#81799E
Closest named color: Lavender Gray (#7E7F9A). oklch(59.7% 0.056 294.5), rgb(129, 121, 158).
Aa
Black text reads best on this color (5.16:1).
About this color
#81799E is a medium-dark, muted purple. In OKLCH its lightness is 60%, its chroma 0.056 and its hue 295°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Lavender Gray (#7E7F9A), ΔE 0.020 away. Black text reads best on it, at 5.16:1.
| Hue family | Purples |
| Lightness | medium-dark (60%) |
| Chroma | muted (0.056) |
| Temperature | in between |
| Nearest name | Lavender Gray (#7E7F9A) |
| Black text | 5.16:1 |
| White text | 4.06:1 |
Values
| HEX | #81799E |
| RGB | rgb(129, 121, 158) |
| HSL | hsl(253, 16%, 55%) |
| OKLCH | oklch(59.7% 0.056 294.5) |
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 #81799E | 4.06:1 | AA large text | Lc -73.4 | Content text, not long reading |
| Black text on #81799E | 5.16:1 | AA | Lc 36.2 | Non-text elements, placeholder text |
| #81799E text on white | 4.06:1 | AA large text | Lc 67.9 | Content text, not long reading |
| #81799E text on black | 5.16:1 | AA | Lc -33.8 | 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
#EAE9EF
oklch(93.7% 0.008 293.9)
-
Step 200
200
#D9D7E2
oklch(88.4% 0.015 294.4)
-
Step 300
300
#C1BDD1
oklch(80.8% 0.028 294.9)
-
Step 400
400
#A29CBA
oklch(70.8% 0.044 294.4)
-
Step 500
500 (this color)
#81799E
oklch(59.7% 0.056 294.5)
-
Step 600
600
#756C94
oklch(55.5% 0.062 294.6)
-
Step 700
700
#625A7E
oklch(48.9% 0.058 294.4)
-
Step 800
800
#504A67
oklch(42.7% 0.048 293.8)
-
Step 900
900
#433E53
oklch(37.7% 0.036 295.5)
-
Step 950
950
#272431
oklch(26.9% 0.024 295.3)
#81799E 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) | #717EA0 | 0.025 |
| Deuteranopia (no green cones) | #727D9D | 0.024 |
| Tritanopia (no blue cones) | #7C7F86 | 0.047 |
| Achromatopsia (no color) | #7E7E7E | 0.056 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #81799E
#81799E
oklch(59.7% 0.056 294.5)
- #7E835D
#7E835D
oklch(59.6% 0.055 114.2)
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 #81799E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Lavender Gray #7E7F9A ΔE 0.020
- Faded Purple #916E99 ΔE 0.036
- Grey Purple #826D8C ΔE 0.037
- Purpley Grey #947E94 ΔE 0.038
- Purple Grey #866F85 ΔE 0.040
- Slate Gray #708090 ΔE 0.042
- Steel #738595 ΔE 0.044
- Light Slate Gray #778899 ΔE 0.047
Use #81799E 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.