#6331DA
Closest named color: Burple (#6832E3). oklch(49% 0.235 287.8), rgb(99, 49, 218).
Aa
White text reads best on this color (7.04:1).
About this color
#6331DA is a medium-dark, vivid purple. In OKLCH its lightness is 49%, its chroma 0.235 and its hue 288°. Its hue sits on the cool side of the wheel. The nearest named color is Burple (#6832E3), ΔE 0.017 away. White text reads best on it, at 7.04:1.
| Hue family | Purples |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.235) |
| Temperature | cool |
| Nearest name | Burple (#6832E3) |
| Black text | 2.98:1 |
| White text | 7.04:1 |
Values
| HEX | #6331DA |
| RGB | rgb(99, 49, 218) |
| HSL | hsl(258, 70%, 52%) |
| OKLCH | oklch(49% 0.235 287.8) |
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 #6331DA | 7.04:1 | AAA | Lc -88.3 | Fine for body text |
| Black text on #6331DA | 2.98:1 | Fails | Lc 20.7 | Dividers and decoration only |
| #6331DA text on white | 7.04:1 | AAA | Lc 83.3 | Fine for body text |
| #6331DA text on black | 2.98:1 | Fails | Lc -18.6 | 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
#F5F4FF
oklch(97.1% 0.015 290.3)
-
Step 100
100
#E8E7FF
oklch(93.6% 0.032 287.7)
-
Step 200
200
#D6D4FF
oklch(88.5% 0.059 287.3)
-
Step 300
300
#BDB7FF
oklch(81% 0.101 287.7)
-
Step 400
400
#9D8DFF
oklch(70.7% 0.163 287.9)
-
Step 500
500
#886BFF
oklch(63.2% 0.21 287.8)
-
Step 600
600
#7543FA
oklch(55.6% 0.252 287.7)
-
Step 700
700 (this color)
#6331DA
oklch(49% 0.235 287.8)
-
Step 800
800
#502CB0
oklch(42.7% 0.194 287.6)
-
Step 900
900
#422B8B
oklch(37.8% 0.151 288)
-
Step 950
950
#261A52
oklch(27% 0.097 287.9)
#6331DA 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) | #005CDF | 0.112 |
| Deuteranopia (no green cones) | #0054D7 | 0.106 |
| Tritanopia (no blue cones) | #2F6285 | 0.190 |
| Achromatopsia (no color) | #595959 | 0.236 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6331DA
#6331DA
oklch(49% 0.235 287.8)
- #676400
#676400
oklch(49% 0.105 107.7)
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 #6331DA, closest first.
No curated palette has a color within ΔE 0.04 of #6331DA.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burple #6832E3 ΔE 0.017
- Purpley Blue #5F34E7 ΔE 0.023
- Purple Blue #5D21D0 ΔE 0.031
- Blurple #5539CC ΔE 0.032
- Purply Blue #661AEE ΔE 0.036
- Bluey Purple #6241C7 ΔE 0.038
- Blue With A Hint Of Purple #533CC6 ΔE 0.042
- Blue Purple #5A06EF ΔE 0.050
Use #6331DA 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.