19.78:1 |
Values
| HEX | #170507 |
| RGB | rgb(23, 5, 7) |
| HSL | hsl(353, 64%, 5%) |
| OKLCH | oklch(15% 0.035 13.4) |
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 #170507 | 19.78:1 | AAA | Lc -107.6 | Preferred for body text |
| Black text on #170507 | 1.06:1 | Fails | Lc 0.0 | Not readable |
| #170507 text on white | 19.78:1 | AAA | Lc 105.7 | Preferred for body text |
| #170507 text on black | 1.06:1 | 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
#F9F4F4
oklch(97.1% 0.005 17.2)
-
Step 100
100
#F2E7E7
oklch(93.7% 0.012 17.4)
-
Step 200
200
#E8D3D5
oklch(88.5% 0.023 11)
-
Step 300
300
#DAB6B9
oklch(80.9% 0.042 12.4)
-
Step 400
400
#C69095
oklch(70.7% 0.066 12.7)
-
Step 500
500
#B6747B
oklch(63.1% 0.084 12.8)
-
Step 600
600
#A15C64
oklch(55.6% 0.091 13)
-
Step 700
700
#8A4B52
oklch(49% 0.085 13.6)
-
Step 800
800
#703E44
oklch(42.7% 0.07 12.8)
-
Step 900
900
#5B3539
oklch(37.7% 0.055 13.2)
-
Step 950
950 (this color)
#170507
oklch(15% 0.035 13.4)
#170507 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) | #080807 | 0.038 |
| Deuteranopia (no green cones) | #0D0C07 | 0.036 |
| Tritanopia (no blue cones) | #1A0306 | 0.010 |
| Achromatopsia (no color) | #0A0A0A | 0.035 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #170507
#170507
oklch(15% 0.035 13.4)
- #000E0E
#000E0E
oklch(14.8% 0.025 194.8)
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 #170507, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Brown #1D0200 ΔE 0.025
- Almost Black #070D0D ΔE 0.045
- Rich Navy #001219 ΔE 0.067
- Rich Black #0D1B2A ΔE 0.092
- Dark Maroon #3C0008 ΔE 0.094
- Midnight #03012D ΔE 0.102
- Very Dark Purple #2A0134 ΔE 0.103
- Dark Navy Blue #00022E ΔE 0.106
Use #170507 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.