#B1819A
Closest named color: Dusty Lavender (#AC86A8). oklch(65.8% 0.068 346.5), rgb(177, 129, 154).
Aa
Black text reads best on this color (6.47:1).
About this color
#B1819A is a medium-light, muted red. In OKLCH its lightness is 66%, its chroma 0.068 and its hue 347°. Its hue sits on the warm side of the wheel. The nearest named color is Dusty Lavender (#AC86A8), ΔE 0.022 away. Black text reads best on it, at 6.47:1.
| Hue family | Reds |
| Lightness | medium-light (66%) |
| Chroma | muted (0.068) |
| Temperature | warm |
| Nearest name | Dusty Lavender (#AC86A8) |
| Black text | 6.47:1 |
| White text | 3.24:1 |
Values
| HEX | #B1819A |
| RGB | rgb(177, 129, 154) |
| HSL | hsl(329, 24%, 60%) |
| OKLCH | oklch(65.8% 0.068 346.5) |
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 #B1819A | 3.24:1 | AA large text | Lc -65.1 | Content text, not long reading |
| Black text on #B1819A | 6.47:1 | AA | Lc 44.4 | Non-text elements, placeholder text |
| #B1819A text on white | 3.24:1 | AA large text | Lc 59.6 | Large or bold text, headings |
| #B1819A text on black | 6.47:1 | AA | Lc -42.1 | 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
#F8F4F6
oklch(97.1% 0.005 345.3)
-
Step 100
100
#EFE7EB
oklch(93.5% 0.01 345.4)
-
Step 200
200
#E3D4DB
oklch(88.4% 0.019 347.5)
-
Step 300
300
#D2B8C5
oklch(80.9% 0.034 346.2)
-
Step 400
400
#BA94A7
oklch(70.7% 0.052 347)
-
Step 500
500 (this color)
#B1819A
oklch(65.8% 0.068 346.5)
-
Step 600
600
#93617C
oklch(55.5% 0.074 346.2)
-
Step 700
700
#7D5169
oklch(49.2% 0.068 346)
-
Step 800
800
#664255
oklch(42.7% 0.057 346.9)
-
Step 900
900
#533846
oklch(37.7% 0.044 347)
-
Step 950
950
#312129
oklch(27% 0.028 347.7)
#B1819A 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) | #848A9B | 0.071 |
| Deuteranopia (no green cones) | #8F9299 | 0.067 |
| Tritanopia (no blue cones) | #B88089 | 0.027 |
| Achromatopsia (no color) | #8F8F8F | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B1819A
#B1819A
oklch(65.8% 0.068 346.5)
- #689F88
#689F88
oklch(65.7% 0.068 166.2)
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 #B1819A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Lavender #AC86A8 ΔE 0.022
- Heather #A484AC ΔE 0.032
- English Lavender #9D8189 ΔE 0.043
- Old Rose #C87F89 ΔE 0.044
- Old Pink #C77986 ΔE 0.045
- Mauve #AE7181 ΔE 0.047
- Dusky Pink #CC7A8B ΔE 0.049
- Purpley Grey #947E94 ΔE 0.050
Use #B1819A 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.