#6A437F
Closest named color: Twilight (#4E518B). oklch(45.3% 0.104 312.8), rgb(106, 67, 127).
Aa
White text reads best on this color (7.71:1).
About this color
#6A437F is a medium-dark, moderately saturated purple. In OKLCH its lightness is 45%, its chroma 0.104 and its hue 313°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.057 away. White text reads best on it, at 7.71:1.
| Hue family | Purples |
| Lightness | medium-dark (45%) |
| Chroma | moderately saturated (0.104) |
| Temperature | in between |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.72:1 |
| White text | 7.71:1 |
Values
| HEX | #6A437F |
| RGB | rgb(106, 67, 127) |
| HSL | hsl(279, 31%, 38%) |
| OKLCH | oklch(45.3% 0.104 312.8) |
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 #6A437F | 7.71:1 | AAA | Lc -91.4 | Preferred for body text |
| Black text on #6A437F | 2.72:1 | Fails | Lc 17.4 | Dividers and decoration only |
| #6A437F text on white | 7.71:1 | AAA | Lc 86.6 | Fine for body text |
| #6A437F text on black | 2.72:1 | Fails | Lc -15.5 | 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
#E1D3E9
oklch(88.5% 0.033 313.5)
-
Step 300
300
#CEB6DD
oklch(80.9% 0.06 312.4)
-
Step 400
400
#B68FCC
oklch(70.8% 0.097 313)
-
Step 500
500
#A372BF
oklch(63.1% 0.124 312.5)
-
Step 600
600
#8E59AB
oklch(55.6% 0.134 312.6)
-
Step 700
700
#794893
oklch(49.1% 0.126 312.8)
-
Step 800
800 (this color)
#6A437F
oklch(45.3% 0.104 312.8)
-
Step 900
900
#503460
oklch(37.7% 0.08 312.3)
-
Step 950
950
#2F1F38
oklch(27.1% 0.05 312.7)
#6A437F 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) | #375181 | 0.085 |
| Deuteranopia (no green cones) | #41547D | 0.078 |
| Tritanopia (no blue cones) | #684C5B | 0.071 |
| Achromatopsia (no color) | #535353 | 0.105 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6A437F
#6A437F
oklch(45.3% 0.104 312.8)
- #3E621F
#3E621F
oklch(45.3% 0.104 133.1)
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 #6A437F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.057
- Light Eggplant #894585 ΔE 0.060
- Rebecca Purple #663399 ΔE 0.062
- Dusk #4E5481 ΔE 0.062
- Dark Slate Blue #483D8B ΔE 0.069
- Dusty Grape #545775 ΔE 0.070
- Blueberry #464196 ΔE 0.075
- Muted Purple #805B87 ΔE 0.078
Use #6A437F 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.