#837EE3
Closest named color: Medium Purple (#9370DB). oklch(64.3% 0.148 283.7), rgb(131, 126, 227).
Aa
Black text reads best on this color (6.05:1).
About this color
#837EE3 is a medium-light, vivid purple. In OKLCH its lightness is 64%, its chroma 0.148 and its hue 284°. Its hue sits on the cool side of the wheel. The nearest named color is Medium Purple (#9370DB), ΔE 0.039 away. Black text reads best on it, at 6.05:1.
| Hue family | Purples |
| Lightness | medium-light (64%) |
| Chroma | vivid (0.148) |
| Temperature | cool |
| Nearest name | Medium Purple (#9370DB) |
| Black text | 6.05:1 |
| White text | 3.46:1 |
Values
| HEX | #837EE3 |
| RGB | rgb(131, 126, 227) |
| HSL | hsl(243, 64%, 69%) |
| OKLCH | oklch(64.3% 0.148 283.7) |
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 #837EE3 | 3.46:1 | AA large text | Lc -67.5 | Content text, not long reading |
| Black text on #837EE3 | 6.05:1 | AA | Lc 42.0 | Non-text elements, placeholder text |
| #837EE3 text on white | 3.46:1 | AA large text | Lc 62.1 | Content text, not long reading |
| #837EE3 text on black | 6.05:1 | AA | Lc -39.6 | Non-text elements, placeholder text |
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 500.
-
Step 50
50
#F4F5FC
oklch(97.1% 0.009 279.7)
-
Step 100
100
#E8E8F8
oklch(93.6% 0.022 286)
-
Step 200
200
#D5D6F4
oklch(88.5% 0.041 284)
-
Step 300
300
#BABBEF
oklch(80.9% 0.073 283.8)
-
Step 400
400
#9796E6
oklch(70.6% 0.116 283.6)
-
Step 500
500 (this color)
#837EE3
oklch(64.3% 0.148 283.7)
-
Step 600
600
#6A61CD
oklch(55.6% 0.162 283.6)
-
Step 700
700
#5950B1
oklch(49.2% 0.149 283.7)
-
Step 800
800
#48428F
oklch(42.7% 0.123 283.4)
-
Step 900
900
#3C3872
oklch(37.6% 0.097 283.8)
-
Step 950
950
#232143
oklch(26.9% 0.062 284.1)
#837EE3 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) | #588DE7 | 0.060 |
| Deuteranopia (no green cones) | #5486E1 | 0.059 |
| Tritanopia (no blue cones) | #6693A5 | 0.128 |
| Achromatopsia (no color) | #8A8A8A | 0.148 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #837EE3
#837EE3
oklch(64.3% 0.148 283.7)
- #9C9000
#9C9000
oklch(64.4% 0.136 103.6)
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 #837EE3, closest first.
No curated palette has a color within ΔE 0.04 of #837EE3.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Purple #9370DB ΔE 0.039
- Lavender Blue #8B88F8 ΔE 0.040
- Perrywinkle #8F8CE7 ΔE 0.041
- Periwinkle #8E82FE ΔE 0.044
- Soft Blue #6488EA ΔE 0.044
- Cornflower #6A79F7 ΔE 0.049
- Medium Slate Blue #7B68EE ΔE 0.060
- Cornflower Blue #6495ED ΔE 0.065
Use #837EE3 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.