#6751B5
Closest named color: Iris (#6258C4). oklch(50.9% 0.152 290), rgb(103, 81, 181).
Aa
White text reads best on this color (6.13:1).
About this color
#6751B5 is a medium-dark, vivid purple. In OKLCH its lightness is 51%, its chroma 0.152 and its hue 290°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.028 away. White text reads best on it, at 6.13:1.
| Hue family | Purples |
| Lightness | medium-dark (51%) |
| Chroma | vivid (0.152) |
| Temperature | in between |
| Nearest name | Iris (#6258C4) |
| Black text | 3.42:1 |
| White text | 6.13:1 |
Values
| HEX | #6751B5 |
| RGB | rgb(103, 81, 181) |
| HSL | hsl(253, 40%, 51%) |
| OKLCH | oklch(50.9% 0.152 290) |
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 #6751B5 | 6.13:1 | AA | Lc -85.5 | Fine for body text |
| Black text on #6751B5 | 3.42:1 | AA large text | Lc 23.7 | Dividers and decoration only |
| #6751B5 text on white | 6.13:1 | AA | Lc 80.4 | Fine for body text |
| #6751B5 text on black | 3.42:1 | AA large text | Lc -21.5 | 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
#D8D5F3
oklch(88.5% 0.041 290.1)
-
Step 300
300
#BFB9EE
oklch(80.9% 0.074 289.8)
-
Step 400
400
#A093E5
oklch(70.7% 0.118 290.3)
-
Step 500
500
#8A76DD
oklch(63% 0.151 290.3)
-
Step 600
600
#755DCB
oklch(55.7% 0.164 290.1)
-
Step 700
700 (this color)
#6751B5
oklch(50.9% 0.152 290)
-
Step 800
800
#503F8E
oklch(42.8% 0.126 289.9)
-
Step 900
900
#423671
oklch(37.7% 0.098 290.3)
-
Step 950
950
#262042
oklch(26.9% 0.062 289.7)
#6751B5 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) | #1D63B8 | 0.089 |
| Deuteranopia (no green cones) | #215FB3 | 0.086 |
| Tritanopia (no blue cones) | #51667B | 0.124 |
| Achromatopsia (no color) | #626262 | 0.153 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6751B5
#6751B5
oklch(50.9% 0.152 290)
- #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 #6751B5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.028
- Slate Blue #6A5ACD ΔE 0.042
- Light Indigo #6D5ACF ΔE 0.046
- Bluey Purple #6241C7 ΔE 0.048
- Dark Periwinkle #665FD1 ΔE 0.052
- Blue With A Hint Of Purple #533CC6 ΔE 0.067
- Warm Blue #4B57DB ΔE 0.071
- Blurple #5539CC ΔE 0.073
Use #6751B5 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.