#837CB2
Closest named color: Lavender Gray (#7E7F9A). oklch(61.3% 0.081 289.7), rgb(131, 124, 178).
Aa
Black text reads best on this color (5.49:1).
About this color
#837CB2 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 61%, its chroma 0.081 and its hue 290°. Its hue sits on the cool side of the wheel. The nearest named color is Lavender Gray (#7E7F9A), ΔE 0.042 away. Black text reads best on it, at 5.49:1.
| Hue family | Purples |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.081) |
| Temperature | cool |
| Nearest name | Lavender Gray (#7E7F9A) |
| Black text | 5.49:1 |
| White text | 3.82:1 |
Values
| HEX | #837CB2 |
| RGB | rgb(131, 124, 178) |
| HSL | hsl(248, 26%, 59%) |
| OKLCH | oklch(61.3% 0.081 289.7) |
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 #837CB2 | 3.82:1 | AA large text | Lc -71.2 | Content text, not long reading |
| Black text on #837CB2 | 5.49:1 | AA | Lc 38.4 | Non-text elements, placeholder text |
| #837CB2 text on white | 3.82:1 | AA large text | Lc 65.7 | Content text, not long reading |
| #837CB2 text on black | 5.49:1 | AA | Lc -35.9 | 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
#F5F5F9
oklch(97.1% 0.005 286.3)
-
Step 100
100
#E9E9F1
oklch(93.6% 0.011 286.2)
-
Step 200
200
#D8D7E7
oklch(88.5% 0.022 288.8)
-
Step 300
300
#BFBDD9
oklch(80.9% 0.039 288.8)
-
Step 400
400
#9F9AC6
oklch(70.6% 0.064 289.9)
-
Step 500
500 (this color)
#837CB2
oklch(61.3% 0.081 289.7)
-
Step 600
600
#726AA4
oklch(55.6% 0.089 289.5)
-
Step 700
700
#60588C
oklch(49% 0.082 290.1)
-
Step 800
800
#4E4872
oklch(42.6% 0.069 289.7)
-
Step 900
900
#413D5C
oklch(37.8% 0.053 289.5)
-
Step 950
950
#262436
oklch(27.1% 0.033 289.1)
#837CB2 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) | #6E83B4 | 0.033 |
| Deuteranopia (no green cones) | #6E81B1 | 0.031 |
| Tritanopia (no blue cones) | #79858F | 0.069 |
| Achromatopsia (no color) | #828282 | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #837CB2
#837CB2
oklch(61.3% 0.081 289.7)
- #87894D
#87894D
oklch(61.4% 0.082 110.2)
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 #837CB2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Lavender Gray #7E7F9A ΔE 0.042
- Faded Purple #916E99 ΔE 0.048
- Deep Lilac #966EBD ΔE 0.051
- Dark Lilac #9C6DA5 ΔE 0.052
- Faded Blue #658CBB ΔE 0.054
- Purpley Grey #947E94 ΔE 0.054
- Silver Lake Blue #778DA9 ΔE 0.055
- Heather #A484AC ΔE 0.059
Use #837CB2 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.