#A54403
Closest named color: Burnt Umber (#A0450E). oklch(50.9% 0.143 45.4), rgb(165, 68, 3).
Aa
White text reads best on this color (6.12:1).
About this color
#A54403 is a medium-dark, vivid orange. In OKLCH its lightness is 51%, its chroma 0.143 and its hue 45°. Its hue sits on the warm side of the wheel. The nearest named color is Burnt Umber (#A0450E), ΔE 0.010 away. White text reads best on it, at 6.12:1.
| Hue family | Oranges |
| Lightness | medium-dark (51%) |
| Chroma | vivid (0.143) |
| Temperature | warm |
| Nearest name | Burnt Umber (#A0450E) |
| Black text | 3.42:1 |
| White text | 6.12:1 |
Values
| HEX | #A54403 |
| RGB | rgb(165, 68, 3) |
| HSL | hsl(24, 96%, 33%) |
| OKLCH | oklch(50.9% 0.143 45.4) |
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 #A54403 | 6.12:1 | AA | Lc -85.0 | Fine for body text |
| Black text on #A54403 | 3.42:1 | AA large text | Lc 24.3 | Dividers and decoration only |
| #A54403 text on white | 6.12:1 | AA | Lc 79.8 | Fine for body text |
| #A54403 text on black | 3.42:1 | 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
#FBF4F0
oklch(97.1% 0.009 52.1)
-
Step 100
100
#F6E6DF
oklch(93.6% 0.02 45.3)
-
Step 200
200
#F0D2C5
oklch(88.5% 0.038 44.8)
-
Step 300
300
#E7B39C
oklch(80.8% 0.069 45)
-
Step 400
400
#DA8A64
oklch(70.8% 0.111 45.9)
-
Step 500
500
#CD6A38
oklch(63.1% 0.141 45.6)
-
Step 600
600
#B94E0A
oklch(55.6% 0.154 45.2)
-
Step 700
700 (this color)
#A54403
oklch(50.9% 0.143 45.4)
-
Step 800
800
#813404
oklch(42.6% 0.119 45.2)
-
Step 900
900
#682F10
oklch(37.8% 0.092 45.9)
-
Step 950
950
#3D1C0B
oklch(27% 0.058 46.2)
#A54403 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) | #605400 | 0.133 |
| Deuteranopia (no green cones) | #786A00 | 0.120 |
| Tritanopia (no blue cones) | #B62B3A | 0.075 |
| Achromatopsia (no color) | #626262 | 0.144 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A54403
#A54403
oklch(50.9% 0.143 45.4)
- #007190
#007190
oklch(51.1% 0.097 225.3)
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 #A54403, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burnt Umber #A0450E ΔE 0.010
- Russet #A13905 ΔE 0.025
- Cinnamon #AC4F06 ΔE 0.029
- Sienna #A0522D ΔE 0.033
- Warm Brown #964E02 ΔE 0.034
- Rusty Red #AF2F0D ΔE 0.041
- Brick #A03623 ΔE 0.041
- Sinopia #BB3E03 ΔE 0.043
Use #A54403 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.