#6B59DD
Closest named color: Light Indigo (#6D5ACF). oklch(55.4% 0.193 284.4), rgb(107, 89, 221).
Aa
White text reads best on this color (5.12:1).
About this color
#6B59DD is a medium-dark, vivid purple. In OKLCH its lightness is 55%, its chroma 0.193 and its hue 284°. Its hue sits on the cool side of the wheel. The nearest named color is Light Indigo (#6D5ACF), ΔE 0.022 away. White text reads best on it, at 5.12:1.
| Hue family | Purples |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.193) |
| Temperature | cool |
| Nearest name | Light Indigo (#6D5ACF) |
| Black text | 4.09:1 |
| White text | 5.12:1 |
Values
| HEX | #6B59DD |
| RGB | rgb(107, 89, 221) |
| HSL | hsl(248, 66%, 61%) |
| OKLCH | oklch(55.4% 0.193 284.4) |
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 #6B59DD | 5.12:1 | AA | Lc -80.3 | Fine for body text |
| Black text on #6B59DD | 4.09:1 | AA large text | Lc 29.2 | Dividers and decoration only |
| #6B59DD text on white | 5.12:1 | AA | Lc 74.9 | Content text, not long reading |
| #6B59DD text on black | 4.09:1 | AA large text | Lc -26.8 | 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
#E7E8FB
oklch(93.6% 0.026 283.5)
-
Step 200
200
#D5D5F9
oklch(88.4% 0.049 285.3)
-
Step 300
300
#BAB9F7
oklch(80.8% 0.087 285)
-
Step 400
400
#9793F4
oklch(70.7% 0.14 284.1)
-
Step 500
500
#8075EF
oklch(63.1% 0.177 284.2)
-
Step 600
600 (this color)
#6B59DD
oklch(55.4% 0.193 284.4)
-
Step 700
700
#5A48C0
oklch(49% 0.18 284.4)
-
Step 800
800
#493C9C
oklch(42.7% 0.15 284.2)
-
Step 900
900
#3D357C
oklch(37.8% 0.116 284.5)
-
Step 950
950
#232048
oklch(27% 0.072 283.9)
#6B59DD 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) | #0072E1 | 0.096 |
| Deuteranopia (no green cones) | #0069DA | 0.092 |
| Tritanopia (no blue cones) | #3E7892 | 0.163 |
| Achromatopsia (no color) | #6E6E6E | 0.194 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B59DD
#6B59DD
oklch(55.4% 0.193 284.4)
- #7E7500
#7E7500
oklch(55.3% 0.117 104.2)
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 #6B59DD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Indigo #6D5ACF ΔE 0.022
- Dark Periwinkle #665FD1 ΔE 0.024
- Slate Blue #6A5ACD ΔE 0.025
- Iris #6258C4 ΔE 0.041
- Warm Blue #4B57DB ΔE 0.047
- Purpley #8756E4 ΔE 0.047
- Medium Slate Blue #7B68EE ΔE 0.050
- Neon Blue #4361EE ΔE 0.058
Use #6B59DD 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.