#170E23
Closest named color: Rich Black (#0D1B2A). oklch(18.8% 0.043 302.2), rgb(23, 14, 35).
Aa
White text reads best on this color (18.69:1).
About this color
#170E23 is a very dark, muted purple. In OKLCH its lightness is 19%, its chroma 0.043 and its hue 302°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.046 away. White text reads best on it, at 18.69:1.
| Hue family | Purples |
| Lightness | very dark (19%) |
| Chroma | muted (0.043) |
| Temperature | in between |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.12:1 |
| White text | 18.69:1 |
Values
| HEX | #170E23 |
| RGB | rgb(23, 14, 35) |
| HSL | hsl(266, 43%, 10%) |
| OKLCH | oklch(18.8% 0.043 302.2) |
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 #170E23 | 18.69:1 | AAA | Lc -107.2 | Preferred for body text |
| Black text on #170E23 | 1.12:1 | Fails | Lc 0.0 | Not readable |
| #170E23 text on white | 18.69:1 | AAA | Lc 105.2 | Preferred for body text |
| #170E23 text on black | 1.12:1 | 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
#F6F4F9
oklch(97% 0.007 304.2)
-
Step 100
100
#EBE8F2
oklch(93.6% 0.014 299.8)
-
Step 200
200
#DCD5E9
oklch(88.5% 0.028 301.7)
-
Step 300
300
#C6B9DD
oklch(80.8% 0.052 301.7)
-
Step 400
400
#AA95CB
oklch(70.8% 0.081 302.2)
-
Step 500
500
#957ABE
oklch(63.1% 0.104 301.8)
-
Step 600
600
#8062AA
oklch(55.6% 0.113 302.1)
-
Step 700
700
#6C5192
oklch(49.2% 0.105 301.8)
-
Step 800
800
#584276
oklch(42.6% 0.087 302.4)
-
Step 900
900
#48385F
oklch(37.6% 0.068 302.1)
-
Step 950
950 (this color)
#170E23
oklch(18.8% 0.043 302.2)
#170E23 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) | #081224 | 0.030 |
| Deuteranopia (no green cones) | #0A1222 | 0.027 |
| Tritanopia (no blue cones) | #151216 | 0.034 |
| Achromatopsia (no color) | #121212 | 0.043 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #170E23
#170E23
oklch(18.8% 0.043 302.2)
- #101601
#101601
oklch(18.7% 0.043 122.2)
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 #170E23, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.046
- Rich Navy #001219 ΔE 0.052
- Almost Black #070D0D ΔE 0.059
- Very Dark Purple #2A0134 ΔE 0.063
- Midnight Purple #280137 ΔE 0.063
- Midnight #03012D ΔE 0.072
- Dark Navy #000435 ΔE 0.073
- Dark #1B2431 ΔE 0.076
Use #170E23 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.