#2D174E
Closest named color: Dark Indigo (#1F0954). oklch(26.9% 0.097 298), rgb(45, 23, 78).
Aa
White text reads best on this color (15.62:1).
About this color
#2D174E is a dark, moderately saturated purple. In OKLCH its lightness is 27%, its chroma 0.097 and its hue 298°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Indigo (#1F0954), ΔE 0.045 away. White text reads best on it, at 15.62:1.
| Hue family | Purples |
| Lightness | dark (27%) |
| Chroma | moderately saturated (0.097) |
| Temperature | in between |
| Nearest name | Dark Indigo (#1F0954) |
| Black text | 1.34:1 |
| White text | 15.62:1 |
Values
| HEX | #2D174E |
| RGB | rgb(45, 23, 78) |
| HSL | hsl(264, 54%, 20%) |
| OKLCH | oklch(26.9% 0.097 298) |
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 #2D174E | 15.62:1 | AAA | Lc -105.0 | Preferred for body text |
| Black text on #2D174E | 1.34:1 | Fails | Lc 0.0 | Not readable |
| #2D174E text on white | 15.62:1 | AAA | Lc 102.3 | Preferred for body text |
| #2D174E text on black | 1.34:1 | 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
#F6F3FF
oklch(97% 0.016 297.5)
-
Step 100
100
#ECE6FE
oklch(93.7% 0.033 297.2)
-
Step 200
200
#DED1FE
oklch(88.6% 0.063 298.3)
-
Step 300
300
#C9B1FF
oklch(80.9% 0.111 298)
-
Step 400
400
#AF84FF
oklch(70.7% 0.177 297.9)
-
Step 500
500
#9E5CFF
oklch(63.1% 0.231 298.1)
-
Step 600
600
#8B36F0
oklch(55.6% 0.254 298.1)
-
Step 700
700
#7625D1
oklch(49.1% 0.236 297.9)
-
Step 800
800
#6023A9
oklch(42.7% 0.196 298)
-
Step 900
900
#4E2586
oklch(37.8% 0.153 298)
-
Step 950
950 (this color)
#2D174E
oklch(26.9% 0.097 298)
#2D174E 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) | #002450 | 0.068 |
| Deuteranopia (no green cones) | #00234D | 0.068 |
| Tritanopia (no blue cones) | #252330 | 0.073 |
| Achromatopsia (no color) | #232323 | 0.097 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2D174E
#2D174E
oklch(26.9% 0.097 298)
- #242A00
#242A00
oklch(27% 0.063 117.7)
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 #2D174E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Indigo #1F0954 ΔE 0.045
- Dark Purple #35063E ΔE 0.047
- Deep Purple #36013F ΔE 0.053
- Eggplant #380835 ΔE 0.059
- Eggplant Purple #430541 ΔE 0.061
- Aubergine #3D0734 ΔE 0.065
- Midnight Purple #280137 ΔE 0.066
- Oxford Blue #1B263B ΔE 0.067
Use #2D174E 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.