#78409C
Closest named color: Rebecca Purple (#663399). oklch(48.3% 0.15 310), rgb(120, 64, 156).
Aa
White text reads best on this color (6.97:1).
About this color
#78409C is a medium-dark, vivid purple. In OKLCH its lightness is 48%, its chroma 0.150 and its hue 310°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.047 away. White text reads best on it, at 6.97:1.
| Hue family | Purples |
| Lightness | medium-dark (48%) |
| Chroma | vivid (0.150) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 3.01:1 |
| White text | 6.97:1 |
Values
| HEX | #78409C |
| RGB | rgb(120, 64, 156) |
| HSL | hsl(277, 42%, 43%) |
| OKLCH | oklch(48.3% 0.15 310) |
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 #78409C | 6.97:1 | AA | Lc -88.7 | Fine for body text |
| Black text on #78409C | 3.01:1 | AA large text | Lc 20.3 | Dividers and decoration only |
| #78409C text on white | 6.97:1 | AA | Lc 83.7 | Fine for body text |
| #78409C text on black | 3.01:1 | AA large text | Lc -18.2 | 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 700.
-
Step 50
50
#F7F4FA
oklch(97.1% 0.009 308.4)
-
Step 100
100
#EEE6F5
oklch(93.6% 0.022 309.6)
-
Step 200
200
#E1D2EE
oklch(88.4% 0.041 309.4)
-
Step 300
300
#CFB4E4
oklch(80.9% 0.072 310.1)
-
Step 400
400
#B78CD7
oklch(70.8% 0.116 309.9)
-
Step 500
500
#A56DCB
oklch(63.1% 0.147 310.3)
-
Step 600
600
#9053B8
oklch(55.6% 0.16 310.1)
-
Step 700
700 (this color)
#78409C
oklch(48.3% 0.15 310)
-
Step 800
800
#643781
oklch(42.7% 0.125 310.2)
-
Step 900
900
#513167
oklch(37.7% 0.095 309.9)
-
Step 950
950
#301D3C
oklch(27% 0.061 311.2)
#78409C 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) | #20579F | 0.129 |
| Deuteranopia (no green cones) | #365A9A | 0.114 |
| Tritanopia (no blue cones) | #735168 | 0.104 |
| Achromatopsia (no color) | #595959 | 0.151 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #78409C
#78409C
oklch(48.3% 0.15 310)
- #456C00
#456C00
oklch(48.3% 0.13 130)
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 #78409C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.047
- Light Eggplant #894585 ΔE 0.055
- Warm Purple #952E8F ΔE 0.064
- Purply #983FB2 ΔE 0.069
- Bluey Purple #6241C7 ΔE 0.081
- Muted Purple #805B87 ΔE 0.085
- Iris #6258C4 ΔE 0.085
- Twilight #4E518B ΔE 0.086
Use #78409C 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.