#837FDB
Closest named color: Perrywinkle (#8F8CE7). oklch(64% 0.136 283.9), rgb(131, 127, 219).
Aa
Black text reads best on this color (6.02:1).
About this color
#837FDB is a medium-light, moderately saturated purple. In OKLCH its lightness is 64%, its chroma 0.136 and its hue 284°. Its hue sits on the cool side of the wheel. The nearest named color is Perrywinkle (#8F8CE7), ΔE 0.041 away. Black text reads best on it, at 6.02:1.
| Hue family | Purples |
| Lightness | medium-light (64%) |
| Chroma | moderately saturated (0.136) |
| Temperature | cool |
| Nearest name | Perrywinkle (#8F8CE7) |
| Black text | 6.02:1 |
| White text | 3.48:1 |
Values
| HEX | #837FDB |
| RGB | rgb(131, 127, 219) |
| HSL | hsl(243, 56%, 68%) |
| OKLCH | oklch(64% 0.136 283.9) |
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 #837FDB | 3.48:1 | AA large text | Lc -67.8 | Content text, not long reading |
| Black text on #837FDB | 6.02:1 | AA | Lc 41.8 | Non-text elements, placeholder text |
| #837FDB text on white | 3.48:1 | AA large text | Lc 62.3 | Content text, not long reading |
| #837FDB text on black | 6.02:1 | AA | Lc -39.4 | 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
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E8E8F7
oklch(93.5% 0.02 286)
-
Step 200
200
#D5D6F1
oklch(88.4% 0.037 283.9)
-
Step 300
300
#BBBCEB
oklch(81% 0.066 283.9)
-
Step 400
400
#9897E1
oklch(70.6% 0.107 283.9)
-
Step 500
500 (this color)
#837FDB
oklch(64% 0.136 283.9)
-
Step 600
600
#6B63C5
oklch(55.5% 0.148 284.2)
-
Step 700
700
#5952AA
oklch(49.1% 0.136 283.8)
-
Step 800
800
#49448A
oklch(42.8% 0.113 283.8)
-
Step 900
900
#3D3A6E
oklch(37.8% 0.087 284)
-
Step 950
950
#232241
oklch(27% 0.057 283.4)
#837FDB 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) | #5E8CDE | 0.053 |
| Deuteranopia (no green cones) | #5B86D9 | 0.052 |
| Tritanopia (no blue cones) | #6991A2 | 0.117 |
| Achromatopsia (no color) | #898989 | 0.136 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #837FDB
#837FDB
oklch(64% 0.136 283.9)
- #9B8F00
#9B8F00
oklch(64% 0.135 103.6)
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 #837FDB, closest first.
No curated palette has a color within ΔE 0.04 of #837FDB.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Perrywinkle #8F8CE7 ΔE 0.041
- Medium Purple #9370DB ΔE 0.042
- Soft Blue #6488EA ΔE 0.046
- Lavender Blue #8B88F8 ΔE 0.048
- Periwinkle #8E82FE ΔE 0.055
- Cornflower #6A79F7 ΔE 0.058
- Deep Lilac #966EBD ΔE 0.060
- Cornflower Blue #6495ED ΔE 0.064
Use #837FDB 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.