#837591
Closest named color: Purple Grey (#866F85). oklch(58.5% 0.045 307.6), rgb(131, 117, 145).
Aa
Black text reads best on this color (4.91:1).
About this color
#837591 is a medium-dark, muted purple. In OKLCH its lightness is 59%, its chroma 0.045 and its hue 308°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Purple Grey (#866F85), ΔE 0.021 away. Black text reads best on it, at 4.91:1.
| Hue family | Purples |
| Lightness | medium-dark (59%) |
| Chroma | muted (0.045) |
| Temperature | in between |
| Nearest name | Purple Grey (#866F85) |
| Black text | 4.91:1 |
| White text | 4.26:1 |
Values
| HEX | #837591 |
| RGB | rgb(131, 117, 145) |
| HSL | hsl(270, 11%, 51%) |
| OKLCH | oklch(58.5% 0.045 307.6) |
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 #837591 | 4.26:1 | AA large text | Lc -75.0 | Fine for body text |
| Black text on #837591 | 4.91:1 | AA | Lc 34.6 | Non-text elements, placeholder text |
| #837591 text on white | 4.26:1 | AA large text | Lc 69.5 | Content text, not long reading |
| #837591 text on black | 4.91:1 | AA | Lc -32.1 | 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 600.
-
Step 50
50
#F6F5F7
oklch(97.1% 0.003 308.4)
-
Step 100
100
#EBE9ED
oklch(93.7% 0.006 308.4)
-
Step 200
200
#DBD7DF
oklch(88.5% 0.012 308.3)
-
Step 300
300
#C4BDCB
oklch(80.8% 0.021 308.2)
-
Step 400
400
#A69CB1
oklch(70.8% 0.032 307)
-
Step 500
500
#90839D
oklch(63% 0.041 307.7)
-
Step 600
600 (this color)
#837591
oklch(58.5% 0.045 307.6)
-
Step 700
700
#675B74
oklch(49.2% 0.042 306.7)
-
Step 800
800
#544A5E
oklch(42.7% 0.035 307.6)
-
Step 900
900
#453E4D
oklch(37.7% 0.027 306.2)
-
Step 950
950
#29242D
oklch(27% 0.018 310.1)
#837591 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) | #717A92 | 0.029 |
| Deuteranopia (no green cones) | #737B90 | 0.028 |
| Tritanopia (no blue cones) | #81797E | 0.035 |
| Achromatopsia (no color) | #7A7A7A | 0.045 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #837591
#837591
oklch(58.5% 0.045 307.6)
- #748164
#748164
oklch(58.4% 0.046 127.4)
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 #837591, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Grey #866F85 ΔE 0.021
- Grey Purple #826D8C ΔE 0.022
- Lavender Gray #7E7F9A ΔE 0.027
- Faded Purple #916E99 ΔE 0.033
- Purpley Grey #947E94 ΔE 0.038
- Slate Gray #708090 ΔE 0.040
- Dark Lavender #856798 ΔE 0.043
- Battleship Grey #6B7C85 ΔE 0.047
Use #837591 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.