#6B447C
Closest named color: Twilight (#4E518B). oklch(45.5% 0.099 315), rgb(107, 68, 124).
Aa
White text reads best on this color (7.65:1).
About this color
#6B447C is a medium-dark, moderately saturated purple. In OKLCH its lightness is 45%, its chroma 0.099 and its hue 315°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.059 away. White text reads best on it, at 7.65:1.
| Hue family | Purples |
| Lightness | medium-dark (45%) |
| Chroma | moderately saturated (0.099) |
| Temperature | in between |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.74:1 |
| White text | 7.65:1 |
Values
| HEX | #6B447C |
| RGB | rgb(107, 68, 124) |
| HSL | hsl(282, 29%, 38%) |
| OKLCH | oklch(45.5% 0.099 315) |
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 #6B447C | 7.65:1 | AAA | Lc -91.2 | Preferred for body text |
| Black text on #6B447C | 2.74:1 | Fails | Lc 17.6 | Dividers and decoration only |
| #6B447C text on white | 7.65:1 | AAA | Lc 86.4 | Fine for body text |
| #6B447C text on black | 2.74:1 | 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
#F7F4F9
oklch(97.1% 0.007 312.3)
-
Step 100
100
#EEE7F2
oklch(93.7% 0.016 313.6)
-
Step 200
200
#E1D3E8
oklch(88.4% 0.032 314.7)
-
Step 300
300
#CFB6DB
oklch(80.9% 0.058 314.8)
-
Step 400
400
#B68FC8
oklch(70.6% 0.092 314.9)
-
Step 500
500
#A472BA
oklch(63% 0.118 315.1)
-
Step 600
600
#8F5AA6
oklch(55.6% 0.127 315)
-
Step 700
700
#7A498F
oklch(49.1% 0.12 315)
-
Step 800
800 (this color)
#6B447C
oklch(45.5% 0.099 315)
-
Step 900
900
#51345D
oklch(37.7% 0.076 315.5)
-
Step 950
950
#2F1F37
oklch(27% 0.048 313.9)
#6B447C 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) | #3A517E | 0.082 |
| Deuteranopia (no green cones) | #44547A | 0.074 |
| Tritanopia (no blue cones) | #6A4C5A | 0.067 |
| Achromatopsia (no color) | #535353 | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B447C
#6B447C
oklch(45.5% 0.099 315)
- #3D6226
#3D6226
oklch(45.4% 0.098 135.1)
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 #6B447C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.059
- Light Eggplant #894585 ΔE 0.059
- Dusk #4E5481 ΔE 0.061
- Dusty Grape #545775 ΔE 0.066
- Rebecca Purple #663399 ΔE 0.068
- Dark Slate Blue #483D8B ΔE 0.073
- Muted Purple #805B87 ΔE 0.075
- Dull Purple #84597E ΔE 0.076
Use #6B447C 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.