#837CAB
Closest named color: Lavender Gray (#7E7F9A). oklch(61% 0.071 291), rgb(131, 124, 171).
Aa
Black text reads best on this color (5.43:1).
About this color
#837CAB is a medium-dark, moderately saturated purple. In OKLCH its lightness is 61%, its chroma 0.071 and its hue 291°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Lavender Gray (#7E7F9A), ΔE 0.031 away. Black text reads best on it, at 5.43:1.
| Hue family | Purples |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.071) |
| Temperature | in between |
| Nearest name | Lavender Gray (#7E7F9A) |
| Black text | 5.43:1 |
| White text | 3.86:1 |
Values
| HEX | #837CAB |
| RGB | rgb(131, 124, 171) |
| HSL | hsl(249, 22%, 58%) |
| OKLCH | oklch(61% 0.071 291) |
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 #837CAB | 3.86:1 | AA large text | Lc -71.6 | Content text, not long reading |
| Black text on #837CAB | 5.43:1 | AA | Lc 38.0 | Non-text elements, placeholder text |
| #837CAB text on white | 3.86:1 | AA large text | Lc 66.1 | Content text, not long reading |
| #837CAB text on black | 5.43:1 | AA | Lc -35.6 | 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
#F5F5F8
oklch(97.1% 0.004 286.3)
-
Step 100
100
#EAE9F0
oklch(93.7% 0.009 292.8)
-
Step 200
200
#D9D7E5
oklch(88.5% 0.019 292.6)
-
Step 300
300
#C0BDD6
oklch(80.9% 0.035 291.1)
-
Step 400
400
#A09BC1
oklch(70.7% 0.055 290.9)
-
Step 500
500 (this color)
#837CAB
oklch(61% 0.071 291)
-
Step 600
600
#736B9D
oklch(55.5% 0.077 291)
-
Step 700
700
#615986
oklch(49% 0.071 291.7)
-
Step 800
800
#4F496D
oklch(42.7% 0.059 291.3)
-
Step 900
900
#413D58
oklch(37.6% 0.046 290.8)
-
Step 950
950
#262434
oklch(27% 0.03 290)
#837CAB 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) | #7082AD | 0.029 |
| Deuteranopia (no green cones) | #7181AA | 0.028 |
| Tritanopia (no blue cones) | #7B848C | 0.061 |
| Achromatopsia (no color) | #828282 | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #837CAB
#837CAB
oklch(61% 0.071 291)
- #858855
#858855
oklch(61.2% 0.071 111.2)
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 #837CAB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Lavender Gray #7E7F9A ΔE 0.031
- Faded Purple #916E99 ΔE 0.043
- Purpley Grey #947E94 ΔE 0.045
- Silver Lake Blue #778DA9 ΔE 0.050
- Dark Lilac #9C6DA5 ΔE 0.052
- Light Slate Gray #778899 ΔE 0.053
- Steel #738595 ΔE 0.054
- Grey Purple #826D8C ΔE 0.054
Use #837CAB 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.