#81839B
Closest named color: Lavender Gray (#7E7F9A). oklch(61.7% 0.036 281.5), rgb(129, 131, 155).
Aa
Black text reads best on this color (5.65:1).
About this color
#81839B is a medium-dark, muted purple. In OKLCH its lightness is 62%, its chroma 0.036 and its hue 282°. Its hue sits on the cool side of the wheel. The nearest named color is Lavender Gray (#7E7F9A), ΔE 0.012 away. Black text reads best on it, at 5.65:1.
| Hue family | Purples |
| Lightness | medium-dark (62%) |
| Chroma | muted (0.036) |
| Temperature | cool |
| Nearest name | Lavender Gray (#7E7F9A) |
| Black text | 5.65:1 |
| White text | 3.71:1 |
Values
| HEX | #81839B |
| RGB | rgb(129, 131, 155) |
| HSL | hsl(235, 12%, 56%) |
| OKLCH | oklch(61.7% 0.036 281.5) |
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 #81839B | 3.71:1 | AA large text | Lc -70.2 | Content text, not long reading |
| Black text on #81839B | 5.65:1 | AA | Lc 39.3 | Non-text elements, placeholder text |
| #81839B text on white | 3.71:1 | AA large text | Lc 64.7 | Content text, not long reading |
| #81839B text on black | 5.65:1 | AA | Lc -36.9 | 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 500.
-
Step 50
50
#F5F5F7
oklch(97.1% 0.003 286.4)
-
Step 100
100
#E9E9ED
oklch(93.5% 0.005 286.3)
-
Step 200
200
#D8D8E0
oklch(88.5% 0.011 286.2)
-
Step 300
300
#BEBFCC
oklch(80.8% 0.018 282.5)
-
Step 400
400
#9D9FB2
oklch(70.7% 0.028 280.9)
-
Step 500
500 (this color)
#81839B
oklch(61.7% 0.036 281.5)
-
Step 600
600
#6F718A
oklch(55.6% 0.039 281.5)
-
Step 700
700
#5D5F75
oklch(49.2% 0.035 280.9)
-
Step 800
800
#4C4D60
oklch(42.7% 0.031 282.6)
-
Step 900
900
#3F404E
oklch(37.6% 0.024 282)
-
Step 950
950
#25262E
oklch(27.1% 0.015 279.7)
#81839B 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) | #7D859C | 0.007 |
| Deuteranopia (no green cones) | #7C849A | 0.008 |
| Tritanopia (no blue cones) | #7B878B | 0.032 |
| Achromatopsia (no color) | #858585 | 0.036 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #81839B
#81839B
oklch(61.7% 0.036 281.5)
- #89866D
#89866D
oklch(61.6% 0.036 101.7)
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 #81839B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Lavender Gray #7E7F9A ΔE 0.012
- Light Slate Gray #778899 ΔE 0.020
- Steel #738595 ΔE 0.023
- Blue Grey #758DA3 ΔE 0.030
- Purpley Grey #947E94 ΔE 0.030
- Silver Lake Blue #778DA9 ΔE 0.031
- Slate Gray #708090 ΔE 0.031
- Steel Grey #6F828A ΔE 0.038
Use #81839B 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.