#A43749
Closest named color: Light Burgundy (#A8415B). oklch(49.9% 0.143 14.3), rgb(164, 55, 73).
Aa
White text reads best on this color (6.51:1).
About this color
#A43749 is a medium-dark, vivid red. In OKLCH its lightness is 50%, its chroma 0.143 and its hue 14°. 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 6.51:1.
| Hue family | Reds |
| Lightness | medium-dark (50%) |
| Chroma | vivid (0.143) |
| Temperature | warm |
| Nearest name | Light Burgundy (#A8415B) |
| Black text | 3.22:1 |
| White text | 6.51:1 |
Values
| HEX | #A43749 |
| RGB | rgb(164, 55, 73) |
| HSL | hsl(350, 50%, 43%) |
| OKLCH | oklch(49.9% 0.143 14.3) |
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 #A43749 | 6.51:1 | AA | Lc -86.6 | Fine for body text |
| Black text on #A43749 | 3.22:1 | AA large text | Lc 22.6 | Dividers and decoration only |
| #A43749 text on white | 6.51:1 | AA | Lc 81.4 | Fine for body text |
| #A43749 text on black | 3.22:1 | AA large text | Lc -20.4 | 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 700.
-
Step 50
50
#FCF3F3
oklch(97.1% 0.01 17.3)
-
Step 100
100
#F7E5E6
oklch(93.7% 0.02 13.6)
-
Step 200
200
#F2CFD1
oklch(88.5% 0.039 14)
-
Step 300
300
#EAAFB3
oklch(81% 0.069 14.2)
-
Step 400
400
#DD838B
oklch(70.8% 0.111 14.6)
-
Step 500
500
#D0616F
oklch(63.1% 0.141 14.2)
-
Step 600
600
#BC4457
oklch(55.7% 0.154 14.3)
-
Step 700
700 (this color)
#A43749
oklch(49.9% 0.143 14.3)
-
Step 800
800
#832D3A
oklch(42.7% 0.118 14.7)
-
Step 900
900
#6A2932
oklch(37.7% 0.093 14.3)
-
Step 950
950
#3E191D
oklch(27% 0.058 15.1)
#A43749 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) | #514F49 | 0.158 |
| Deuteranopia (no green cones) | #6D6646 | 0.146 |
| Tritanopia (no blue cones) | #B3223E | 0.036 |
| Achromatopsia (no color) | #5E5E5E | 0.144 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A43749
#A43749
oklch(49.9% 0.143 14.3)
- #007271
#007271
oklch(49.9% 0.085 193.7)
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 #A43749, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Burgundy #A8415B ΔE 0.029
- Light Maroon #A24857 ΔE 0.033
- Brown #A52A2A ΔE 0.038
- Rouge #AB1239 ΔE 0.044
- Brick #A03623 ΔE 0.048
- Firebrick #B22222 ΔE 0.050
- Auburn #9B2226 ΔE 0.054
- Dark Rose #B5485D ΔE 0.054
Use #A43749 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.