#6435A0
Closest named color: Rebecca Purple (#663399). oklch(44.6% 0.165 299.9), rgb(100, 53, 160).
Aa
White text reads best on this color (8.20:1).
About this color
#6435A0 is a dark, vivid purple. In OKLCH its lightness is 45%, its chroma 0.165 and its hue 300°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.013 away. White text reads best on it, at 8.20:1.
| Hue family | Purples |
| Lightness | dark (45%) |
| Chroma | vivid (0.165) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.55:1 |
| White text | 8.20:1 |
Values
| HEX | #6435A0 |
| RGB | rgb(100, 53, 160) |
| HSL | hsl(266, 50%, 42%) |
| OKLCH | oklch(44.6% 0.165 299.9) |
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 #6435A0 | 8.20:1 | AAA | Lc -92.5 | Preferred for body text |
| Black text on #6435A0 | 2.55:1 | Fails | Lc 16.2 | Dividers and decoration only |
| #6435A0 text on white | 8.20:1 | AAA | Lc 87.8 | Fine for body text |
| #6435A0 text on black | 2.55:1 | Fails | Lc -14.3 | Not readable |
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 800.
-
Step 50
50
#F6F4FD
oklch(97.1% 0.012 296.4)
-
Step 100
100
#ECE6FA
oklch(93.6% 0.027 299.5)
-
Step 200
200
#DED2F8
oklch(88.5% 0.053 299.7)
-
Step 300
300
#CAB3F6
oklch(81% 0.096 300)
-
Step 400
400
#B088F2
oklch(70.8% 0.155 299.9)
-
Step 500
500
#9D65ED
oklch(63% 0.198 299.7)
-
Step 600
600
#8947DB
oklch(55.5% 0.214 299.8)
-
Step 700
700
#7537BE
oklch(49.1% 0.199 300)
-
Step 800
800 (this color)
#6435A0
oklch(44.6% 0.165 299.9)
-
Step 900
900
#4D2C7A
oklch(37.7% 0.128 299.7)
-
Step 950
950
#2D1B48
oklch(27.1% 0.081 299.4)
#6435A0 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) | #004FA3 | 0.119 |
| Deuteranopia (no green cones) | #004E9E | 0.119 |
| Tritanopia (no blue cones) | #574D66 | 0.123 |
| Achromatopsia (no color) | #4F4F4F | 0.166 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6435A0
#6435A0
oklch(44.6% 0.165 299.9)
- #4D5C00
#4D5C00
oklch(44.6% 0.106 120.1)
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 #6435A0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.013
- Blueberry #464196 ΔE 0.059
- Dark Slate Blue #483D8B ΔE 0.062
- Grape #7209B7 ΔE 0.064
- Bluey Purple #6241C7 ΔE 0.067
- Chrysanthemum #560BAD ΔE 0.069
- Blue With A Hint Of Purple #533CC6 ΔE 0.070
- Blurple #5539CC ΔE 0.077
Use #6435A0 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.