#25173F
Closest named color: Dark Purple (#35063E). oklch(24.6% 0.074 296.8), rgb(37, 23, 63).
Aa
White text reads best on this color (16.49:1).
About this color
#25173F is a very dark, moderately saturated purple. In OKLCH its lightness is 25%, its chroma 0.074 and its hue 297°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Purple (#35063E), ΔE 0.048 away. White text reads best on it, at 16.49:1.
| Hue family | Purples |
| Lightness | very dark (25%) |
| Chroma | moderately saturated (0.074) |
| Temperature | in between |
| Nearest name | Dark Purple (#35063E) |
| Black text | 1.27:1 |
| White text | 16.49:1 |
Values
| HEX | #25173F |
| RGB | rgb(37, 23, 63) |
| HSL | hsl(261, 47%, 17%) |
| OKLCH | oklch(24.6% 0.074 296.8) |
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 #25173F | 16.49:1 | AAA | Lc -105.8 | Preferred for body text |
| Black text on #25173F | 1.27:1 | Fails | Lc 0.0 | Not readable |
| #25173F text on white | 16.49:1 | AAA | Lc 103.3 | Preferred for body text |
| #25173F text on black | 1.27:1 | 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
#F6F4FD
oklch(97.1% 0.012 296.4)
-
Step 100
100
#EBE7F9
oklch(93.6% 0.024 296.1)
-
Step 200
200
#DCD3F6
oklch(88.5% 0.049 297.2)
-
Step 300
300
#C6B5F3
oklch(80.9% 0.088 297)
-
Step 400
400
#AA8CEC
oklch(70.6% 0.14 297.1)
-
Step 500
500
#966DE6
oklch(63.1% 0.177 296.6)
-
Step 600
600
#8251D4
oklch(55.7% 0.193 296.9)
-
Step 700
700
#6E40B8
oklch(49.1% 0.18 296.8)
-
Step 800
800
#593695
oklch(42.7% 0.149 296.5)
-
Step 900
900
#493077
oklch(37.7% 0.117 296.6)
-
Step 950
950 (this color)
#25173F
oklch(24.6% 0.074 296.8)
#25173F 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) | #051F40 | 0.051 |
| Deuteranopia (no green cones) | #091E3E | 0.047 |
| Tritanopia (no blue cones) | #1F1F28 | 0.057 |
| Achromatopsia (no color) | #1F1F1F | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #25173F
#25173F
oklch(24.6% 0.074 296.8)
- #1F2400
#1F2400
oklch(24.7% 0.057 117.2)
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 #25173F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Purple #35063E ΔE 0.048
- Oxford Blue #1B263B ΔE 0.051
- Dark Indigo #1F0954 ΔE 0.052
- Midnight Purple #280137 ΔE 0.053
- Eggplant #380835 ΔE 0.053
- Very Dark Purple #2A0134 ΔE 0.055
- Deep Purple #36013F ΔE 0.056
- Dark #1B2431 ΔE 0.056
Use #25173F 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.