#2B173F
Closest named color: Dark Purple (#35063E). oklch(25.4% 0.075 304.7), rgb(43, 23, 63).
Aa
White text reads best on this color (16.19:1).
About this color
#2B173F is a dark, moderately saturated purple. In OKLCH its lightness is 25%, its chroma 0.075 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 16.19:1.
| Hue family | Purples |
| Lightness | dark (25%) |
| Chroma | moderately saturated (0.075) |
| Temperature | in between |
| Nearest name | Dark Purple (#35063E) |
| Black text | 1.29:1 |
| White text | 16.19:1 |
Values
| HEX | #2B173F |
| RGB | rgb(43, 23, 63) |
| HSL | hsl(270, 47%, 17%) |
| OKLCH | oklch(25.4% 0.075 304.7) |
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 #2B173F | 16.19:1 | AAA | Lc -105.5 | Preferred for body text |
| Black text on #2B173F | 1.29:1 | Fails | Lc 0.0 | Not readable |
| #2B173F text on white | 16.19:1 | AAA | Lc 103.0 | Preferred for body text |
| #2B173F 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
#E0D2F4
oklch(88.6% 0.048 304.1)
-
Step 300
300
#CDB3EF
oklch(80.9% 0.087 304.3)
-
Step 400
400
#B588E7
oklch(70.7% 0.142 304.9)
-
Step 500
500
#A367E0
oklch(63.1% 0.181 304.6)
-
Step 600
600
#8F4ACE
oklch(55.7% 0.198 304.8)
-
Step 700
700
#793AB2
oklch(49.1% 0.183 304.5)
-
Step 800
800
#633190
oklch(42.7% 0.152 305)
-
Step 900
900
#502D73
oklch(37.7% 0.118 304.4)
-
Step 950
950 (this color)
#2B173F
oklch(25.4% 0.075 304.7)
#2B173F 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) | #082040 | 0.059 |
| Deuteranopia (no green cones) | #0F213E | 0.054 |
| Tritanopia (no blue cones) | #281F28 | 0.056 |
| Achromatopsia (no color) | #212121 | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2B173F
#2B173F
oklch(25.4% 0.075 304.7)
- #1C2700
#1C2700
oklch(25.3% 0.063 124.2)
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 #2B173F, 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 0.044
- Deep Purple #36013F ΔE 0.048
- Aubergine #3D0734 ΔE 0.052
- Midnight Purple #280137 ΔE 0.054
- Oxford Blue #1B263B ΔE 0.054
- Very Dark Purple #2A0134 ΔE 0.054
- Dark Indigo #1F0954 ΔE 0.058
Use #2B173F 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.