#6C3E90
Closest named color: Rebecca Purple (#663399). oklch(45.7% 0.135 307.8), rgb(108, 62, 144).
Aa
White text reads best on this color (7.69:1).
About this color
#6C3E90 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 46%, its chroma 0.135 and its hue 308°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.033 away. White text reads best on it, at 7.69:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.135) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.72:1 |
| White text | 7.69:1 |
Values
| HEX | #6C3E90 |
| RGB | rgb(108, 62, 144) |
| HSL | hsl(274, 40%, 40%) |
| OKLCH | oklch(45.7% 0.135 307.8) |
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 #6C3E90 | 7.69:1 | AAA | Lc -91.2 | Preferred for body text |
| Black text on #6C3E90 | 2.72:1 | Fails | Lc 17.6 | Dividers and decoration only |
| #6C3E90 text on white | 7.69:1 | AAA | Lc 86.4 | Fine for body text |
| #6C3E90 text on black | 2.72:1 | Fails | Lc -15.7 | 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 800.
-
Step 50
50
#F7F4FB
oklch(97.1% 0.01 305.4)
-
Step 100
100
#EEE6F6
oklch(93.6% 0.023 308.2)
-
Step 200
200
#E1D2F0
oklch(88.5% 0.044 307.9)
-
Step 300
300
#CFB4E8
oklch(81% 0.077 308.2)
-
Step 400
400
#B68ADD
oklch(70.6% 0.126 307.8)
-
Step 500
500
#A46BD3
oklch(63.1% 0.16 307.8)
-
Step 600
600
#9050C0
oklch(55.7% 0.174 308.1)
-
Step 700
700
#7A40A6
oklch(49.2% 0.162 307.7)
-
Step 800
800 (this color)
#6C3E90
oklch(45.7% 0.135 307.8)
-
Step 900
900
#512F6C
oklch(37.7% 0.106 307.9)
-
Step 950
950
#2F1C3F
oklch(26.9% 0.067 307.6)
#6C3E90 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) | #235193 | 0.110 |
| Deuteranopia (no green cones) | #33548E | 0.099 |
| Tritanopia (no blue cones) | #674D61 | 0.096 |
| Achromatopsia (no color) | #535353 | 0.135 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6C3E90
#6C3E90
oklch(45.7% 0.135 307.8)
- #446300
#446300
oklch(45.8% 0.119 127.8)
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 #6C3E90, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.033
- Light Eggplant #894585 ΔE 0.065
- Dark Slate Blue #483D8B ΔE 0.066
- Blueberry #464196 ΔE 0.068
- Twilight #4E518B ΔE 0.068
- Dusk #4E5481 ΔE 0.080
- Warm Purple #952E8F ΔE 0.082
- Purple #800080 ΔE 0.090
Use #6C3E90 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.