#2B173E
Closest named color: Dark Purple (#35063E). oklch(25.3% 0.073 305.5), rgb(43, 23, 62).
Aa
White text reads best on this color (16.21:1).
About this color
#2B173E is a dark, moderately saturated purple. In OKLCH its lightness is 25%, its chroma 0.073 and its hue 305°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Purple (#35063E), ΔE 0.040 away. White text reads best on it, at 16.21:1.
| Hue family | Purples |
| Lightness | dark (25%) |
| Chroma | moderately saturated (0.073) |
| Temperature | in between |
| Nearest name | Dark Purple (#35063E) |
| Black text | 1.29:1 |
| White text | 16.21:1 |
Values
| HEX | #2B173E |
| RGB | rgb(43, 23, 62) |
| HSL | hsl(271, 46%, 17%) |
| OKLCH | oklch(25.3% 0.073 305.5) |
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 #2B173E | 16.21:1 | AAA | Lc -105.6 | Preferred for body text |
| Black text on #2B173E | 1.29:1 | Fails | Lc 0.0 | Not readable |
| #2B173E text on white | 16.21:1 | AAA | Lc 103.0 | Preferred for body text |
| #2B173E text on black | 1.29:1 | 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
#F7F4FC
oklch(97.2% 0.011 303.1)
-
Step 100
100
#EEE6F8
oklch(93.6% 0.025 305.8)
-
Step 200
200
#E1D2F3
oklch(88.6% 0.047 305.9)
-
Step 300
300
#CEB3EE
oklch(81% 0.086 305.4)
-
Step 400
400
#B588E5
oklch(70.6% 0.139 305.4)
-
Step 500
500
#A467DE
oklch(63.1% 0.179 305.5)
-
Step 600
600
#8F4BCB
oklch(55.6% 0.193 305.4)
-
Step 700
700
#7A3BB0
oklch(49.2% 0.18 305.4)
-
Step 800
800
#63328E
oklch(42.7% 0.148 305.5)
-
Step 900
900
#512D72
oklch(37.8% 0.117 305.6)
-
Step 950
950 (this color)
#2B173E
oklch(25.3% 0.073 305.5)
#2B173E 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) | #09203F | 0.058 |
| Deuteranopia (no green cones) | #10203D | 0.052 |
| Tritanopia (no blue cones) | #281E27 | 0.054 |
| Achromatopsia (no color) | #202020 | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2B173E
#2B173E
oklch(25.3% 0.073 305.5)
- #1B2700
#1B2700
oklch(25.2% 0.064 125.2)
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 #2B173E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Purple #35063E ΔE 0.040
- Eggplant #380835 ΔE 0.043
- Deep Purple #36013F ΔE 0.048
- Aubergine #3D0734 ΔE 0.052
- Midnight Purple #280137 ΔE 0.053
- Oxford Blue #1B263B ΔE 0.054
- Very Dark Purple #2A0134 ΔE 0.054
- Dark #1B2431 ΔE 0.059
Use #2B173E 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.