#6436AD
Closest named color: Rebecca Purple (#663399). oklch(45.8% 0.179 296.3), rgb(100, 54, 173).
Aa
White text reads best on this color (7.85:1).
About this color
#6436AD is a medium-dark, vivid purple. In OKLCH its lightness is 46%, its chroma 0.179 and its hue 296°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.033 away. White text reads best on it, at 7.85:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | vivid (0.179) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.67:1 |
| White text | 7.85:1 |
Values
| HEX | #6436AD |
| RGB | rgb(100, 54, 173) |
| HSL | hsl(263, 52%, 45%) |
| OKLCH | oklch(45.8% 0.179 296.3) |
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 #6436AD | 7.85:1 | AAA | Lc -91.4 | Preferred for body text |
| Black text on #6436AD | 2.67:1 | Fails | Lc 17.4 | Dividers and decoration only |
| #6436AD text on white | 7.85:1 | AAA | Lc 86.6 | Fine for body text |
| #6436AD text on black | 2.67:1 | Fails | Lc -15.4 | 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 800.
-
Step 50
50
#F6F4FE
oklch(97.2% 0.013 295.3)
-
Step 100
100
#EBE6FC
oklch(93.5% 0.03 296.2)
-
Step 200
200
#DCD2FC
oklch(88.5% 0.058 296.1)
-
Step 300
300
#C7B3FD
oklch(81% 0.105 296.4)
-
Step 400
400
#AC87FC
oklch(70.8% 0.168 296.4)
-
Step 500
500
#9963F9
oklch(63.1% 0.214 296.3)
-
Step 600
600
#8543E8
oklch(55.6% 0.233 296.2)
-
Step 700
700
#7132CA
oklch(49.1% 0.217 296.2)
-
Step 800
800 (this color)
#6436AD
oklch(45.8% 0.179 296.3)
-
Step 900
900
#4B2A81
oklch(37.7% 0.139 296.6)
-
Step 950
950
#2B1A4C
oklch(27% 0.089 295.5)
#6436AD 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) | #0052B1 | 0.115 |
| Deuteranopia (no green cones) | #0050AB | 0.115 |
| Tritanopia (no blue cones) | #51536D | 0.139 |
| Achromatopsia (no color) | #525252 | 0.180 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6436AD
#6436AD
oklch(45.8% 0.179 296.3)
- #555E00
#555E00
oklch(45.8% 0.105 116.1)
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 #6436AD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.033
- Bluey Purple #6241C7 ΔE 0.047
- Blue With A Hint Of Purple #533CC6 ΔE 0.052
- Grape #7209B7 ΔE 0.057
- Blurple #5539CC ΔE 0.057
- Purple Blue #5D21D0 ΔE 0.065
- Chrysanthemum #560BAD ΔE 0.066
- Blueberry #464196 ΔE 0.066
Use #6436AD 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.