#A03751
Closest named color: Light Burgundy (#A8415B). oklch(49.4% 0.14 8.8), rgb(160, 55, 81).
Aa
White text reads best on this color (6.64:1).
About this color
#A03751 is a medium-dark, moderately saturated red. In OKLCH its lightness is 49%, its chroma 0.140 and its hue 9°. Its hue sits on the warm side of the wheel. The nearest named color is Light Burgundy (#A8415B), ΔE 0.028 away. White text reads best on it, at 6.64:1.
| Hue family | Reds |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.140) |
| Temperature | warm |
| Nearest name | Light Burgundy (#A8415B) |
| Black text | 3.16:1 |
| White text | 6.64:1 |
Values
| HEX | #A03751 |
| RGB | rgb(160, 55, 81) |
| HSL | hsl(345, 49%, 42%) |
| OKLCH | oklch(49.4% 0.14 8.8) |
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 #A03751 | 6.64:1 | AA | Lc -87.1 | Fine for body text |
| Black text on #A03751 | 3.16:1 | AA large text | Lc 22.0 | Dividers and decoration only |
| #A03751 text on white | 6.64:1 | AA | Lc 82.0 | Fine for body text |
| #A03751 text on black | 3.16:1 | AA large text | Lc -19.9 | 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
#FBF3F4
oklch(97.1% 0.009 8.5)
-
Step 100
100
#F6E5E7
oklch(93.6% 0.019 9.3)
-
Step 200
200
#F1CFD4
oklch(88.5% 0.039 7.9)
-
Step 300
300
#E8AFB7
oklch(80.9% 0.067 9.3)
-
Step 400
400
#DA8393
oklch(70.6% 0.108 8.3)
-
Step 500
500
#CE6178
oklch(63.1% 0.139 8.7)
-
Step 600
600
#B94561
oklch(55.6% 0.151 8.7)
-
Step 700
700 (this color)
#A03751
oklch(49.4% 0.14 8.8)
-
Step 800
800
#812E42
oklch(42.7% 0.115 8.7)
-
Step 900
900
#682A38
oklch(37.7% 0.09 8.4)
-
Step 950
950
#3D1921
oklch(26.9% 0.057 7.7)
#A03751 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) | #4E4F52 | 0.156 |
| Deuteranopia (no green cones) | #6A644F | 0.141 |
| Tritanopia (no blue cones) | #AE2741 | 0.036 |
| Achromatopsia (no color) | #5C5C5C | 0.141 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A03751
#A03751
oklch(49.4% 0.14 8.8)
- #00716B
#00716B
oklch(49.4% 0.086 188.4)
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 #A03751, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Burgundy #A8415B ΔE 0.028
- Light Maroon #A24857 ΔE 0.035
- Rouge #AB1239 ΔE 0.049
- Brown #A52A2A ΔE 0.050
- Raspberry #B00149 ΔE 0.055
- Dark Rose #B5485D ΔE 0.058
- Berry #990F4B ΔE 0.059
- Brick #A03623 ΔE 0.059
Use #A03751 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.