#837BB9
Closest named color: Deep Lilac (#966EBD). oklch(61.5% 0.093 289.3), rgb(131, 123, 185).
Aa
Black text reads best on this color (5.49:1).
About this color
#837BB9 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 61%, its chroma 0.093 and its hue 289°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Lilac (#966EBD), ΔE 0.044 away. Black text reads best on it, at 5.49:1.
| Hue family | Purples |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.093) |
| Temperature | cool |
| Nearest name | Deep Lilac (#966EBD) |
| Black text | 5.49:1 |
| White text | 3.81:1 |
Values
| HEX | #837BB9 |
| RGB | rgb(131, 123, 185) |
| HSL | hsl(248, 31%, 60%) |
| OKLCH | oklch(61.5% 0.093 289.3) |
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 #837BB9 | 3.81:1 | AA large text | Lc -71.2 | Content text, not long reading |
| Black text on #837BB9 | 5.49:1 | AA | Lc 38.4 | Non-text elements, placeholder text |
| #837BB9 text on white | 3.81:1 | AA large text | Lc 65.7 | Content text, not long reading |
| #837BB9 text on black | 5.49:1 | AA | Lc -36.0 | 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
#F5F5F9
oklch(97.1% 0.005 286.3)
-
Step 100
100
#E9E9F2
oklch(93.7% 0.012 286.2)
-
Step 200
200
#D8D7E9
oklch(88.5% 0.025 288.4)
-
Step 300
300
#BFBCDD
oklch(80.8% 0.046 289.5)
-
Step 400
400
#9F99CC
oklch(70.6% 0.074 289.8)
-
Step 500
500 (this color)
#837BB9
oklch(61.5% 0.093 289.3)
-
Step 600
600
#7268AA
oklch(55.5% 0.101 289.6)
-
Step 700
700
#605792
oklch(49.2% 0.093 289.5)
-
Step 800
800
#4E4777
oklch(42.7% 0.078 289.3)
-
Step 900
900
#413C60
oklch(37.8% 0.061 289.5)
-
Step 950
950
#262338
oklch(27% 0.039 290.1)
#837BB9 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) | #6A84BC | 0.039 |
| Deuteranopia (no green cones) | #6A81B7 | 0.037 |
| Tritanopia (no blue cones) | #778692 | 0.078 |
| Achromatopsia (no color) | #828282 | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #837BB9
#837BB9
oklch(61.5% 0.093 289.3)
- #898943
#898943
oklch(61.5% 0.093 108.8)
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 #837BB9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Lilac #966EBD ΔE 0.044
- Lavender Gray #7E7F9A ΔE 0.053
- Dark Lilac #9C6DA5 ΔE 0.054
- Faded Purple #916E99 ΔE 0.055
- Faded Blue #658CBB ΔE 0.057
- Soft Purple #A66FB5 ΔE 0.060
- Wisteria #A87DC2 ΔE 0.061
- Silver Lake Blue #778DA9 ΔE 0.063
Use #837BB9 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.