#6750B7
Closest named color: Iris (#6258C4). oklch(50.8% 0.156 290), rgb(103, 80, 183).
Aa
White text reads best on this color (6.16:1).
About this color
#6750B7 is a medium-dark, vivid purple. In OKLCH its lightness is 51%, its chroma 0.156 and its hue 290°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.027 away. White text reads best on it, at 6.16:1.
| Hue family | Purples |
| Lightness | medium-dark (51%) |
| Chroma | vivid (0.156) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.40:1 |
| White text | 6.16:1 |
Values
| HEX | #6750B7 |
| RGB | rgb(103, 80, 183) |
| HSL | hsl(253, 42%, 52%) |
| OKLCH | oklch(50.8% 0.156 290) |
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 #6750B7 | 6.16:1 | AA | Lc -85.6 | Fine for body text |
| Black text on #6750B7 | 3.40:1 | AA large text | Lc 23.6 | Dividers and decoration only |
| #6750B7 text on white | 6.16:1 | AA | Lc 80.4 | Fine for body text |
| #6750B7 text on black | 3.40:1 | AA large text | Lc -21.4 | 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
#E9E8F8
oklch(93.6% 0.021 288.9)
-
Step 200
200
#D8D5F4
oklch(88.5% 0.042 289.9)
-
Step 300
300
#BFB9EF
oklch(80.9% 0.076 289.7)
-
Step 400
400
#A093E7
oklch(70.8% 0.121 290)
-
Step 500
500
#8A76DF
oklch(63.2% 0.154 290)
-
Step 600
600
#755CCD
oklch(55.7% 0.168 290)
-
Step 700
700 (this color)
#6750B7
oklch(50.8% 0.156 290)
-
Step 800
800
#503E90
oklch(42.7% 0.13 289.9)
-
Step 900
900
#423673
oklch(37.8% 0.101 289.7)
-
Step 950
950
#262043
oklch(27% 0.064 289.3)
#6750B7 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) | #1663BA | 0.092 |
| Deuteranopia (no green cones) | #1B5FB5 | 0.090 |
| Tritanopia (no blue cones) | #50667C | 0.127 |
| Achromatopsia (no color) | #616161 | 0.157 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6750B7
#6750B7
oklch(50.8% 0.156 290)
- #6A6A00
#6A6A00
oklch(50.8% 0.111 109.8)
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 #6750B7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.027
- Slate Blue #6A5ACD ΔE 0.040
- Bluey Purple #6241C7 ΔE 0.044
- Light Indigo #6D5ACF ΔE 0.044
- Dark Periwinkle #665FD1 ΔE 0.051
- Blue With A Hint Of Purple #533CC6 ΔE 0.063
- Warm Blue #4B57DB ΔE 0.069
- Blurple #5539CC ΔE 0.069
Use #6750B7 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.