#6743BE
Closest named color: Bluey Purple (#6241C7). oklch(49.3% 0.183 291.7), rgb(103, 67, 190).
Aa
White text reads best on this color (6.72:1).
About this color
#6743BE is a medium-dark, vivid purple. In OKLCH its lightness is 49%, its chroma 0.183 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 0.018 away. White text reads best on it, at 6.72:1.
| Hue family | Purples |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.183) |
| Temperature | in between |
| Nearest name | Bluey Purple (#6241C7) |
| Black text | 3.12:1 |
| White text | 6.72:1 |
Values
| HEX | #6743BE |
| RGB | rgb(103, 67, 190) |
| HSL | hsl(258, 49%, 50%) |
| OKLCH | oklch(49.3% 0.183 291.7) |
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 #6743BE | 6.72:1 | AA | Lc -87.7 | Fine for body text |
| Black text on #6743BE | 3.12:1 | AA large text | Lc 21.4 | Dividers and decoration only |
| #6743BE text on white | 6.72:1 | AA | Lc 82.6 | Fine for body text |
| #6743BE text on black | 3.12:1 | AA large text | Lc -19.3 | 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
#EAE7FA
oklch(93.6% 0.026 293.1)
-
Step 200
200
#D9D4F8
oklch(88.5% 0.049 291.7)
-
Step 300
300
#C1B7F6
oklch(81% 0.088 291.6)
-
Step 400
400
#A38FF1
oklch(70.8% 0.141 291.8)
-
Step 500
500
#8E6FEC
oklch(63.1% 0.181 291.8)
-
Step 600
600
#7953DA
oklch(55.5% 0.197 291.7)
-
Step 700
700 (this color)
#6743BE
oklch(49.3% 0.183 291.7)
-
Step 800
800
#533899
oklch(42.7% 0.151 291.5)
-
Step 900
900
#44327A
oklch(37.7% 0.118 291.2)
-
Step 950
950
#281E47
oklch(27% 0.074 292)
#6743BE 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) | #005EC2 | 0.108 |
| Deuteranopia (no green cones) | #0059BB | 0.107 |
| Tritanopia (no blue cones) | #4D607A | 0.147 |
| Achromatopsia (no color) | #5C5C5C | 0.184 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6743BE
#6743BE
oklch(49.3% 0.183 291.7)
- #636600
#636600
oklch(49.1% 0.109 111.8)
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 #6743BE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluey Purple #6241C7 ΔE 0.018
- Blue With A Hint Of Purple #533CC6 ΔE 0.041
- Blurple #5539CC ΔE 0.045
- Iris #6258C4 ΔE 0.047
- Slate Blue #6A5ACD ΔE 0.056
- Light Indigo #6D5ACF ΔE 0.058
- Burple #6832E3 ΔE 0.063
- Purple Blue #5D21D0 ΔE 0.065
Use #6743BE 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.