#17142D
Closest named color: Rich Black (#0D1B2A). oklch(21% 0.048 286.9), rgb(23, 20, 45).
Aa
White text reads best on this color (17.88:1).
About this color
#17142D is a very dark, muted purple. In OKLCH its lightness is 21%, its chroma 0.048 and its hue 287°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.030 away. White text reads best on it, at 17.88:1.
| Hue family | Purples |
| Lightness | very dark (21%) |
| Chroma | muted (0.048) |
| Temperature | cool |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.17:1 |
| White text | 17.88:1 |
Values
| HEX | #17142D |
| RGB | rgb(23, 20, 45) |
| HSL | hsl(247, 38%, 13%) |
| OKLCH | oklch(21% 0.048 286.9) |
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 #17142D | 17.88:1 | AAA | Lc -106.8 | Preferred for body text |
| Black text on #17142D | 1.17:1 | Fails | Lc 0.0 | Not readable |
| #17142D text on white | 17.88:1 | AAA | Lc 104.6 | Preferred for body text |
| #17142D text on black | 1.17:1 | 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
#F5F5FA
oklch(97.2% 0.007 286.3)
-
Step 100
100
#E9E8F5
oklch(93.6% 0.017 289.6)
-
Step 200
200
#D7D6EE
oklch(88.4% 0.033 287.6)
-
Step 300
300
#BDBCE5
oklch(81% 0.057 286.2)
-
Step 400
400
#9C98D7
oklch(70.7% 0.091 286.7)
-
Step 500
500
#857DCC
oklch(63% 0.117 287.2)
-
Step 600
600
#6F65B9
oklch(55.5% 0.127 286.9)
-
Step 700
700
#5D54A0
oklch(49.1% 0.119 286.6)
-
Step 800
800
#4C4581
oklch(42.7% 0.097 286.9)
-
Step 900
900
#3F3A68
oklch(37.6% 0.077 287)
-
Step 950
950 (this color)
#17142D
oklch(21% 0.048 286.9)
#17142D 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) | #0B182E | 0.022 |
| Deuteranopia (no green cones) | #0A172C | 0.023 |
| Tritanopia (no blue cones) | #11191E | 0.040 |
| Achromatopsia (no color) | #171717 | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #17142D
#17142D
oklch(21% 0.048 286.9)
- #1B1900
#1B1900
oklch(20.9% 0.044 105.7)
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 #17142D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.030
- Dark #1B2431 ΔE 0.056
- Rich Navy #001219 ΔE 0.060
- Navy Blue #001146 ΔE 0.061
- Midnight Purple #280137 ΔE 0.062
- Oxford Blue #1B263B ΔE 0.063
- Very Dark Purple #2A0134 ΔE 0.063
- Jet #212529 ΔE 0.067
Use #17142D 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.