#837DCA
Closest named color: Deep Lilac (#966EBD). oklch(62.7% 0.114 286.2), rgb(131, 125, 202).
Aa
Black text reads best on this color (5.75:1).
About this color
#837DCA is a medium-light, moderately saturated purple. In OKLCH its lightness is 63%, its chroma 0.114 and its hue 286°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Lilac (#966EBD), ΔE 0.046 away. Black text reads best on it, at 5.75:1.
| Hue family | Purples |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.114) |
| Temperature | cool |
| Nearest name | Deep Lilac (#966EBD) |
| Black text | 5.75:1 |
| White text | 3.65:1 |
Values
| HEX | #837DCA |
| RGB | rgb(131, 125, 202) |
| HSL | hsl(245, 42%, 64%) |
| OKLCH | oklch(62.7% 0.114 286.2) |
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 #837DCA | 3.65:1 | AA large text | Lc -69.5 | Content text, not long reading |
| Black text on #837DCA | 5.75:1 | AA | Lc 40.1 | Non-text elements, placeholder text |
| #837DCA text on white | 3.65:1 | AA large text | Lc 64.0 | Content text, not long reading |
| #837DCA text on black | 5.75:1 | AA | Lc -37.6 | 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
#F5F5FA
oklch(97.2% 0.007 286.3)
-
Step 100
100
#E9E8F5
oklch(93.6% 0.017 289.6)
-
Step 200
200
#D7D7ED
oklch(88.6% 0.03 285.8)
-
Step 300
300
#BDBCE4
oklch(80.9% 0.056 286.2)
-
Step 400
400
#9C98D6
oklch(70.6% 0.09 286.8)
-
Step 500
500 (this color)
#837DCA
oklch(62.7% 0.114 286.2)
-
Step 600
600
#6E66B8
oklch(55.5% 0.125 286)
-
Step 700
700
#5C559F
oklch(49.2% 0.116 285.6)
-
Step 800
800
#4B4580
oklch(42.5% 0.096 286.2)
-
Step 900
900
#3F3B67
oklch(37.8% 0.074 286.4)
-
Step 950
950
#25233C
oklch(27.1% 0.046 286.6)
#837DCA 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) | #6588CD | 0.045 |
| Deuteranopia (no green cones) | #6384C8 | 0.045 |
| Tritanopia (no blue cones) | #718C9A | 0.098 |
| Achromatopsia (no color) | #868686 | 0.115 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #837DCA
#837DCA
oklch(62.7% 0.114 286.2)
- #918C2E
#918C2E
oklch(62.6% 0.114 106.3)
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 #837DCA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Lilac #966EBD ΔE 0.046
- Medium Purple #9370DB ΔE 0.050
- Perrywinkle #8F8CE7 ΔE 0.057
- Wisteria #A87DC2 ΔE 0.059
- Soft Blue #6488EA ΔE 0.061
- Faded Blue #658CBB ΔE 0.063
- Soft Purple #A66FB5 ΔE 0.066
- Dark Lilac #9C6DA5 ΔE 0.070
Use #837DCA 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.