#7F51C1
Closest named color: Light Indigo (#6D5ACF). oklch(54% 0.169 299.7), rgb(127, 81, 193).
Aa
White text reads best on this color (5.45:1).
About this color
#7F51C1 is a medium-dark, vivid purple. In OKLCH its lightness is 54%, its chroma 0.169 and its hue 300°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Indigo (#6D5ACF), ΔE 0.040 away. White text reads best on it, at 5.45:1.
| Hue family | Purples |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.169) |
| Temperature | in between |
| Nearest name | Light Indigo (#6D5ACF) |
| Black text | 3.84:1 |
| White text | 5.45:1 |
Values
| HEX | #7F51C1 |
| RGB | rgb(127, 81, 193) |
| HSL | hsl(265, 47%, 54%) |
| OKLCH | oklch(54% 0.169 299.7) |
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 #7F51C1 | 5.45:1 | AA | Lc -82.2 | Fine for body text |
| Black text on #7F51C1 | 3.84:1 | AA large text | Lc 27.2 | Dividers and decoration only |
| #7F51C1 text on white | 5.45:1 | AA | Lc 76.9 | Fine for body text |
| #7F51C1 text on black | 3.84:1 | AA large text | Lc -24.9 | Dividers and decoration only |
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 600.
-
Step 50
50
#F6F4FB
oklch(97.1% 0.009 299.2)
-
Step 100
100
#ECE7F7
oklch(93.7% 0.022 300.2)
-
Step 200
200
#DDD3F2
oklch(88.4% 0.043 300.2)
-
Step 300
300
#C7B6EB
oklch(80.8% 0.076 299.4)
-
Step 400
400
#AC8EE1
oklch(70.6% 0.122 299.9)
-
Step 500
500
#9870D9
oklch(63.1% 0.156 299.5)
-
Step 600
600 (this color)
#7F51C1
oklch(54% 0.169 299.7)
-
Step 700
700
#6F45AB
oklch(49% 0.158 299.5)
-
Step 800
800
#5B3A8B
oklch(42.8% 0.13 299.7)
-
Step 900
900
#4A326F
oklch(37.6% 0.103 299.6)
-
Step 950
950
#2B1E41
oklch(26.9% 0.064 299.2)
#7F51C1 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) | #1969C5 | 0.125 |
| Deuteranopia (no green cones) | #2E69BE | 0.115 |
| Tritanopia (no blue cones) | #716881 | 0.130 |
| Achromatopsia (no color) | #696969 | 0.171 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7F51C1
#7F51C1
oklch(54% 0.169 299.7)
- #667900
#667900
oklch(54.1% 0.129 120)
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 #7F51C1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Indigo #6D5ACF ΔE 0.040
- Slate Blue #6A5ACD ΔE 0.042
- Deep Lavender #8D5EB7 ΔE 0.046
- Iris #6258C4 ΔE 0.049
- Dark Periwinkle #665FD1 ΔE 0.053
- Purpley #8756E4 ΔE 0.056
- Purply #983FB2 ΔE 0.059
- Amethyst #9B5FC0 ΔE 0.063
Use #7F51C1 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.