#AB540B
Closest named color: Cinnamon (#AC4F06). oklch(54.3% 0.136 51.9), rgb(171, 84, 11).
Aa
White text reads best on this color (5.24:1).
About this color
#AB540B is a medium-dark, moderately saturated brown. In OKLCH its lightness is 54%, its chroma 0.136 and its hue 52°. Its hue sits on the warm side of the wheel. The nearest named color is Cinnamon (#AC4F06), ΔE 0.011 away. White text reads best on it, at 5.24:1.
| Hue family | Browns |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.136) |
| Temperature | warm |
| Nearest name | Cinnamon (#AC4F06) |
| Black text | 4.00:1 |
| White text | 5.24:1 |
Values
| HEX | #AB540B |
| RGB | rgb(171, 84, 11) |
| HSL | hsl(27, 88%, 36%) |
| OKLCH | oklch(54.3% 0.136 51.9) |
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 #AB540B | 5.24:1 | AA | Lc -80.8 | Fine for body text |
| Black text on #AB540B | 4.00:1 | AA large text | Lc 28.6 | Dividers and decoration only |
| #AB540B text on white | 5.24:1 | AA | Lc 75.5 | Fine for body text |
| #AB540B text on black | 4.00:1 | AA large text | Lc -26.3 | 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 600.
-
Step 50
50
#FAF4F1
oklch(97.1% 0.008 48.7)
-
Step 100
100
#F4E7DF
oklch(93.6% 0.018 54)
-
Step 200
200
#ECD3C5
oklch(88.4% 0.034 51.2)
-
Step 300
300
#E1B69D
oklch(80.8% 0.061 51.7)
-
Step 400
400
#D18F67
oklch(70.7% 0.097 51.8)
-
Step 500
500
#C4713B
oklch(63.1% 0.125 51.6)
-
Step 600
600 (this color)
#AB540B
oklch(54.3% 0.136 51.9)
-
Step 700
700
#964700
oklch(49% 0.126 51.9)
-
Step 800
800
#7A3B09
oklch(42.7% 0.104 51.9)
-
Step 900
900
#633313
oklch(37.7% 0.082 51.1)
-
Step 950
950
#3A1E0D
oklch(26.9% 0.052 50.3)
#AB540B 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) | #6E6000 | 0.115 |
| Deuteranopia (no green cones) | #837407 | 0.104 |
| Tritanopia (no blue cones) | #BC4048 | 0.083 |
| Achromatopsia (no color) | #6C6C6C | 0.136 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AB540B
#AB540B
oklch(54.3% 0.136 51.9)
- #007AA5
#007AA5
oklch(54.4% 0.111 232)
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 #AB540B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cinnamon #AC4F06 ΔE 0.011
- Burnt Siena #B75203 ΔE 0.022
- Raw Umber #A75E09 ΔE 0.024
- Sienna #A0522D ΔE 0.031
- Orangey Brown #B16002 ΔE 0.032
- Sepia #985E2B ΔE 0.039
- Burnt Orange #C04E01 ΔE 0.040
- Umber #B26400 ΔE 0.043
Use #AB540B 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.