#6750A1
Closest named color: Twilight (#4E518B). oklch(49.4% 0.126 294.4), rgb(103, 80, 161).
Aa
White text reads best on this color (6.48:1).
About this color
#6750A1 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 49%, its chroma 0.126 and its hue 294°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.055 away. White text reads best on it, at 6.48:1.
| Hue family | Purples |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.126) |
| Temperature | in between |
| Nearest name | Twilight (#4E518B) |
| Black text | 3.23:1 |
| White text | 6.48:1 |
Values
| HEX | #6750A1 |
| RGB | rgb(103, 80, 161) |
| HSL | hsl(257, 34%, 47%) |
| OKLCH | oklch(49.4% 0.126 294.4) |
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 #6750A1 | 6.48:1 | AA | Lc -87.1 | Fine for body text |
| Black text on #6750A1 | 3.23:1 | AA large text | Lc 22.1 | Dividers and decoration only |
| #6750A1 text on white | 6.48:1 | AA | Lc 82.0 | Fine for body text |
| #6750A1 text on black | 3.23:1 | AA large text | Lc -19.9 | 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
#F6F4FB
oklch(97.1% 0.009 299.2)
-
Step 100
100
#EAE8F5
oklch(93.6% 0.018 293.1)
-
Step 200
200
#DAD5EE
oklch(88.5% 0.034 294.9)
-
Step 300
300
#C2BAE5
oklch(81% 0.061 293.5)
-
Step 400
400
#A495D8
oklch(70.8% 0.098 294)
-
Step 500
500
#8F79CD
oklch(63.1% 0.125 294.6)
-
Step 600
600
#7960BA
oklch(55.5% 0.137 294.3)
-
Step 700
700 (this color)
#6750A1
oklch(49.4% 0.126 294.4)
-
Step 800
800
#534182
oklch(42.6% 0.105 294.2)
-
Step 900
900
#453868
oklch(37.8% 0.081 294.7)
-
Step 950
950
#28213D
oklch(27% 0.052 294.2)
#6750A1 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) | #325FA4 | 0.076 |
| Deuteranopia (no green cones) | #375D9F | 0.071 |
| Tritanopia (no blue cones) | #596071 | 0.102 |
| Achromatopsia (no color) | #5E5E5E | 0.127 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6750A1
#6750A1
oklch(49.4% 0.126 294.4)
- #616800
#616800
oklch(49.4% 0.111 114.3)
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 #6750A1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.055
- Iris #6258C4 ΔE 0.057
- Dusky Blue #475F94 ΔE 0.065
- Rebecca Purple #663399 ΔE 0.067
- Dusk #4E5481 ΔE 0.069
- Slate Blue #6A5ACD ΔE 0.071
- Blueberry #464196 ΔE 0.072
- Bluey Purple #6241C7 ΔE 0.072
Use #6750A1 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.