#837FC4
Closest named color: Deep Lilac (#966EBD). oklch(62.8% 0.103 285.7), rgb(131, 127, 196).
Aa
Black text reads best on this color (5.79:1).
About this color
#837FC4 is a medium-light, moderately saturated purple. In OKLCH its lightness is 63%, its chroma 0.103 and its hue 286°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Lilac (#966EBD), ΔE 0.049 away. Black text reads best on it, at 5.79:1.
| Hue family | Purples |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.103) |
| Temperature | cool |
| Nearest name | Deep Lilac (#966EBD) |
| Black text | 5.79:1 |
| White text | 3.62:1 |
Values
| HEX | #837FC4 |
| RGB | rgb(131, 127, 196) |
| HSL | hsl(243, 37%, 63%) |
| OKLCH | oklch(62.8% 0.103 285.7) |
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 #837FC4 | 3.62:1 | AA large text | Lc -69.2 | Content text, not long reading |
| Black text on #837FC4 | 5.79:1 | AA | Lc 40.3 | Non-text elements, placeholder text |
| #837FC4 text on white | 3.62:1 | AA large text | Lc 63.8 | Content text, not long reading |
| #837FC4 text on black | 5.79:1 | AA | Lc -37.9 | 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
#F5F5FA
oklch(97.2% 0.007 286.3)
-
Step 100
100
#E9E9F3
oklch(93.7% 0.013 286.1)
-
Step 200
200
#D7D7EB
oklch(88.5% 0.027 285.8)
-
Step 300
300
#BDBDE0
oklch(81% 0.049 285.3)
-
Step 400
400
#9C9AD1
oklch(70.8% 0.08 285.8)
-
Step 500
500 (this color)
#837FC4
oklch(62.8% 0.103 285.7)
-
Step 600
600
#6E68B1
oklch(55.5% 0.111 285.9)
-
Step 700
700
#5C5799
oklch(49.2% 0.104 285.4)
-
Step 800
800
#4B477C
oklch(42.7% 0.086 285.6)
-
Step 900
900
#3E3C64
oklch(37.7% 0.068 285)
-
Step 950
950
#24233A
oklch(26.9% 0.042 285.2)
#837FC4 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) | #6A88C7 | 0.038 |
| Deuteranopia (no green cones) | #6984C2 | 0.037 |
| Tritanopia (no blue cones) | #738C98 | 0.089 |
| Achromatopsia (no color) | #868686 | 0.103 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #837FC4
#837FC4
oklch(62.8% 0.103 285.7)
- #918C3C
#918C3C
oklch(62.8% 0.102 105.7)
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 #837FC4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Lilac #966EBD ΔE 0.049
- Faded Blue #658CBB ΔE 0.055
- Wisteria #A87DC2 ΔE 0.057
- Medium Purple #9370DB ΔE 0.060
- Perrywinkle #8F8CE7 ΔE 0.061
- Soft Purple #A66FB5 ΔE 0.065
- Dark Lilac #9C6DA5 ΔE 0.066
- Lavender Gray #7E7F9A ΔE 0.066
Use #837FC4 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.