#6E3899
Closest named color: Rebecca Purple (#663399). oklch(45.7% 0.155 306.9), rgb(110, 56, 153).
Aa
White text reads best on this color (7.81:1).
About this color
#6E3899 is a medium-dark, vivid purple. In OKLCH its lightness is 46%, its chroma 0.155 and its hue 307°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.020 away. White text reads best on it, at 7.81:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | vivid (0.155) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.68:1 |
| White text | 7.81:1 |
Values
| HEX | #6E3899 |
| RGB | rgb(110, 56, 153) |
| HSL | hsl(273, 46%, 41%) |
| OKLCH | oklch(45.7% 0.155 306.9) |
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 #6E3899 | 7.81:1 | AAA | Lc -91.4 | Preferred for body text |
| Black text on #6E3899 | 2.68:1 | Fails | Lc 17.4 | Dividers and decoration only |
| #6E3899 text on white | 7.81:1 | AAA | Lc 86.6 | Fine for body text |
| #6E3899 text on black | 2.68:1 | 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
#F7F3FC
oklch(97% 0.013 306)
-
Step 100
100
#EEE6F8
oklch(93.6% 0.025 305.8)
-
Step 200
200
#E2D1F4
oklch(88.5% 0.051 307.2)
-
Step 300
300
#D0B2EF
oklch(81% 0.09 306.9)
-
Step 400
400
#B886E7
oklch(70.6% 0.146 306.8)
-
Step 500
500
#A764DF
oklch(63.1% 0.185 307)
-
Step 600
600
#9247CD
oklch(55.6% 0.201 306.7)
-
Step 700
700
#7D37B1
oklch(49.1% 0.187 307.1)
-
Step 800
800 (this color)
#6E3899
oklch(45.7% 0.155 306.9)
-
Step 900
900
#532B73
oklch(37.8% 0.122 307.1)
-
Step 950
950
#301A43
oklch(26.9% 0.077 306.7)
#6E3899 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) | #00509C | 0.133 |
| Deuteranopia (no green cones) | #255297 | 0.118 |
| Tritanopia (no blue cones) | #674C63 | 0.111 |
| Achromatopsia (no color) | #525252 | 0.156 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6E3899
#6E3899
oklch(45.7% 0.155 306.9)
- #456200
#456200
oklch(45.6% 0.118 127)
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 #6E3899, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.020
- Blueberry #464196 ΔE 0.072
- Dark Slate Blue #483D8B ΔE 0.073
- Grape #7209B7 ΔE 0.074
- Light Eggplant #894585 ΔE 0.075
- Bluey Purple #6241C7 ΔE 0.079
- Warm Purple #952E8F ΔE 0.079
- Purple #800080 ΔE 0.083
Use #6E3899 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.