#B43B64
Closest named color: Light Burgundy (#A8415B). oklch(53.7% 0.159 3.4), rgb(180, 59, 100).
Aa
White text reads best on this color (5.59:1).
About this color
#B43B64 is a medium-dark, vivid red. In OKLCH its lightness is 54%, its chroma 0.159 and its hue 3°. Its hue sits on the warm side of the wheel. The nearest named color is Light Burgundy (#A8415B), ΔE 0.029 away. White text reads best on it, at 5.59:1.
| Hue family | Reds |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.159) |
| Temperature | warm |
| Nearest name | Light Burgundy (#A8415B) |
| Black text | 3.75:1 |
| White text | 5.59:1 |
Values
| HEX | #B43B64 |
| RGB | rgb(180, 59, 100) |
| HSL | hsl(340, 51%, 47%) |
| OKLCH | oklch(53.7% 0.159 3.4) |
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 #B43B64 | 5.59:1 | AA | Lc -82.4 | Fine for body text |
| Black text on #B43B64 | 3.75:1 | AA large text | Lc 27.0 | Dividers and decoration only |
| #B43B64 text on white | 5.59:1 | AA | Lc 77.1 | Fine for body text |
| #B43B64 text on black | 3.75:1 | AA large text | Lc -24.7 | Dividers and decoration only |
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 600.
-
Step 50
50
#FCF3F5
oklch(97.2% 0.01 2)
-
Step 100
100
#F7E4E8
oklch(93.5% 0.021 3.1)
-
Step 200
200
#F1CFD6
oklch(88.5% 0.039 4)
-
Step 300
300
#E9AEBC
oklch(80.9% 0.071 3.1)
-
Step 400
400
#DC8199
oklch(70.7% 0.115 3.5)
-
Step 500
500
#CF5E80
oklch(63% 0.147 3.3)
-
Step 600
600 (this color)
#B43B64
oklch(53.7% 0.159 3.4)
-
Step 700
700
#A03258
oklch(49% 0.148 3.2)
-
Step 800
800
#822B48
oklch(42.7% 0.122 3.3)
-
Step 900
900
#69283C
oklch(37.7% 0.095 3.6)
-
Step 950
950
#3E1823
oklch(27% 0.061 3.8)
#B43B64 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) | #545965 | 0.178 |
| Deuteranopia (no green cones) | #747061 | 0.162 |
| Tritanopia (no blue cones) | #C32B4B | 0.044 |
| Achromatopsia (no color) | #686868 | 0.161 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B43B64
#B43B64
oklch(53.7% 0.159 3.4)
- #007F73
#007F73
oklch(53.6% 0.095 183.4)
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 #B43B64, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Burgundy #A8415B ΔE 0.029
- Dark Rose #B5485D ΔE 0.031
- Light Maroon #A24857 ΔE 0.047
- Deep Rose #C74767 ΔE 0.047
- Dark Pink #CB416B ΔE 0.049
- Dusty Red #B9484E ΔE 0.050
- Dull Red #BB3F3F ΔE 0.058
- Ruby #CA0147 ΔE 0.063
Use #B43B64 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.