#7B2791
Closest named color: Dark Magenta (#8B008B). oklch(44.8% 0.175 318.4), rgb(123, 39, 145).
Aa
White text reads best on this color (8.26:1).
About this color
#7B2791 is a dark, vivid purple. In OKLCH its lightness is 45%, its chroma 0.175 and its hue 318°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Magenta (#8B008B), ΔE 0.045 away. White text reads best on it, at 8.26:1.
| Hue family | Purples |
| Lightness | dark (45%) |
| Chroma | vivid (0.175) |
| Temperature | in between |
| Nearest name | Dark Magenta (#8B008B) |
| Black text | 2.54:1 |
| White text | 8.26:1 |
Values
| HEX | #7B2791 |
| RGB | rgb(123, 39, 145) |
| HSL | hsl(288, 58%, 36%) |
| OKLCH | oklch(44.8% 0.175 318.4) |
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 #7B2791 | 8.26:1 | AAA | Lc -92.3 | Preferred for body text |
| Black text on #7B2791 | 2.54:1 | Fails | Lc 16.4 | Dividers and decoration only |
| #7B2791 text on white | 8.26:1 | AAA | Lc 87.6 | Fine for body text |
| #7B2791 text on black | 2.54:1 | Fails | Lc -14.5 | Not readable |
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
#F9F3FC
oklch(97.1% 0.013 314.8)
-
Step 100
100
#F3E4F7
oklch(93.6% 0.03 319.1)
-
Step 200
200
#EACEF2
oklch(88.6% 0.057 318.7)
-
Step 300
300
#DDACEB
oklch(81% 0.101 318.6)
-
Step 400
400
#CB7CE1
oklch(70.7% 0.164 318.6)
-
Step 500
500
#BC55D8
oklch(63.1% 0.208 318.5)
-
Step 600
600
#A832C6
oklch(55.7% 0.227 318.5)
-
Step 700
700
#8F21AB
oklch(49% 0.212 318.2)
-
Step 800
800 (this color)
#7B2791
oklch(44.8% 0.175 318.4)
-
Step 900
900
#5E226F
oklch(37.7% 0.136 318)
-
Step 950
950
#371541
oklch(26.9% 0.087 317.9)
#7B2791 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) | #004994 | 0.170 |
| Deuteranopia (no green cones) | #2C518F | 0.150 |
| Tritanopia (no blue cones) | #7B3C59 | 0.110 |
| Achromatopsia (no color) | #4E4E4E | 0.177 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7B2791
#7B2791
oklch(44.8% 0.175 318.4)
- #246500
#246500
oklch(44.7% 0.139 138.4)
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 #7B2791, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Magenta #8B008B ΔE 0.045
- Purple #800080 ΔE 0.046
- Rebecca Purple #663399 ΔE 0.047
- Warm Purple #952E8F ΔE 0.057
- Grape #7209B7 ΔE 0.073
- Light Eggplant #894585 ΔE 0.076
- Purply #983FB2 ΔE 0.089
- Red Violet #9E0168 ΔE 0.101
Use #7B2791 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.