#6B5BDA
Closest named color: Light Indigo (#6D5ACF). oklch(55.5% 0.187 284.2), rgb(107, 91, 218).
Aa
White text reads best on this color (5.07:1).
About this color
#6B5BDA is a medium-dark, vivid purple. In OKLCH its lightness is 56%, its chroma 0.187 and its hue 284°. Its hue sits on the cool side of the wheel. The nearest named color is Light Indigo (#6D5ACF), ΔE 0.017 away. White text reads best on it, at 5.07:1.
| Hue family | Purples |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.187) |
| Temperature | cool |
| Nearest name | Light Indigo (#6D5ACF) |
| Black text | 4.13:1 |
| White text | 5.07:1 |
Values
| HEX | #6B5BDA |
| RGB | rgb(107, 91, 218) |
| HSL | hsl(248, 63%, 61%) |
| OKLCH | oklch(55.5% 0.187 284.2) |
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 #6B5BDA | 5.07:1 | AA | Lc -80.1 | Fine for body text |
| Black text on #6B5BDA | 4.13:1 | AA large text | Lc 29.4 | Dividers and decoration only |
| #6B5BDA text on white | 5.07:1 | AA | Lc 74.7 | Content text, not long reading |
| #6B5BDA text on black | 4.13:1 | AA large text | Lc -27.0 | 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
#F4F5FD
oklch(97.2% 0.011 280.5)
-
Step 100
100
#E7E8FA
oklch(93.6% 0.024 283.4)
-
Step 200
200
#D5D6F8
oklch(88.6% 0.047 284.1)
-
Step 300
300
#BABAF6
oklch(81% 0.084 284.4)
-
Step 400
400
#9794F1
oklch(70.8% 0.134 283.9)
-
Step 500
500
#8076EC
oklch(63.1% 0.172 284.2)
-
Step 600
600 (this color)
#6B5BDA
oklch(55.5% 0.187 284.2)
-
Step 700
700
#5A4ABD
oklch(49.1% 0.173 284.4)
-
Step 800
800
#493E99
oklch(42.8% 0.143 284.1)
-
Step 900
900
#3D367A
oklch(37.8% 0.112 284.4)
-
Step 950
950
#232047
oklch(27% 0.07 284.1)
#6B5BDA 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) | #0072DE | 0.094 |
| Deuteranopia (no green cones) | #006AD7 | 0.091 |
| Tritanopia (no blue cones) | #407892 | 0.156 |
| Achromatopsia (no color) | #6E6E6E | 0.188 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B5BDA
#6B5BDA
oklch(55.5% 0.187 284.2)
- #7F7600
#7F7600
oklch(55.6% 0.118 104.3)
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 #6B5BDA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Indigo #6D5ACF ΔE 0.017
- Dark Periwinkle #665FD1 ΔE 0.018
- Slate Blue #6A5ACD ΔE 0.020
- Iris #6258C4 ΔE 0.037
- Warm Blue #4B57DB ΔE 0.048
- Purpley #8756E4 ΔE 0.048
- Medium Slate Blue #7B68EE ΔE 0.050
- Royal Blue #4169E1 ΔE 0.058
Use #6B5BDA 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.