#A3818B
Closest named color: English Lavender (#9D8189). oklch(63.9% 0.044 358.9), rgb(163, 129, 139).
Aa
Black text reads best on this color (6.07:1).
About this color
#A3818B is a medium-light, muted red. In OKLCH its lightness is 64%, its chroma 0.044 and its hue 359°. Its hue sits on the warm side of the wheel. The nearest named color is English Lavender (#9D8189), ΔE 0.010 away. Black text reads best on it, at 6.07:1.
| Hue family | Reds |
| Lightness | medium-light (64%) |
| Chroma | muted (0.044) |
| Temperature | warm |
| Nearest name | English Lavender (#9D8189) |
| Black text | 6.07:1 |
| White text | 3.45:1 |
Values
| HEX | #A3818B |
| RGB | rgb(163, 129, 139) |
| HSL | hsl(342, 16%, 57%) |
| OKLCH | oklch(63.9% 0.044 358.9) |
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 #A3818B | 3.45:1 | AA large text | Lc -67.6 | Content text, not long reading |
| Black text on #A3818B | 6.07:1 | AA | Lc 42.0 | Non-text elements, placeholder text |
| #A3818B text on white | 3.45:1 | AA large text | Lc 62.1 | Content text, not long reading |
| #A3818B text on black | 6.07:1 | AA | Lc -39.6 | 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
#F7F5F5
oklch(97.2% 0.002 17.2)
-
Step 100
100
#EEE8EA
oklch(93.6% 0.007 354.8)
-
Step 200
200
#E0D6D9
oklch(88.5% 0.012 357)
-
Step 300
300
#CDBBC0
oklch(80.9% 0.021 358.8)
-
Step 400
400
#B498A0
oklch(70.7% 0.035 358.9)
-
Step 500
500 (this color)
#A3818B
oklch(63.9% 0.044 358.9)
-
Step 600
600
#8B6873
oklch(55.6% 0.047 358.1)
-
Step 700
700
#765660
oklch(49% 0.045 358.4)
-
Step 800
800
#60474E
oklch(42.7% 0.036 0.2)
-
Step 900
900
#4F3B41
oklch(37.6% 0.03 358.8)
-
Step 950
950
#2E2326
oklch(27% 0.017 0.2)
#A3818B 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) | #85868B | 0.047 |
| Deuteranopia (no green cones) | #8D8C8A | 0.044 |
| Tritanopia (no blue cones) | #A97F84 | 0.013 |
| Achromatopsia (no color) | #8A8A8A | 0.044 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3818B
#A3818B
oklch(63.9% 0.044 358.9)
- #6F958C
#6F958C
oklch(63.9% 0.044 178.6)
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 #A3818B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- English Lavender #9D8189 ΔE 0.010
- Purpley Grey #947E94 ΔE 0.030
- Warm Grey #978A84 ΔE 0.035
- Mauve #AE7181 ΔE 0.042
- Dusty Lavender #AC86A8 ΔE 0.045
- Reddish Grey #997570 ΔE 0.048
- Heather #A484AC ΔE 0.048
- Brownish Pink #C27E79 ΔE 0.055
Use #A3818B 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.