#B43770
Closest named color: Light Burgundy (#A8415B). oklch(53.6% 0.169 356.4), rgb(180, 55, 112).
Aa
White text reads best on this color (5.64:1).
About this color
#B43770 is a medium-dark, vivid red. In OKLCH its lightness is 54%, its chroma 0.169 and its hue 356°. Its hue sits on the warm side of the wheel. The nearest named color is Light Burgundy (#A8415B), ΔE 0.046 away. White text reads best on it, at 5.64:1.
| Hue family | Reds |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.169) |
| Temperature | warm |
| Nearest name | Light Burgundy (#A8415B) |
| Black text | 3.72:1 |
| White text | 5.64:1 |
Values
| HEX | #B43770 |
| RGB | rgb(180, 55, 112) |
| HSL | hsl(333, 53%, 46%) |
| OKLCH | oklch(53.6% 0.169 356.4) |
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 #B43770 | 5.64:1 | AA | Lc -82.5 | Fine for body text |
| Black text on #B43770 | 3.72:1 | AA large text | Lc 26.8 | Dividers and decoration only |
| #B43770 text on white | 5.64:1 | AA | Lc 77.2 | Fine for body text |
| #B43770 text on black | 3.72:1 | AA large text | Lc -24.5 | 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
#F7E4EA
oklch(93.6% 0.022 356.3)
-
Step 200
200
#F1CEDA
oklch(88.4% 0.042 355.3)
-
Step 300
300
#EAADC2
oklch(81% 0.076 356.5)
-
Step 400
400
#DC7FA2
oklch(70.7% 0.121 356.6)
-
Step 500
500
#D05B8C
oklch(63.1% 0.156 356.3)
-
Step 600
600 (this color)
#B43770
oklch(53.6% 0.169 356.4)
-
Step 700
700
#A12E63
oklch(49.2% 0.158 356.4)
-
Step 800
800
#822851
oklch(42.6% 0.13 356)
-
Step 900
900
#692643
oklch(37.7% 0.101 356.1)
-
Step 950
950
#3E1727
oklch(27% 0.064 356.6)
#B43770 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) | #4E5872 | 0.188 |
| Deuteranopia (no green cones) | #71706D | 0.169 |
| Tritanopia (no blue cones) | #C22B4F | 0.054 |
| Achromatopsia (no color) | #676767 | 0.170 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B43770
#B43770
oklch(53.6% 0.169 356.4)
- #00806C
#00806C
oklch(53.6% 0.1 176.6)
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 #B43770, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Burgundy #A8415B ΔE 0.046
- Dark Rose #B5485D ΔE 0.050
- Dark Pink #CB416B ΔE 0.055
- Deep Rose #C74767 ΔE 0.058
- Medium Violet Red #C71585 ΔE 0.060
- Light Maroon #A24857 ΔE 0.064
- Raspberry #B00149 ΔE 0.068
- Light Plum #9D5783 ΔE 0.070
Use #B43770 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.