#A8451B
Closest named color: Burnt Umber (#A0450E). oklch(51.7% 0.141 41), rgb(168, 69, 27).
Aa
White text reads best on this color (5.94:1).
About this color
#A8451B is a medium-dark, vivid orange. In OKLCH its lightness is 52%, its chroma 0.141 and its hue 41°. Its hue sits on the warm side of the wheel. The nearest named color is Burnt Umber (#A0450E), ΔE 0.018 away. White text reads best on it, at 5.94:1.
| Hue family | Oranges |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.141) |
| Temperature | warm |
| Nearest name | Burnt Umber (#A0450E) |
| Black text | 3.53:1 |
| White text | 5.94:1 |
Values
| HEX | #A8451B |
| RGB | rgb(168, 69, 27) |
| HSL | hsl(18, 72%, 38%) |
| OKLCH | oklch(51.7% 0.141 41) |
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 #A8451B | 5.94:1 | AA | Lc -84.2 | Fine for body text |
| Black text on #A8451B | 3.53:1 | AA large text | Lc 25.1 | Dividers and decoration only |
| #A8451B text on white | 5.94:1 | AA | Lc 79.0 | Fine for body text |
| #A8451B 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
#F0D2C6
oklch(88.6% 0.038 43.1)
-
Step 300
300
#E8B39F
oklch(81% 0.068 41.6)
-
Step 400
400
#DA896A
oklch(70.7% 0.109 41.6)
-
Step 500
500
#CE6841
oklch(63% 0.14 41)
-
Step 600
600
#B94D1F
oklch(55.5% 0.151 41.1)
-
Step 700
700 (this color)
#A8451B
oklch(51.7% 0.141 41)
-
Step 800
800
#813312
oklch(42.6% 0.116 41)
-
Step 900
900
#682E17
oklch(37.7% 0.09 41.2)
-
Step 950
950
#3D1C0F
oklch(27% 0.056 41.6)
#A8451B 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) | #615614 | 0.137 |
| Deuteranopia (no green cones) | #796C17 | 0.125 |
| Tritanopia (no blue cones) | #B92D3D | 0.067 |
| Achromatopsia (no color) | #646464 | 0.142 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A8451B
#A8451B
oklch(51.7% 0.141 41)
- #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 #A8451B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burnt Umber #A0450E ΔE 0.018
- Cinnamon #AC4F06 ΔE 0.029
- Sienna #A0522D ΔE 0.029
- Russet #A13905 ΔE 0.030
- Sinopia #BB3E03 ΔE 0.036
- Rusty Red #AF2F0D ΔE 0.037
- Brick #A03623 ΔE 0.039
- Warm Brown #964E02 ΔE 0.043
Use #A8451B 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.