#A6591D
Closest named color: Raw Umber (#A75E09). oklch(54.5% 0.123 53.6), rgb(166, 89, 29).
Aa
White text reads best on this color (5.16:1).
About this color
#A6591D is a medium-dark, moderately saturated brown. In OKLCH its lightness is 55%, its chroma 0.123 and its hue 54°. Its hue sits on the warm side of the wheel. The nearest named color is Raw Umber (#A75E09), ΔE 0.018 away. White text reads best on it, at 5.16:1.
| Hue family | Browns |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.123) |
| Temperature | warm |
| Nearest name | Raw Umber (#A75E09) |
| Black text | 4.06:1 |
| White text | 5.16:1 |
Values
| HEX | #A6591D |
| RGB | rgb(166, 89, 29) |
| HSL | hsl(26, 70%, 38%) |
| OKLCH | oklch(54.5% 0.123 53.6) |
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 #A6591D | 5.16:1 | AA | Lc -80.5 | Fine for body text |
| Black text on #A6591D | 4.06:1 | AA large text | Lc 28.9 | Dividers and decoration only |
| #A6591D text on white | 5.16:1 | AA | Lc 75.1 | Fine for body text |
| #A6591D 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
#EAD4C7
oklch(88.4% 0.03 52.7)
-
Step 300
300
#DEB8A0
oklch(81% 0.055 54)
-
Step 400
400
#CC916B
oklch(70.6% 0.089 53.6)
-
Step 500
500
#BE7543
oklch(63.1% 0.113 53.6)
-
Step 600
600 (this color)
#A6591D
oklch(54.5% 0.123 53.6)
-
Step 700
700
#914B13
oklch(49% 0.114 53.3)
-
Step 800
800
#763E13
oklch(42.7% 0.095 53.5)
-
Step 900
900
#5F3518
oklch(37.5% 0.073 53)
-
Step 950
950
#38200F
oklch(27.1% 0.046 54.7)
#A6591D 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) | #706213 | 0.100 |
| Deuteranopia (no green cones) | #82741C | 0.091 |
| Tritanopia (no blue cones) | #B6484D | 0.078 |
| Achromatopsia (no color) | #6D6D6D | 0.123 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A6591D
#A6591D
oklch(54.5% 0.123 53.6)
- #007AA8
#007AA8
oklch(54.6% 0.114 233.8)
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 #A6591D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Raw Umber #A75E09 ΔE 0.018
- Cinnamon #AC4F06 ΔE 0.022
- Sepia #985E2B ΔE 0.027
- Sienna #A0522D ΔE 0.028
- Orangey Brown #B16002 ΔE 0.031
- Burnt Siena #B75203 ΔE 0.032
- Earth #A2653E ΔE 0.034
- Raw Sienna #9A6200 ΔE 0.036
Use #A6591D 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.