#837381
Closest named color: Purple Grey (#866F85). oklch(57.5% 0.029 330), rgb(131, 115, 129).
Aa
Black text reads best on this color (4.73:1).
About this color
#837381 is a medium-dark close to neutral grey. In OKLCH its lightness is 57%, its chroma 0.029. It has too little chroma to lean warm or cool. The nearest named color is Purple Grey (#866F85), ΔE 0.015 away. Black text reads best on it, at 4.73:1.
| Hue family | Neutrals |
| Lightness | medium-dark (57%) |
| Chroma | close to neutral grey (0.029) |
| Temperature | neutral |
| Nearest name | Purple Grey (#866F85) |
| Black text | 4.73:1 |
| White text | 4.43:1 |
Values
| HEX | #837381 |
| RGB | rgb(131, 115, 129) |
| HSL | hsl(308, 7%, 48%) |
| OKLCH | oklch(57.5% 0.029 330) |
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 #837381 | 4.43:1 | AA large text | Lc -76.3 | Fine for body text |
| Black text on #837381 | 4.73:1 | AA | Lc 33.3 | Non-text elements, placeholder text |
| #837381 text on white | 4.43:1 | AA large text | Lc 70.8 | Content text, not long reading |
| #837381 text on black | 4.73:1 | AA | Lc -30.9 | 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 600.
-
Step 50
50
#F6F5F6
oklch(97.1% 0.002 325.6)
-
Step 100
100
#EBE9EB
oklch(93.6% 0.003 325.6)
-
Step 200
200
#DCD7DB
oklch(88.4% 0.008 332.1)
-
Step 300
300
#C6BEC5
oklch(81% 0.013 329.6)
-
Step 400
400
#A89CA7
oklch(70.6% 0.021 328.4)
-
Step 500
500
#938491
oklch(63.1% 0.026 330.2)
-
Step 600
600 (this color)
#837381
oklch(57.5% 0.029 330)
-
Step 700
700
#6A5B68
oklch(49% 0.028 330.4)
-
Step 800
800
#564B55
oklch(42.7% 0.022 328.8)
-
Step 900
900
#473E46
oklch(37.6% 0.018 329.5)
-
Step 950
950
#2A2529
oklch(27.2% 0.01 332.6)
#837381 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) | #737682 | 0.025 |
| Deuteranopia (no green cones) | #767880 | 0.024 |
| Tritanopia (no blue cones) | #847478 | 0.015 |
| Achromatopsia (no color) | #787878 | 0.029 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #837381
#837381
oklch(57.5% 0.029 330)
- #6D7E70
#6D7E70
oklch(57.5% 0.029 150.4)
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 #837381, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Grey #866F85 ΔE 0.015
- Grey Purple #826D8C ΔE 0.028
- Battleship Gray #6C757D ΔE 0.036
- Gray #808080 ΔE 0.038
- Medium Grey #7D7F7C ΔE 0.038
- Battleship Grey #6B7C85 ΔE 0.040
- Lavender Gray #7E7F9A ΔE 0.042
- Slate Gray #708090 ΔE 0.043
Use #837381 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.