#81838F
Closest named color: Steel (#738595). oklch(61.2% 0.018 278.3), rgb(129, 131, 143).
Aa
Black text reads best on this color (5.57:1).
About this color
#81838F is a medium-dark close to neutral grey. In OKLCH its lightness is 61%, its chroma 0.018. It has too little chroma to lean warm or cool. The nearest named color is Steel (#738595), ΔE 0.020 away. Black text reads best on it, at 5.57:1.
| Hue family | Neutrals |
| Lightness | medium-dark (61%) |
| Chroma | close to neutral grey (0.018) |
| Temperature | neutral |
| Nearest name | Steel (#738595) |
| Black text | 5.57:1 |
| White text | 3.76:1 |
Values
| HEX | #81838F |
| RGB | rgb(129, 131, 143) |
| HSL | hsl(231, 6%, 53%) |
| OKLCH | oklch(61.2% 0.018 278.3) |
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 #81838F | 3.76:1 | AA large text | Lc -70.7 | Content text, not long reading |
| Black text on #81838F | 5.57:1 | AA | Lc 38.9 | Non-text elements, placeholder text |
| #81838F text on white | 3.76:1 | AA large text | Lc 65.2 | Content text, not long reading |
| #81838F text on black | 5.57:1 | AA | Lc -36.4 | 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
#F5F5F6
oklch(97% 0.001 286.4)
-
Step 100
100
#E9EAEB
oklch(93.7% 0.002 247.8)
-
Step 200
200
#D8D9DC
oklch(88.5% 0.004 271.4)
-
Step 300
300
#BFC0C6
oklch(80.9% 0.008 278.6)
-
Step 400
400
#9EA0AA
oklch(70.7% 0.015 277)
-
Step 500
500 (this color)
#81838F
oklch(61.2% 0.018 278.3)
-
Step 600
600
#70727F
oklch(55.5% 0.02 278.8)
-
Step 700
700
#5E606B
oklch(49.1% 0.018 277.5)
-
Step 800
800
#4D4E57
oklch(42.6% 0.015 280.7)
-
Step 900
900
#404148
oklch(37.7% 0.012 279.3)
-
Step 950
950
#25262A
oklch(26.9% 0.008 274.7)
#81838F 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) | #808490 | 0.003 |
| Deuteranopia (no green cones) | #7F838F | 0.003 |
| Tritanopia (no blue cones) | #7E8587 | 0.016 |
| Achromatopsia (no color) | #838383 | 0.018 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #81838F
#81838F
oklch(61.2% 0.018 278.3)
- #868478
#868478
oklch(61.2% 0.018 99.2)
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 #81838F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Steel #738595 ΔE 0.020
- Light Slate Gray #778899 ΔE 0.020
- Gray #808080 ΔE 0.022
- Lavender Gray #7E7F9A ΔE 0.024
- Slate Gray #708090 ΔE 0.027
- Steel Grey #6F828A ΔE 0.027
- Medium Grey #7D7F7C ΔE 0.029
- Purpley Grey #947E94 ΔE 0.033
Use #81838F 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.