#837FE7
Closest named color: Lavender Blue (#8B88F8). oklch(64.7% 0.152 283), rgb(131, 127, 231).
Aa
Black text reads best on this color (6.15:1).
About this color
#837FE7 is a medium-light, vivid purple. In OKLCH its lightness is 65%, its chroma 0.152 and its hue 283°. Its hue sits on the cool side of the wheel. The nearest named color is Lavender Blue (#8B88F8), ΔE 0.034 away. Black text reads best on it, at 6.15:1.
| Hue family | Purples |
| Lightness | medium-light (65%) |
| Chroma | vivid (0.152) |
| Temperature | cool |
| Nearest name | Lavender Blue (#8B88F8) |
| Black text | 6.15:1 |
| White text | 3.41:1 |
Values
| HEX | #837FE7 |
| RGB | rgb(131, 127, 231) |
| HSL | hsl(242, 68%, 70%) |
| OKLCH | oklch(64.7% 0.152 283) |
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 #837FE7 | 3.41:1 | AA large text | Lc -66.9 | Content text, not long reading |
| Black text on #837FE7 | 6.15:1 | AA | Lc 42.6 | Non-text elements, placeholder text |
| #837FE7 text on white | 3.41:1 | AA large text | Lc 61.5 | Content text, not long reading |
| #837FE7 text on black | 6.15:1 | AA | Lc -40.2 | 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
#E7E8F8
oklch(93.5% 0.022 283.1)
-
Step 200
200
#D5D6F4
oklch(88.5% 0.041 284)
-
Step 300
300
#B9BBF0
oklch(80.9% 0.075 282.9)
-
Step 400
400
#9696E8
oklch(70.6% 0.119 282.9)
-
Step 500
500 (this color)
#837FE7
oklch(64.7% 0.152 283)
-
Step 600
600
#6961CF
oklch(55.7% 0.164 282.9)
-
Step 700
700
#584FB4
oklch(49.1% 0.155 283.1)
-
Step 800
800
#484191
oklch(42.6% 0.128 283.5)
-
Step 900
900
#3B3874
oklch(37.6% 0.1 282.7)
-
Step 950
950
#232144
oklch(27% 0.064 283.9)
#837FE7 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) | #578EEB | 0.060 |
| Deuteranopia (no green cones) | #5287E5 | 0.060 |
| Tritanopia (no blue cones) | #6394A8 | 0.130 |
| Achromatopsia (no color) | #8B8B8B | 0.153 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #837FE7
#837FE7
oklch(64.7% 0.152 283)
- #9E9100
#9E9100
oklch(64.8% 0.136 103.1)
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 #837FE7, closest first.
No curated palette has a color within ΔE 0.04 of #837FE7.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Lavender Blue #8B88F8 ΔE 0.034
- Periwinkle #8E82FE ΔE 0.038
- Perrywinkle #8F8CE7 ΔE 0.039
- Medium Purple #9370DB ΔE 0.042
- Soft Blue #6488EA ΔE 0.043
- Cornflower #6A79F7 ΔE 0.046
- Medium Slate Blue #7B68EE ΔE 0.060
- Cornflower Blue #6495ED ΔE 0.063
Use #837FE7 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.