#A6591A
Closest named color: Raw Umber (#A75E09). oklch(54.5% 0.124 54.4), rgb(166, 89, 26).
Aa
White text reads best on this color (5.16:1).
About this color
#A6591A is a medium-dark, moderately saturated brown. In OKLCH its lightness is 55%, its chroma 0.124 and its hue 54°. Its hue sits on the warm side of the wheel. The nearest named color is Raw Umber (#A75E09), ΔE 0.016 away. White text reads best on it, at 5.16:1.
| Hue family | Browns |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.124) |
| Temperature | warm |
| Nearest name | Raw Umber (#A75E09) |
| Black text | 4.06:1 |
| White text | 5.16:1 |
Values
| HEX | #A6591A |
| RGB | rgb(166, 89, 26) |
| HSL | hsl(27, 73%, 38%) |
| OKLCH | oklch(54.5% 0.124 54.4) |
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 #A6591A | 5.16:1 | AA | Lc -80.5 | Fine for body text |
| Black text on #A6591A | 4.06:1 | AA large text | Lc 28.9 | Dividers and decoration only |
| #A6591A text on white | 5.16:1 | AA | Lc 75.1 | Fine for body text |
| #A6591A text on black | 4.06:1 | AA large text | Lc -26.6 | 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
#F3E7E0
oklch(93.6% 0.016 52.6)
-
Step 200
200
#EAD4C6
oklch(88.4% 0.031 54.7)
-
Step 300
300
#DEB89F
oklch(81% 0.056 55.1)
-
Step 400
400
#CC926A
oklch(70.7% 0.089 55.3)
-
Step 500
500
#BE7541
oklch(63.1% 0.114 54.4)
-
Step 600
600 (this color)
#A6591A
oklch(54.5% 0.124 54.4)
-
Step 700
700
#914B0F
oklch(49% 0.115 54.2)
-
Step 800
800
#763E12
oklch(42.7% 0.095 53.9)
-
Step 900
900
#5F3617
oklch(37.7% 0.073 55.2)
-
Step 950
950
#38200F
oklch(27.1% 0.046 54.7)
#A6591A 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) | #70620E | 0.101 |
| Deuteranopia (no green cones) | #827419 | 0.091 |
| Tritanopia (no blue cones) | #B6484D | 0.080 |
| Achromatopsia (no color) | #6D6D6D | 0.124 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A6591A
#A6591A
oklch(54.5% 0.124 54.4)
- #007AA9
#007AA9
oklch(54.6% 0.115 234.3)
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 #A6591A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Raw Umber #A75E09 ΔE 0.016
- Cinnamon #AC4F06 ΔE 0.022
- Sepia #985E2B ΔE 0.027
- Sienna #A0522D ΔE 0.029
- Orangey Brown #B16002 ΔE 0.031
- Burnt Siena #B75203 ΔE 0.032
- Earth #A2653E ΔE 0.035
- Raw Sienna #9A6200 ΔE 0.035
Use #A6591A 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.