#6748A1
Closest named color: Rebecca Purple (#663399). oklch(48% 0.139 296.9), rgb(103, 72, 161).
Aa
White text reads best on this color (6.95:1).
About this color
#6748A1 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 48%, its chroma 0.139 and its hue 297°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.048 away. White text reads best on it, at 6.95:1.
| Hue family | Purples |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.139) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 3.01:1 |
| White text | 6.95:1 |
Values
| HEX | #6748A1 |
| RGB | rgb(103, 72, 161) |
| HSL | hsl(261, 38%, 46%) |
| OKLCH | oklch(48% 0.139 296.9) |
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 #6748A1 | 6.95:1 | AA | Lc -88.8 | Fine for body text |
| Black text on #6748A1 | 3.01:1 | AA large text | Lc 20.2 | Dividers and decoration only |
| #6748A1 text on white | 6.95:1 | AA | Lc 83.8 | Fine for body text |
| #6748A1 text on black | 3.01:1 | AA large text | Lc -18.1 | 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
#EBE7F6
oklch(93.5% 0.021 298.2)
-
Step 200
200
#DBD4EF
oklch(88.4% 0.037 297.5)
-
Step 300
300
#C5B8E7
oklch(80.9% 0.067 297.6)
-
Step 400
400
#A792DC
oklch(70.7% 0.108 296.6)
-
Step 500
500
#9375D2
oklch(63.1% 0.138 297.1)
-
Step 600
600
#7E5CBF
oklch(55.6% 0.15 297.1)
-
Step 700
700 (this color)
#6748A1
oklch(48% 0.139 296.9)
-
Step 800
800
#563E85
oklch(42.6% 0.115 296.8)
-
Step 900
900
#47366B
oklch(37.8% 0.089 296.7)
-
Step 950
950
#29203F
oklch(27% 0.057 295.7)
#6748A1 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) | #225AA4 | 0.094 |
| Deuteranopia (no green cones) | #2B589F | 0.087 |
| Tritanopia (no blue cones) | #5A5A6D | 0.109 |
| Achromatopsia (no color) | #595959 | 0.140 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6748A1
#6748A1
oklch(48% 0.139 296.9)
- #5A6500
#5A6500
oklch(48.1% 0.111 116.9)
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 #6748A1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.048
- Twilight #4E518B ΔE 0.060
- Blueberry #464196 ΔE 0.063
- Iris #6258C4 ΔE 0.064
- Bluey Purple #6241C7 ΔE 0.064
- Dark Slate Blue #483D8B ΔE 0.071
- Blue With A Hint Of Purple #533CC6 ΔE 0.076
- Dusk #4E5481 ΔE 0.076
Use #6748A1 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.