#837BFB
Closest named color: Periwinkle (#8E82FE). oklch(65.2% 0.185 282.8), rgb(131, 123, 251).
Aa
Black text reads best on this color (6.19:1).
About this color
#837BFB is a medium-light, vivid purple. In OKLCH its lightness is 65%, its chroma 0.185 and its hue 283°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle (#8E82FE), ΔE 0.025 away. Black text reads best on it, at 6.19:1.
| Hue family | Purples |
| Lightness | medium-light (65%) |
| Chroma | vivid (0.185) |
| Temperature | cool |
| Nearest name | Periwinkle (#8E82FE) |
| Black text | 6.19:1 |
| White text | 3.39:1 |
Values
| HEX | #837BFB |
| RGB | rgb(131, 123, 251) |
| HSL | hsl(244, 94%, 73%) |
| OKLCH | oklch(65.2% 0.185 282.8) |
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 #837BFB | 3.39:1 | AA large text | Lc -66.6 | Content text, not long reading |
| Black text on #837BFB | 6.19:1 | AA | Lc 42.9 | Non-text elements, placeholder text |
| #837BFB text on white | 3.39:1 | AA large text | Lc 61.1 | Content text, not long reading |
| #837BFB text on black | 6.19:1 | AA | Lc -40.6 | 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
#F4F5FE
oklch(97.2% 0.012 281.1)
-
Step 100
100
#E7E8FB
oklch(93.6% 0.026 283.5)
-
Step 200
200
#D4D6FA
oklch(88.6% 0.049 282.8)
-
Step 300
300
#B8BAFA
oklch(81% 0.09 282.8)
-
Step 400
400
#9593F7
oklch(70.7% 0.144 283)
-
Step 500
500 (this color)
#837BFB
oklch(65.2% 0.185 282.8)
-
Step 600
600
#6859E2
oklch(55.6% 0.2 282.7)
-
Step 700
700
#5748C5
oklch(49.2% 0.187 282.5)
-
Step 800
800
#473C9F
oklch(42.7% 0.154 282.7)
-
Step 900
900
#3B357E
oklch(37.8% 0.119 282.8)
-
Step 950
950
#22204A
oklch(27.1% 0.076 282.2)
#837BFB 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) | #3C90FF | 0.083 |
| Deuteranopia (no green cones) | #3487F8 | 0.084 |
| Tritanopia (no blue cones) | #5897AF | 0.159 |
| Achromatopsia (no color) | #8B8B8B | 0.185 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #837BFB
#837BFB
oklch(65.2% 0.185 282.8)
- #A09200
#A09200
oklch(65.2% 0.137 102.7)
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 #837BFB, closest first.
No curated palette has a color within ΔE 0.04 of #837BFB.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle #8E82FE ΔE 0.025
- Cornflower #6A79F7 ΔE 0.036
- Lavender Blue #8B88F8 ΔE 0.036
- Medium Slate Blue #7B68EE ΔE 0.049
- Medium Purple #9370DB ΔE 0.055
- Soft Blue #6488EA ΔE 0.057
- Perrywinkle #8F8CE7 ΔE 0.060
- Light Urple #B36FF6 ΔE 0.077
Use #837BFB 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.