#6C61BF
Closest named color: Slate Blue (#6A5ACD). oklch(54.8% 0.142 286.1), rgb(108, 97, 191).
Aa
White text reads best on this color (5.12:1).
About this color
#6C61BF is a medium-dark, vivid purple. In OKLCH its lightness is 55%, its chroma 0.142 and its hue 286°. Its hue sits on the cool side of the wheel. The nearest named color is Slate Blue (#6A5ACD), ΔE 0.030 away. White text reads best on it, at 5.12:1.
| Hue family | Purples |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.142) |
| Temperature | cool |
| Nearest name | Slate Blue (#6A5ACD) |
| Black text | 4.09:1 |
| White text | 5.12:1 |
Values
| HEX | #6C61BF |
| RGB | rgb(108, 97, 191) |
| HSL | hsl(247, 42%, 56%) |
| OKLCH | oklch(54.8% 0.142 286.1) |
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 #6C61BF | 5.12:1 | AA | Lc -80.5 | Fine for body text |
| Black text on #6C61BF | 4.09:1 | AA large text | Lc 28.9 | Dividers and decoration only |
| #6C61BF text on white | 5.12:1 | AA | Lc 75.1 | Fine for body text |
| #6C61BF text on black | 4.09:1 | AA large text | Lc -26.6 | 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
#F5F5FB
oklch(97.2% 0.008 286.3)
-
Step 100
100
#E8E8F6
oklch(93.5% 0.019 286)
-
Step 200
200
#D6D6F0
oklch(88.4% 0.036 285.7)
-
Step 300
300
#BCBBE9
oklch(80.8% 0.065 285.9)
-
Step 400
400
#9B97DE
oklch(70.7% 0.103 286)
-
Step 500
500
#847CD4
oklch(63.1% 0.13 286.2)
-
Step 600
600 (this color)
#6C61BF
oklch(54.8% 0.142 286.1)
-
Step 700
700
#5C52A7
oklch(49.1% 0.132 285.8)
-
Step 800
800
#4B4387
oklch(42.6% 0.11 286.1)
-
Step 900
900
#3E396C
oklch(37.6% 0.085 286)
-
Step 950
950
#24223F
oklch(27% 0.053 285.4)
#6C61BF 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) | #3A70C2 | 0.067 |
| Deuteranopia (no green cones) | #386BBD | 0.066 |
| Tritanopia (no blue cones) | #537587 | 0.121 |
| Achromatopsia (no color) | #6E6E6E | 0.142 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6C61BF
#6C61BF
oklch(54.8% 0.142 286.1)
- #7B7400
#7B7400
oklch(54.8% 0.116 105.4)
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 #6C61BF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate Blue #6A5ACD ΔE 0.030
- Dark Periwinkle #665FD1 ΔE 0.030
- Iris #6258C4 ΔE 0.030
- Light Indigo #6D5ACF ΔE 0.032
- Deep Lavender #8D5EB7 ΔE 0.055
- French Blue #436BAD ΔE 0.067
- Warm Blue #4B57DB ΔE 0.072
- Royal Blue #4169E1 ΔE 0.073
Use #6C61BF 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.