#17040C
Closest named color: Very Dark Brown (#1D0200). oklch(14.9% 0.04 354), rgb(23, 4, 12).
Aa
White text reads best on this color (19.82:1).
About this color
#17040C is a very dark, muted red. In OKLCH its lightness is 15%, its chroma 0.040 and its hue 354°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.035 away. White text reads best on it, at 19.82:1.
| Hue family | Reds |
| Lightness | very dark (15%) |
| Chroma | muted (0.040) |
| Temperature | warm |
| Nearest name | Very Dark Brown (#1D0200) |
| Black text | 1.05:1 |
| White text | 19.82:1 |
Values
| HEX | #17040C |
| RGB | rgb(23, 4, 12) |
| HSL | hsl(335, 70%, 5%) |
| OKLCH | oklch(14.9% 0.04 354) |
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 #17040C | 19.82:1 | AAA | Lc -107.6 | Preferred for body text |
| Black text on #17040C | 1.05:1 | Fails | Lc 0.0 | Not readable |
| #17040C text on white | 19.82:1 | AAA | Lc 105.7 | Preferred for body text |
| #17040C 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
#F9F4F6
oklch(97.2% 0.006 350.8)
-
Step 100
100
#F2E6EA
oklch(93.6% 0.014 355)
-
Step 200
200
#E8D2DA
oklch(88.4% 0.027 353.6)
-
Step 300
300
#DAB5C3
oklch(81% 0.046 353.5)
-
Step 400
400
#C78DA4
oklch(70.7% 0.076 353.7)
-
Step 500
500
#B7708D
oklch(63% 0.097 354.2)
-
Step 600
600
#A25877
oklch(55.6% 0.104 354.5)
-
Step 700
700
#8B4764
oklch(49.1% 0.098 354.4)
-
Step 800
800
#713B52
oklch(42.7% 0.081 354.1)
-
Step 900
900
#5B3344
oklch(37.7% 0.062 353.5)
-
Step 950
950 (this color)
#17040C
oklch(14.9% 0.04 354)
#17040C 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) | #06080C | 0.044 |
| Deuteranopia (no green cones) | #0B0B0C | 0.039 |
| Tritanopia (no blue cones) | #190307 | 0.012 |
| Achromatopsia (no color) | #0A0A0A | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #17040C
#17040C
oklch(14.9% 0.04 354)
- #000F0A
#000F0A
oklch(15% 0.029 173.1)
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 #17040C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Brown #1D0200 ΔE 0.035
- Almost Black #070D0D ΔE 0.049
- Rich Navy #001219 ΔE 0.068
- Rich Black #0D1B2A ΔE 0.091
- Midnight #03012D ΔE 0.092
- Very Dark Purple #2A0134 ΔE 0.093
- Dark Maroon #3C0008 ΔE 0.096
- Midnight Purple #280137 ΔE 0.096
Use #17040C 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.