#2D174F
Closest named color: Dark Indigo (#1F0954). oklch(27% 0.098 297.5), rgb(45, 23, 79).
Aa
White text reads best on this color (15.58:1).
About this color
#2D174F is a dark, moderately saturated purple. In OKLCH its lightness is 27%, its chroma 0.098 and its hue 297°. 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 15.58:1.
| Hue family | Purples |
| Lightness | dark (27%) |
| Chroma | moderately saturated (0.098) |
| Temperature | in between |
| Nearest name | Dark Indigo (#1F0954) |
| Black text | 1.34:1 |
| White text | 15.58:1 |
Values
| HEX | #2D174F |
| RGB | rgb(45, 23, 79) |
| HSL | hsl(264, 55%, 20%) |
| OKLCH | oklch(27% 0.098 297.5) |
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 #2D174F | 15.58:1 | AAA | Lc -104.9 | Preferred for body text |
| Black text on #2D174F | 1.34:1 | Fails | Lc 0.0 | Not readable |
| #2D174F text on white | 15.58:1 | AAA | Lc 102.2 | Preferred for body text |
| #2D174F 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
#DDD1FF
oklch(88.5% 0.064 297)
-
Step 300
300
#C8B1FF
oklch(80.8% 0.111 297.4)
-
Step 400
400
#AE84FF
oklch(70.6% 0.177 297.4)
-
Step 500
500
#9D5DFF
oklch(63.1% 0.229 297.6)
-
Step 600
600
#8A35F3
oklch(55.7% 0.258 297.3)
-
Step 700
700
#7623D3
oklch(49.1% 0.24 297.6)
-
Step 800
800
#5F22AB
oklch(42.7% 0.199 297.1)
-
Step 900
900
#4D2487
oklch(37.6% 0.155 297.2)
-
Step 950
950 (this color)
#2D174F
oklch(27% 0.098 297.5)
#2D174F 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) | #002451 | 0.067 |
| Deuteranopia (no green cones) | #00234E | 0.067 |
| Tritanopia (no blue cones) | #252430 | 0.076 |
| Achromatopsia (no color) | #242424 | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2D174F
#2D174F
oklch(27% 0.098 297.5)
- #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 #2D174F, 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 0.048
- Deep Purple #36013F ΔE 0.054
- Eggplant #380835 ΔE 0.060
- Eggplant Purple #430541 ΔE 0.062
- Aubergine #3D0734 ΔE 0.067
- Midnight Purple #280137 ΔE 0.067
- Deep Violet #490648 ΔE 0.067
Use #2D174F 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.