#6304B9
Closest named color: Chrysanthemum (#560BAD). oklch(42.8% 0.23 297.3), rgb(99, 4, 185).
Aa
White text reads best on this color (9.33:1).
About this color
#6304B9 is a dark, vivid purple. In OKLCH its lightness is 43%, its chroma 0.230 and its hue 297°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Chrysanthemum (#560BAD), ΔE 0.032 away. White text reads best on it, at 9.33:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | vivid (0.230) |
| Temperature | in between |
| Nearest name | Chrysanthemum (#560BAD) |
| Black text | 2.24:1 |
| White text | 9.33:1 |
Values
| HEX | #6304B9 |
| RGB | rgb(99, 4, 185) |
| HSL | hsl(271, 96%, 37%) |
| OKLCH | oklch(42.8% 0.23 297.3) |
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 #6304B9 | 9.33:1 | AAA | Lc -93.9 | Preferred for body text |
| Black text on #6304B9 | 2.24:1 | Fails | Lc 14.6 | Not readable |
| #6304B9 text on white | 9.33:1 | AAA | Lc 89.4 | Fine for body text |
| #6304B9 text on black | 2.24:1 | Fails | Lc -12.8 | 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
#F6F3FF
oklch(97% 0.016 297.5)
-
Step 100
100
#ECE5FF
oklch(93.5% 0.036 298)
-
Step 200
200
#DDD1FF
oklch(88.5% 0.064 297)
-
Step 300
300
#C8B2FF
oklch(81% 0.109 297)
-
Step 400
400
#AE85FF
oklch(70.8% 0.175 297.2)
-
Step 500
500
#9C5EFF
oklch(63.1% 0.228 297.1)
-
Step 600
600
#8D21FF
oklch(55.6% 0.283 297.3)
-
Step 700
700
#7900E0
oklch(49.2% 0.266 297.4)
-
Step 800
800 (this color)
#6304B9
oklch(42.8% 0.23 297.3)
-
Step 900
900
#501992
oklch(37.8% 0.179 297.3)
-
Step 950
950
#2E1255
oklch(26.9% 0.113 297.2)
#6304B9 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) | #0047BD | 0.136 |
| Deuteranopia (no green cones) | #0045B6 | 0.136 |
| Tritanopia (no blue cones) | #4B476C | 0.170 |
| Achromatopsia (no color) | #474747 | 0.231 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6304B9
#6304B9
oklch(42.8% 0.23 297.3)
- #4C5600
#4C5600
oklch(42.9% 0.099 117.2)
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 #6304B9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chrysanthemum #560BAD ΔE 0.032
- Grape #7209B7 ΔE 0.033
- Violet Blue #510AC9 ΔE 0.048
- Purple Blue #5D21D0 ΔE 0.049
- Imperial Purple #480CA8 ΔE 0.060
- Blurple #5539CC ΔE 0.072
- Rebecca Purple #663399 ΔE 0.073
- Blue With A Hint Of Purple #533CC6 ΔE 0.074
Use #6304B9 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.