#170A25
Closest named color: Midnight Purple (#280137). oklch(18.1% 0.055 303.6), rgb(23, 10, 37).
Aa
White text reads best on this color (18.97:1).
About this color
#170A25 is a very dark, muted purple. In OKLCH its lightness is 18%, its chroma 0.055 and its hue 304°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Midnight Purple (#280137), ΔE 0.056 away. White text reads best on it, at 18.97:1.
| Hue family | Purples |
| Lightness | very dark (18%) |
| Chroma | muted (0.055) |
| Temperature | in between |
| Nearest name | Midnight Purple (#280137) |
| Black text | 1.10:1 |
| White text | 18.97:1 |
Values
| HEX | #170A25 |
| RGB | rgb(23, 10, 37) |
| HSL | hsl(269, 57%, 9%) |
| OKLCH | oklch(18.1% 0.055 303.6) |
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 #170A25 | 18.97:1 | AAA | Lc -107.3 | Preferred for body text |
| Black text on #170A25 | 1.10:1 | Fails | Lc 0.0 | Not readable |
| #170A25 text on white | 18.97:1 | AAA | Lc 105.3 | Preferred for body text |
| #170A25 text on black | 1.10:1 | 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
#F6F4FA
oklch(97% 0.008 301.4)
-
Step 100
100
#ECE7F4
oklch(93.6% 0.018 303.4)
-
Step 200
200
#DED4ED
oklch(88.6% 0.036 303.8)
-
Step 300
300
#C9B7E3
oklch(80.9% 0.064 303.6)
-
Step 400
400
#AE90D5
oklch(70.6% 0.103 303.8)
-
Step 500
500
#9B73CA
oklch(63% 0.133 304)
-
Step 600
600
#865AB7
oklch(55.6% 0.144 303.9)
-
Step 700
700
#714A9E
oklch(49.2% 0.134 303.3)
-
Step 800
800
#5C3D80
oklch(42.7% 0.111 303.4)
-
Step 900
900
#4B3567
oklch(37.8% 0.086 302.8)
-
Step 950
950 (this color)
#170A25
oklch(18.1% 0.055 303.6)
#170A25 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) | #021026 | 0.043 |
| Deuteranopia (no green cones) | #051024 | 0.038 |
| Tritanopia (no blue cones) | #140F16 | 0.039 |
| Achromatopsia (no color) | #101010 | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #170A25
#170A25
oklch(18.1% 0.055 303.6)
- #0E1500
#0E1500
oklch(18.2% 0.045 123.7)
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 #170A25, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Purple #280137 ΔE 0.056
- Very Dark Purple #2A0134 ΔE 0.056
- Rich Black #0D1B2A ΔE 0.057
- Rich Navy #001219 ΔE 0.060
- Midnight #03012D ΔE 0.064
- Almost Black #070D0D ΔE 0.065
- Dark Navy #000435 ΔE 0.067
- Dark Navy Blue #00022E ΔE 0.070
Use #170A25 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.