#6445C1
Closest named color: Bluey Purple (#6241C7). oklch(49.5% 0.184 289.4), rgb(100, 69, 193).
Aa
White text reads best on this color (6.63:1).
About this color
#6445C1 is a medium-dark, vivid purple. In OKLCH its lightness is 50%, its chroma 0.184 and its hue 289°. Its hue sits on the cool side of the wheel. The nearest named color is Bluey Purple (#6241C7), ΔE 0.013 away. White text reads best on it, at 6.63:1.
| Hue family | Purples |
| Lightness | medium-dark (50%) |
| Chroma | vivid (0.184) |
| Temperature | cool |
| Nearest name | Bluey Purple (#6241C7) |
| Black text | 3.16:1 |
| White text | 6.63:1 |
Values
| HEX | #6445C1 |
| RGB | rgb(100, 69, 193) |
| HSL | hsl(255, 50%, 51%) |
| OKLCH | oklch(49.5% 0.184 289.4) |
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 #6445C1 | 6.63:1 | AA | Lc -87.4 | Fine for body text |
| Black text on #6445C1 | 3.16:1 | AA large text | Lc 21.7 | Dividers and decoration only |
| #6445C1 text on white | 6.63:1 | AA | Lc 82.3 | Fine for body text |
| #6445C1 text on black | 3.16:1 | AA large text | Lc -19.6 | 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
#F5F4FD
oklch(97% 0.012 291.3)
-
Step 100
100
#E9E7FB
oklch(93.5% 0.027 290.5)
-
Step 200
200
#D8D4F9
oklch(88.5% 0.051 290.3)
-
Step 300
300
#BFB7F7
oklch(80.8% 0.09 290)
-
Step 400
400
#9F90F3
oklch(70.7% 0.142 289.2)
-
Step 500
500
#8A70EE
oklch(63% 0.182 289.6)
-
Step 600
600
#7555DD
oklch(55.7% 0.198 289.2)
-
Step 700
700 (this color)
#6445C1
oklch(49.5% 0.184 289.4)
-
Step 800
800
#50399B
oklch(42.7% 0.152 289.1)
-
Step 900
900
#42327B
oklch(37.6% 0.119 289.5)
-
Step 950
950
#261E48
oklch(26.9% 0.075 289.1)
#6445C1 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) | #005FC5 | 0.102 |
| Deuteranopia (no green cones) | #0059BE | 0.100 |
| Tritanopia (no blue cones) | #45637D | 0.150 |
| Achromatopsia (no color) | #5C5C5C | 0.185 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6445C1
#6445C1
oklch(49.5% 0.184 289.4)
- #676600
#676600
oklch(49.5% 0.107 109.1)
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 #6445C1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluey Purple #6241C7 ΔE 0.013
- Blue With A Hint Of Purple #533CC6 ΔE 0.037
- Blurple #5539CC ΔE 0.041
- Iris #6258C4 ΔE 0.043
- Slate Blue #6A5ACD ΔE 0.052
- Light Indigo #6D5ACF ΔE 0.054
- Burple #6832E3 ΔE 0.060
- Dark Periwinkle #665FD1 ΔE 0.063
Use #6445C1 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.