#837FFC
Closest named color: Periwinkle (#8E82FE). oklch(66% 0.181 281.7), rgb(131, 127, 252).
Aa
Black text reads best on this color (6.40:1).
About this color
#837FFC is a medium-light, vivid purple. In OKLCH its lightness is 66%, its chroma 0.181 and its hue 282°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle (#8E82FE), ΔE 0.018 away. Black text reads best on it, at 6.40:1.
| Hue family | Purples |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.181) |
| Temperature | cool |
| Nearest name | Periwinkle (#8E82FE) |
| Black text | 6.40:1 |
| White text | 3.27:1 |
Values
| HEX | #837FFC |
| RGB | rgb(131, 127, 252) |
| HSL | hsl(242, 95%, 74%) |
| OKLCH | oklch(66% 0.181 281.7) |
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 #837FFC | 3.27:1 | AA large text | Lc -65.3 | Content text, not long reading |
| Black text on #837FFC | 6.40:1 | AA | Lc 44.2 | Non-text elements, placeholder text |
| #837FFC text on white | 3.27:1 | AA large text | Lc 59.9 | Large or bold text, headings |
| #837FFC text on black | 6.40:1 | AA | Lc -41.8 | 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
#F4F5FD
oklch(97.2% 0.011 280.5)
-
Step 100
100
#E6E8FB
oklch(93.5% 0.026 281.1)
-
Step 200
200
#D3D6FA
oklch(88.5% 0.05 281.6)
-
Step 300
300
#B7BAF9
oklch(80.9% 0.089 282.1)
-
Step 400
400
#9394F6
oklch(70.7% 0.142 281.7)
-
Step 500
500 (this color)
#837FFC
oklch(66% 0.181 281.7)
-
Step 600
600
#665BE1
oklch(55.7% 0.197 281.6)
-
Step 700
700
#5549C3
oklch(49% 0.183 281.7)
-
Step 800
800
#453D9E
oklch(42.7% 0.152 281.5)
-
Step 900
900
#3A367D
oklch(37.8% 0.117 281.8)
-
Step 950
950
#212049
oklch(26.9% 0.074 281.3)
#837FFC 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) | #4492FF | 0.076 |
| Deuteranopia (no green cones) | #3B8AF9 | 0.078 |
| Tritanopia (no blue cones) | #579AB2 | 0.155 |
| Achromatopsia (no color) | #8E8E8E | 0.181 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #837FFC
#837FFC
oklch(66% 0.181 281.7)
- #A49400
#A49400
oklch(66% 0.138 101.7)
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 #837FFC, closest first.
No curated palette has a color within ΔE 0.04 of #837FFC.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle #8E82FE ΔE 0.018
- Lavender Blue #8B88F8 ΔE 0.027
- Cornflower #6A79F7 ΔE 0.039
- Perrywinkle #8F8CE7 ΔE 0.053
- Soft Blue #6488EA ΔE 0.053
- Medium Slate Blue #7B68EE ΔE 0.058
- Medium Purple #9370DB ΔE 0.059
- Periwinkle Blue #8F99FB ΔE 0.069
Use #837FFC 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.