#171030
Closest named color: Rich Black (#0D1B2A). oklch(20.3% 0.061 289.9), rgb(23, 16, 48).
Aa
White text reads best on this color (18.20:1).
About this color
#171030 is a very dark, muted purple. In OKLCH its lightness is 20%, its chroma 0.061 and its hue 290°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.043 away. White text reads best on it, at 18.20:1.
| Hue family | Purples |
| Lightness | very dark (20%) |
| Chroma | muted (0.061) |
| Temperature | cool |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.15:1 |
| White text | 18.20:1 |
Values
| HEX | #171030 |
| RGB | rgb(23, 16, 48) |
| HSL | hsl(253, 50%, 13%) |
| OKLCH | oklch(20.3% 0.061 289.9) |
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 #171030 | 18.20:1 | AAA | Lc -106.9 | Preferred for body text |
| Black text on #171030 | 1.15:1 | Fails | Lc 0.0 | Not readable |
| #171030 text on white | 18.20:1 | AAA | Lc 104.8 | Preferred for body text |
| #171030 text on black | 1.15:1 | 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
#F5F4FC
oklch(97% 0.011 292)
-
Step 100
100
#E9E8F7
oklch(93.6% 0.02 289.1)
-
Step 200
200
#D8D5F3
oklch(88.5% 0.041 290.1)
-
Step 300
300
#BFB9ED
oklch(80.8% 0.073 289.9)
-
Step 400
400
#A094E4
oklch(70.8% 0.116 290)
-
Step 500
500
#8977DC
oklch(63.1% 0.148 289.6)
-
Step 600
600
#745DC9
oklch(55.5% 0.161 289.9)
-
Step 700
700
#624CAE
oklch(49% 0.15 290.1)
-
Step 800
800
#503F8D
oklch(42.7% 0.124 290.2)
-
Step 900
900
#423671
oklch(37.7% 0.098 290.3)
-
Step 950
950 (this color)
#171030
oklch(20.3% 0.061 289.9)
#171030 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) | #021631 | 0.036 |
| Deuteranopia (no green cones) | #03152F | 0.035 |
| Tritanopia (no blue cones) | #10171D | 0.051 |
| Achromatopsia (no color) | #151515 | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #171030
#171030
oklch(20.3% 0.061 289.9)
- #181800
#181800
oklch(20.2% 0.044 109.8)
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 #171030, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.043
- Midnight Purple #280137 ΔE 0.052
- Very Dark Purple #2A0134 ΔE 0.054
- Navy Blue #001146 ΔE 0.056
- Dark Navy #000435 ΔE 0.065
- Rich Navy #001219 ΔE 0.066
- Night Blue #040348 ΔE 0.068
- Dark #1B2431 ΔE 0.068
Use #171030 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.