#A8451D
Closest named color: Burnt Umber (#A0450E). oklch(51.7% 0.14 40.5), rgb(168, 69, 29).
Aa
White text reads best on this color (5.94:1).
About this color
#A8451D is a medium-dark, vivid orange. In OKLCH its lightness is 52%, its chroma 0.140 and its hue 40°. Its hue sits on the warm side of the wheel. The nearest named color is Burnt Umber (#A0450E), ΔE 0.019 away. White text reads best on it, at 5.94:1.
| Hue family | Oranges |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.140) |
| Temperature | warm |
| Nearest name | Burnt Umber (#A0450E) |
| Black text | 3.53:1 |
| White text | 5.94:1 |
Values
| HEX | #A8451D |
| RGB | rgb(168, 69, 29) |
| HSL | hsl(17, 71%, 39%) |
| OKLCH | oklch(51.7% 0.14 40.5) |
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 #A8451D | 5.94:1 | AA | Lc -84.2 | Fine for body text |
| Black text on #A8451D | 3.53:1 | AA large text | Lc 25.1 | Dividers and decoration only |
| #A8451D text on white | 5.94:1 | AA | Lc 79.0 | Fine for body text |
| #A8451D text on black | 3.53:1 | AA large text | Lc -22.8 | 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
#F6E6E0
oklch(93.6% 0.019 41.8)
-
Step 200
200
#F0D1C7
oklch(88.4% 0.038 38.7)
-
Step 300
300
#E8B3A0
oklch(81% 0.068 40.6)
-
Step 400
400
#DA896B
oklch(70.7% 0.108 41)
-
Step 500
500
#CE6843
oklch(63.1% 0.139 40.2)
-
Step 600
600
#B94D21
oklch(55.5% 0.151 40.6)
-
Step 700
700 (this color)
#A8451D
oklch(51.7% 0.14 40.5)
-
Step 800
800
#813314
oklch(42.6% 0.116 40.3)
-
Step 900
900
#682E18
oklch(37.7% 0.09 40.6)
-
Step 950
950
#3D1B0F
oklch(26.8% 0.057 39.8)
#A8451D 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) | #615617 | 0.137 |
| Deuteranopia (no green cones) | #796C19 | 0.125 |
| Tritanopia (no blue cones) | #B92D3D | 0.066 |
| Achromatopsia (no color) | #646464 | 0.141 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A8451D
#A8451D
oklch(51.7% 0.14 40.5)
- #00748E
#00748E
oklch(51.7% 0.095 220.6)
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 #A8451D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burnt Umber #A0450E ΔE 0.019
- Sienna #A0522D ΔE 0.029
- Cinnamon #AC4F06 ΔE 0.029
- Russet #A13905 ΔE 0.030
- Sinopia #BB3E03 ΔE 0.037
- Rusty Red #AF2F0D ΔE 0.037
- Brick #A03623 ΔE 0.039
- Warm Brown #964E02 ΔE 0.044
Use #A8451D 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.