#2A173A
Closest named color: Dark Purple (#35063E). oklch(24.9% 0.067 307.3), rgb(42, 23, 58).
Aa
White text reads best on this color (16.37:1).
About this color
#2A173A is a very dark, muted purple. In OKLCH its lightness is 25%, its chroma 0.067 and its hue 307°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Purple (#35063E), ΔE 0.042 away. White text reads best on it, at 16.37:1.
| Hue family | Purples |
| Lightness | very dark (25%) |
| Chroma | muted (0.067) |
| Temperature | in between |
| Nearest name | Dark Purple (#35063E) |
| Black text | 1.28:1 |
| White text | 16.37:1 |
Values
| HEX | #2A173A |
| RGB | rgb(42, 23, 58) |
| HSL | hsl(273, 43%, 16%) |
| OKLCH | oklch(24.9% 0.067 307.3) |
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 #2A173A | 16.37:1 | AAA | Lc -105.7 | Preferred for body text |
| Black text on #2A173A | 1.28:1 | Fails | Lc 0.0 | Not readable |
| #2A173A text on white | 16.37:1 | AAA | Lc 103.2 | Preferred for body text |
| #2A173A text on black | 1.28:1 | 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
#F7F4FB
oklch(97.1% 0.01 305.4)
-
Step 100
100
#EEE6F6
oklch(93.6% 0.023 308.2)
-
Step 200
200
#E1D2F0
oklch(88.5% 0.044 307.9)
-
Step 300
300
#CEB3E9
oklch(80.8% 0.08 307.4)
-
Step 400
400
#B68ADE
oklch(70.7% 0.128 307.5)
-
Step 500
500
#A46AD5
oklch(63.1% 0.164 307.4)
-
Step 600
600
#8F4FC2
oklch(55.6% 0.177 307.2)
-
Step 700
700
#7A3FA7
oklch(49.1% 0.164 307.6)
-
Step 800
800
#633588
oklch(42.7% 0.136 307.1)
-
Step 900
900
#512F6D
oklch(37.8% 0.107 307.4)
-
Step 950
950 (this color)
#2A173A
oklch(24.9% 0.067 307.3)
#2A173A 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) | #0D1F3B | 0.053 |
| Deuteranopia (no green cones) | #122039 | 0.049 |
| Tritanopia (no blue cones) | #281D25 | 0.049 |
| Achromatopsia (no color) | #202020 | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2A173A
#2A173A
oklch(24.9% 0.067 307.3)
- #192700
#192700
oklch(25% 0.065 127.3)
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 #2A173A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Purple #35063E ΔE 0.042
- Eggplant #380835 ΔE 0.043
- Deep Purple #36013F ΔE 0.051
- Aubergine #3D0734 ΔE 0.052
- Oxford Blue #1B263B ΔE 0.052
- Very Dark Purple #2A0134 ΔE 0.053
- Midnight Purple #280137 ΔE 0.053
- Dark #1B2431 ΔE 0.054
Use #2A173A 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.