#6447B0
Closest named color: Bluey Purple (#6241C7). oklch(48.5% 0.16 292.1), rgb(100, 71, 176).
Aa
White text reads best on this color (6.84:1).
About this color
#6447B0 is a medium-dark, vivid purple. In OKLCH its lightness is 49%, its chroma 0.160 and its hue 292°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Bluey Purple (#6241C7), ΔE 0.039 away. White text reads best on it, at 6.84:1.
| Hue family | Purples |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.160) |
| Temperature | in between |
| Nearest name | Bluey Purple (#6241C7) |
| Black text | 3.07:1 |
| White text | 6.84:1 |
Values
| HEX | #6447B0 |
| RGB | rgb(100, 71, 176) |
| HSL | hsl(257, 43%, 48%) |
| OKLCH | oklch(48.5% 0.16 292.1) |
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 #6447B0 | 6.84:1 | AA | Lc -88.3 | Fine for body text |
| Black text on #6447B0 | 3.07:1 | AA large text | Lc 20.8 | Dividers and decoration only |
| #6447B0 text on white | 6.84:1 | AA | Lc 83.3 | Fine for body text |
| #6447B0 text on black | 3.07:1 | AA large text | Lc -18.7 | 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
#F5F4FC
oklch(97% 0.011 292)
-
Step 100
100
#EAE7F8
oklch(93.5% 0.023 294.1)
-
Step 200
200
#D9D5F4
oklch(88.6% 0.042 291.4)
-
Step 300
300
#C1B8EF
oklch(80.9% 0.077 292.1)
-
Step 400
400
#A391E7
oklch(70.7% 0.124 292.5)
-
Step 500
500
#8D74E0
oklch(63.1% 0.158 291.9)
-
Step 600
600
#785ACE
oklch(55.7% 0.172 291.8)
-
Step 700
700 (this color)
#6447B0
oklch(48.5% 0.16 292.1)
-
Step 800
800
#533C90
oklch(42.7% 0.133 292.5)
-
Step 900
900
#443573
oklch(37.8% 0.103 291.9)
-
Step 950
950
#281F43
oklch(27% 0.065 293)
#6447B0 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) | #005CB3 | 0.102 |
| Deuteranopia (no green cones) | #0758AE | 0.099 |
| Tritanopia (no blue cones) | #4F5E74 | 0.129 |
| Achromatopsia (no color) | #5B5B5B | 0.161 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6447B0
#6447B0
oklch(48.5% 0.16 292.1)
- #616400
#616400
oklch(48.4% 0.107 111.8)
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 #6447B0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluey Purple #6241C7 ΔE 0.039
- Iris #6258C4 ΔE 0.048
- Blue With A Hint Of Purple #533CC6 ΔE 0.053
- Rebecca Purple #663399 ΔE 0.055
- Blurple #5539CC ΔE 0.061
- Slate Blue #6A5ACD ΔE 0.062
- Light Indigo #6D5ACF ΔE 0.066
- Blueberry #464196 ΔE 0.068
Use #6447B0 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.