#6343BF
Closest named color: Bluey Purple (#6241C7). oklch(49% 0.184 289.7), rgb(99, 67, 191).
Aa
White text reads best on this color (6.80:1).
About this color
#6343BF is a medium-dark, vivid purple. In OKLCH its lightness is 49%, its chroma 0.184 and its hue 290°. 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 6.80:1.
| Hue family | Purples |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.184) |
| Temperature | cool |
| Nearest name | Bluey Purple (#6241C7) |
| Black text | 3.08:1 |
| White text | 6.80:1 |
Values
| HEX | #6343BF |
| RGB | rgb(99, 67, 191) |
| HSL | hsl(255, 49%, 51%) |
| OKLCH | oklch(49% 0.184 289.7) |
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 #6343BF | 6.80:1 | AA | Lc -88.0 | Fine for body text |
| Black text on #6343BF | 3.08:1 | AA large text | Lc 21.1 | Dividers and decoration only |
| #6343BF text on white | 6.80:1 | AA | Lc 83.0 | Fine for body text |
| #6343BF text on black | 3.08:1 | AA large text | Lc -19.0 | 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
#D8D4F8
oklch(88.4% 0.049 290.4)
-
Step 300
300
#BFB7F7
oklch(80.8% 0.09 290)
-
Step 400
400
#A090F3
oklch(70.8% 0.142 289.7)
-
Step 500
500
#8A70EE
oklch(63% 0.182 289.6)
-
Step 600
600
#7654DD
oklch(55.6% 0.199 289.8)
-
Step 700
700 (this color)
#6343BF
oklch(49% 0.184 289.7)
-
Step 800
800
#51399B
oklch(42.8% 0.152 289.7)
-
Step 900
900
#42327B
oklch(37.6% 0.119 289.5)
-
Step 950
950
#271E48
oklch(27% 0.075 290.3)
#6343BF 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) | #005DC3 | 0.102 |
| Deuteranopia (no green cones) | #0058BC | 0.100 |
| Tritanopia (no blue cones) | #45617B | 0.149 |
| Achromatopsia (no color) | #5B5B5B | 0.185 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6343BF
#6343BF
oklch(49% 0.184 289.7)
- #656500
#656500
oklch(49.1% 0.107 109.8)
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 #6343BF, 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 0.035
- Blurple #5539CC ΔE 0.039
- Iris #6258C4 ΔE 0.047
- Slate Blue #6A5ACD ΔE 0.057
- Light Indigo #6D5ACF ΔE 0.060
- Purple Blue #5D21D0 ΔE 0.061
- Burple #6832E3 ΔE 0.061
Use #6343BF 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.