#A3452A
Closest named color: Burnt Umber (#A0450E). oklch(51% 0.131 36.7), rgb(163, 69, 42).
Aa
White text reads best on this color (6.10:1).
About this color
#A3452A is a medium-dark, moderately saturated red. In OKLCH its lightness is 51%, its chroma 0.131 and its hue 37°. Its hue sits on the warm side of the wheel. The nearest named color is Burnt Umber (#A0450E), ΔE 0.022 away. White text reads best on it, at 6.10:1.
| Hue family | Reds |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.131) |
| Temperature | warm |
| Nearest name | Burnt Umber (#A0450E) |
| Black text | 3.44:1 |
| White text | 6.10:1 |
Values
| HEX | #A3452A |
| RGB | rgb(163, 69, 42) |
| HSL | hsl(13, 59%, 40%) |
| OKLCH | oklch(51% 0.131 36.7) |
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 #A3452A | 6.10:1 | AA | Lc -85.0 | Fine for body text |
| Black text on #A3452A | 3.44:1 | AA large text | Lc 24.2 | Dividers and decoration only |
| #A3452A text on white | 6.10:1 | AA | Lc 79.8 | Fine for body text |
| #A3452A text on black | 3.44:1 | AA large text | Lc -22.0 | 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
#FBF4F1
oklch(97.2% 0.009 44.9)
-
Step 100
100
#F6E6E1
oklch(93.6% 0.019 38.1)
-
Step 200
200
#EFD2C9
oklch(88.6% 0.035 38)
-
Step 300
300
#E6B3A4
oklch(80.9% 0.063 37)
-
Step 400
400
#D88973
oklch(70.7% 0.103 36.3)
-
Step 500
500
#CB6A4E
oklch(63.1% 0.13 37)
-
Step 600
600
#B64F32
oklch(55.5% 0.141 36.5)
-
Step 700
700 (this color)
#A3452A
oklch(51% 0.131 36.7)
-
Step 800
800
#7F3520
oklch(42.7% 0.108 36.6)
-
Step 900
900
#672F1F
oklch(37.8% 0.085 36.8)
-
Step 950
950
#3C1C13
oklch(26.9% 0.053 36.6)
#A3452A 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) | #5F5527 | 0.130 |
| Deuteranopia (no green cones) | #766A27 | 0.120 |
| Tritanopia (no blue cones) | #B3303F | 0.057 |
| Achromatopsia (no color) | #626262 | 0.132 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3452A
#A3452A
oklch(51% 0.131 36.7)
- #007288
#007288
oklch(50.9% 0.091 217.4)
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 #A3452A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burnt Umber #A0450E ΔE 0.022
- Sienna #A0522D ΔE 0.029
- Russet #A13905 ΔE 0.030
- Brick #A03623 ΔE 0.031
- Rusty Red #AF2F0D ΔE 0.040
- Cinnamon #AC4F06 ΔE 0.041
- Warm Brown #964E02 ΔE 0.045
- Sinopia #BB3E03 ΔE 0.048
Use #A3452A 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.