#731BDD
Closest named color: Burple (#6832E3). oklch(49.2% 0.254 294.9), rgb(115, 27, 221).
Aa
White text reads best on this color (7.16:1).
About this color
#731BDD is a medium-dark, vivid purple. In OKLCH its lightness is 49%, its chroma 0.254 and its hue 295°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Burple (#6832E3), ΔE 0.034 away. White text reads best on it, at 7.16:1.
| Hue family | Purples |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.254) |
| Temperature | in between |
| Nearest name | Burple (#6832E3) |
| Black text | 2.92:1 |
| White text | 7.16:1 |
Values
| HEX | #731BDD |
| RGB | rgb(115, 27, 221) |
| HSL | hsl(267, 78%, 49%) |
| OKLCH | oklch(49.2% 0.254 294.9) |
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 #731BDD | 7.16:1 | AAA | Lc -88.2 | Fine for body text |
| Black text on #731BDD | 2.92:1 | Fails | Lc 20.9 | Dividers and decoration only |
| #731BDD text on white | 7.16:1 | AAA | Lc 83.2 | Fine for body text |
| #731BDD text on black | 2.92:1 | Fails | Lc -18.8 | 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
#F6F4FF
oklch(97.2% 0.015 294.5)
-
Step 100
100
#EBE6FF
oklch(93.6% 0.034 294.9)
-
Step 200
200
#DBD2FF
oklch(88.5% 0.062 294.3)
-
Step 300
300
#C5B3FF
oklch(80.9% 0.107 294.8)
-
Step 400
400
#AA87FF
oklch(70.7% 0.172 295.1)
-
Step 500
500
#9761FF
oklch(63.1% 0.224 294.9)
-
Step 600
600
#872EFD
oklch(55.6% 0.273 295)
-
Step 700
700 (this color)
#731BDD
oklch(49.2% 0.254 294.9)
-
Step 800
800
#5D1DB2
oklch(42.7% 0.21 295)
-
Step 900
900
#4B228D
oklch(37.7% 0.164 294.6)
-
Step 950
950
#2C1652
oklch(27% 0.104 295.4)
#731BDD 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) | #0059E2 | 0.144 |
| Deuteranopia (no green cones) | #0054DA | 0.141 |
| Tritanopia (no blue cones) | #525B83 | 0.194 |
| Achromatopsia (no color) | #585858 | 0.256 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #731BDD
#731BDD
oklch(49.2% 0.254 294.9)
- #606800
#606800
oklch(49.3% 0.112 114.9)
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 #731BDD, closest first.
No curated palette has a color within ΔE 0.04 of #731BDD.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burple #6832E3 ΔE 0.034
- Purply Blue #661AEE ΔE 0.039
- Purple Blue #5D21D0 ΔE 0.045
- Purpley Blue #5F34E7 ΔE 0.049
- Blue Violet #8A2BE2 ΔE 0.051
- Blue Purple #5A06EF ΔE 0.060
- Bluey Purple #6241C7 ΔE 0.063
- Grape #7209B7 ΔE 0.064
Use #731BDD 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.