#837DCF
Closest named color: Medium Purple (#9370DB). oklch(63% 0.121 285.7), rgb(131, 125, 207).
Aa
Black text reads best on this color (5.79:1).
About this color
#837DCF is a medium-light, moderately saturated purple. In OKLCH its lightness is 63%, its chroma 0.121 and its hue 286°. Its hue sits on the cool side of the wheel. The nearest named color is Medium Purple (#9370DB), ΔE 0.045 away. Black text reads best on it, at 5.79:1.
| Hue family | Purples |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.121) |
| Temperature | cool |
| Nearest name | Medium Purple (#9370DB) |
| Black text | 5.79:1 |
| White text | 3.62:1 |
Values
| HEX | #837DCF |
| RGB | rgb(131, 125, 207) |
| HSL | hsl(244, 46%, 65%) |
| OKLCH | oklch(63% 0.121 285.7) |
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 #837DCF | 3.62:1 | AA large text | Lc -69.2 | Content text, not long reading |
| Black text on #837DCF | 5.79:1 | AA | Lc 40.4 | Non-text elements, placeholder text |
| #837DCF text on white | 3.62:1 | AA large text | Lc 63.7 | Content text, not long reading |
| #837DCF text on black | 5.79:1 | AA | Lc -38.0 | 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
#F5F5FB
oklch(97.2% 0.008 286.3)
-
Step 100
100
#E8E8F5
oklch(93.5% 0.017 286.1)
-
Step 200
200
#D6D6EF
oklch(88.4% 0.034 285.7)
-
Step 300
300
#BCBCE6
oklch(80.9% 0.059 285)
-
Step 400
400
#9B98DA
oklch(70.7% 0.096 285.8)
-
Step 500
500 (this color)
#837DCF
oklch(63% 0.121 285.7)
-
Step 600
600
#6E65BC
oklch(55.6% 0.132 286)
-
Step 700
700
#5C54A2
oklch(49.2% 0.122 285.7)
-
Step 800
800
#4B4584
oklch(42.8% 0.102 285.6)
-
Step 900
900
#3E3A6A
oklch(37.6% 0.081 285.6)
-
Step 950
950
#24223E
oklch(26.9% 0.051 285.7)
#837DCF 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) | #6289D2 | 0.049 |
| Deuteranopia (no green cones) | #6084CD | 0.048 |
| Tritanopia (no blue cones) | #6F8D9C | 0.104 |
| Achromatopsia (no color) | #868686 | 0.122 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #837DCF
#837DCF
oklch(63% 0.121 285.7)
- #948D24
#948D24
oklch(63.1% 0.121 105.5)
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 #837DCF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Purple #9370DB ΔE 0.045
- Deep Lilac #966EBD ΔE 0.048
- Perrywinkle #8F8CE7 ΔE 0.052
- Soft Blue #6488EA ΔE 0.056
- Wisteria #A87DC2 ΔE 0.061
- Lavender Blue #8B88F8 ΔE 0.065
- Faded Blue #658CBB ΔE 0.067
- Soft Purple #A66FB5 ΔE 0.069
Use #837DCF 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.