#B1818F
Closest named color: English Lavender (#9D8189). oklch(65.5% 0.062 359.8), rgb(177, 129, 143).
Aa
Black text reads best on this color (6.40:1).
About this color
#B1818F is a medium-light, muted red. In OKLCH its lightness is 65%, its chroma 0.062 and its hue 360°. Its hue sits on the warm side of the wheel. The nearest named color is English Lavender (#9D8189), ΔE 0.034 away. Black text reads best on it, at 6.40:1.
| Hue family | Reds |
| Lightness | medium-light (65%) |
| Chroma | muted (0.062) |
| Temperature | warm |
| Nearest name | English Lavender (#9D8189) |
| Black text | 6.40:1 |
| White text | 3.27:1 |
Values
| HEX | #B1818F |
| RGB | rgb(177, 129, 143) |
| HSL | hsl(343, 24%, 60%) |
| OKLCH | oklch(65.5% 0.062 359.8) |
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 #B1818F | 3.27:1 | AA large text | Lc -65.5 | Content text, not long reading |
| Black text on #B1818F | 6.40:1 | AA | Lc 44.0 | Non-text elements, placeholder text |
| #B1818F text on white | 3.27:1 | AA large text | Lc 60.1 | Content text, not long reading |
| #B1818F text on black | 6.40:1 | AA | Lc -41.7 | 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
#F8F4F5
oklch(97.1% 0.004 360)
-
Step 100
100
#EFE7E9
oklch(93.5% 0.009 0.1)
-
Step 200
200
#E3D5D9
oklch(88.5% 0.016 358.1)
-
Step 300
300
#D2B9C0
oklch(80.9% 0.03 359)
-
Step 400
400
#BB949F
oklch(70.6% 0.049 359.7)
-
Step 500
500 (this color)
#B1818F
oklch(65.5% 0.062 359.8)
-
Step 600
600
#946372
oklch(55.6% 0.066 359.6)
-
Step 700
700
#7E525F
oklch(49.1% 0.061 0.4)
-
Step 800
800
#67434E
oklch(42.7% 0.052 359.7)
-
Step 900
900
#543941
oklch(37.8% 0.04 359.8)
-
Step 950
950
#312126
oklch(26.9% 0.026 358.5)
#B1818F 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) | #87898F | 0.067 |
| Deuteranopia (no green cones) | #92918E | 0.062 |
| Tritanopia (no blue cones) | #B97E86 | 0.017 |
| Achromatopsia (no color) | #8E8E8E | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B1818F
#B1818F
oklch(65.5% 0.062 359.8)
- #659D92
#659D92
oklch(65.4% 0.061 180.5)
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 #B1818F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- English Lavender #9D8189 ΔE 0.034
- Dusty Lavender #AC86A8 ΔE 0.036
- Old Rose #C87F89 ΔE 0.039
- Old Pink #C77986 ΔE 0.040
- Brownish Pink #C27E79 ΔE 0.040
- Mauve #AE7181 ΔE 0.041
- Dusty Rose #C0737A ΔE 0.043
- Rosy Brown #BC8F8F ΔE 0.043
Use #B1818F 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.