#473091
Closest named color: Dark Slate Blue (#483D8B). oklch(39.6% 0.152 288.4), rgb(71, 48, 145).
Aa
White text reads best on this color (10.00:1).
About this color
#473091 is a dark, vivid purple. In OKLCH its lightness is 40%, its chroma 0.152 and its hue 288°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.033 away. White text reads best on it, at 10.00:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | vivid (0.152) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.09:1 |
| White text | 10.00:1 |
Values
| HEX | #473091 |
| RGB | rgb(71, 48, 145) |
| HSL | hsl(254, 50%, 38%) |
| OKLCH | oklch(39.6% 0.152 288.4) |
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 #473091 | 10.00:1 | AAA | Lc -96.9 | Preferred for body text |
| Black text on #473091 | 2.09:1 | Fails | Lc 11.2 | Not readable |
| #473091 text on white | 10.00:1 | AAA | Lc 92.7 | Preferred for body text |
| #473091 text on black | 2.09:1 | Fails | Lc -9.7 | 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 900.
-
Step 50
50
#F5F4FF
oklch(97.1% 0.015 290.3)
-
Step 100
100
#E8E7FF
oklch(93.6% 0.032 287.7)
-
Step 200
200
#D7D4FF
oklch(88.6% 0.059 288.3)
-
Step 300
300
#BDB6FF
oklch(80.8% 0.102 288.3)
-
Step 400
400
#9E8DFF
oklch(70.8% 0.163 288.4)
-
Step 500
500
#896AFF
oklch(63.1% 0.212 288.4)
-
Step 600
600
#7742FA
oklch(55.7% 0.253 288.5)
-
Step 700
700
#6431DA
oklch(49.1% 0.235 288.1)
-
Step 800
800
#512BB0
oklch(42.6% 0.195 288.2)
-
Step 900
900 (this color)
#473091
oklch(39.6% 0.152 288.4)
-
Step 950
950
#261A51
oklch(26.9% 0.096 288.2)
#473091 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) | #004494 | 0.080 |
| Deuteranopia (no green cones) | #00408F | 0.078 |
| Tritanopia (no blue cones) | #2D485C | 0.124 |
| Achromatopsia (no color) | #424242 | 0.153 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #473091
#473091
oklch(39.6% 0.152 288.4)
- #4B4900
#4B4900
oklch(39.4% 0.085 107.9)
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 #473091, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.033
- Blueberry #464196 ΔE 0.040
- Imperial Purple #480CA8 ΔE 0.060
- Rebecca Purple #663399 ΔE 0.061
- Chrysanthemum #560BAD ΔE 0.066
- Sapphire #2138AB ΔE 0.069
- Indigo Blue #3A18B1 ΔE 0.069
- Indigo #4B0082 ΔE 0.074
Use #473091 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.