#6438AF
Closest named color: Rebecca Purple (#663399). oklch(46.2% 0.179 295.5), rgb(100, 56, 175).
Aa
White text reads best on this color (7.70:1).
About this color
#6438AF is a medium-dark, vivid purple. In OKLCH its lightness is 46%, its chroma 0.179 and its hue 295°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.037 away. White text reads best on it, at 7.70:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | vivid (0.179) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.72:1 |
| White text | 7.70:1 |
Values
| HEX | #6438AF |
| RGB | rgb(100, 56, 175) |
| HSL | hsl(262, 52%, 45%) |
| OKLCH | oklch(46.2% 0.179 295.5) |
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 #6438AF | 7.70:1 | AAA | Lc -91.0 | Preferred for body text |
| Black text on #6438AF | 2.72:1 | Fails | Lc 17.9 | Dividers and decoration only |
| #6438AF text on white | 7.70:1 | AAA | Lc 86.2 | Fine for body text |
| #6438AF text on black | 2.72:1 | Fails | Lc -15.9 | 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
#F6F4FD
oklch(97.1% 0.012 296.4)
-
Step 100
100
#EBE7F9
oklch(93.6% 0.024 296.1)
-
Step 200
200
#DBD3F6
oklch(88.4% 0.048 295.9)
-
Step 300
300
#C5B6F3
oklch(81% 0.086 295.7)
-
Step 400
400
#A88DED
oklch(70.7% 0.139 295.6)
-
Step 500
500
#946EE7
oklch(63.2% 0.176 295.4)
-
Step 600
600
#8052D5
oklch(55.7% 0.192 295.7)
-
Step 700
700 (this color)
#6438AF
oklch(46.2% 0.179 295.5)
-
Step 800
800
#583795
oklch(42.7% 0.147 295.7)
-
Step 900
900
#483177
oklch(37.8% 0.115 295.5)
-
Step 950
950
#2A1D46
oklch(27% 0.074 295.6)
#6438AF 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) | #0054B3 | 0.114 |
| Deuteranopia (no green cones) | #0051AD | 0.113 |
| Tritanopia (no blue cones) | #50556F | 0.139 |
| Achromatopsia (no color) | #535353 | 0.180 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6438AF
#6438AF
oklch(46.2% 0.179 295.5)
- #575F00
#575F00
oklch(46.3% 0.105 115.3)
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 #6438AF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.037
- Bluey Purple #6241C7 ΔE 0.042
- Blue With A Hint Of Purple #533CC6 ΔE 0.049
- Blurple #5539CC ΔE 0.054
- Grape #7209B7 ΔE 0.060
- Purple Blue #5D21D0 ΔE 0.064
- Blueberry #464196 ΔE 0.067
- Chrysanthemum #560BAD ΔE 0.069
Use #6438AF 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.