#671FA4
Closest named color: Rebecca Purple (#663399). oklch(42.8% 0.195 303.2), rgb(103, 31, 164).
Aa
White text reads best on this color (9.09:1).
About this color
#671FA4 is a dark, vivid purple. In OKLCH its lightness is 43%, its chroma 0.195 and its hue 303°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.037 away. White text reads best on it, at 9.09:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | vivid (0.195) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.30:1 |
| White text | 9.09:1 |
Values
| HEX | #671FA4 |
| RGB | rgb(103, 31, 164) |
| HSL | hsl(272, 68%, 38%) |
| OKLCH | oklch(42.8% 0.195 303.2) |
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 #671FA4 | 9.09:1 | AAA | Lc -94.3 | Preferred for body text |
| Black text on #671FA4 | 2.30:1 | Fails | Lc 14.2 | Not readable |
| #671FA4 text on white | 9.09:1 | AAA | Lc 89.8 | Fine for body text |
| #671FA4 text on black | 2.30:1 | Fails | Lc -12.5 | 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 800.
-
Step 50
50
#F7F3FE
oklch(97% 0.015 302.6)
-
Step 100
100
#EEE5FD
oklch(93.6% 0.033 302.7)
-
Step 200
200
#E1D0FC
oklch(88.5% 0.062 302.7)
-
Step 300
300
#D0AEFD
oklch(80.8% 0.115 303.7)
-
Step 400
400
#B97FFC
oklch(70.7% 0.183 303.5)
-
Step 500
500
#A857FA
oklch(63.1% 0.233 303.1)
-
Step 600
600
#9430E9
oklch(55.5% 0.254 303.1)
-
Step 700
700
#7F1FCA
oklch(49.1% 0.236 303.4)
-
Step 800
800 (this color)
#671FA4
oklch(42.8% 0.195 303.2)
-
Step 900
900
#532282
oklch(37.7% 0.153 303)
-
Step 950
950
#31164C
oklch(27.1% 0.096 303.6)
#671FA4 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) | #0047A8 | 0.138 |
| Deuteranopia (no green cones) | #0048A1 | 0.140 |
| Tritanopia (no blue cones) | #5A4362 | 0.140 |
| Achromatopsia (no color) | #484848 | 0.197 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #671FA4
#671FA4
oklch(42.8% 0.195 303.2)
- #445800
#445800
oklch(42.8% 0.106 123.5)
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 #671FA4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.037
- Grape #7209B7 ΔE 0.038
- Chrysanthemum #560BAD ΔE 0.046
- Imperial Purple #480CA8 ΔE 0.071
- Purple Blue #5D21D0 ΔE 0.076
- Violet Blue #510AC9 ΔE 0.080
- Bluey Purple #6241C7 ΔE 0.082
- Blue With A Hint Of Purple #533CC6 ΔE 0.082
Use #671FA4 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.