#591F06
Closest named color: Reddy Brown (#6E1005). oklch(32.4% 0.092 40.9), rgb(89, 31, 6).
Aa
White text reads best on this color (12.93:1).
About this color
#591F06 is a dark, moderately saturated brown. In OKLCH its lightness is 32%, its chroma 0.092 and its hue 41°. Its hue sits on the warm side of the wheel. The nearest named color is Reddy Brown (#6E1005), ΔE 0.048 away. White text reads best on it, at 12.93:1.
| Hue family | Browns |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.092) |
| Temperature | warm |
| Nearest name | Reddy Brown (#6E1005) |
| Black text | 1.62:1 |
| White text | 12.93:1 |
Values
| HEX | #591F06 |
| RGB | rgb(89, 31, 6) |
| HSL | hsl(18, 87%, 19%) |
| OKLCH | oklch(32.4% 0.092 40.9) |
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 #591F06 | 12.93:1 | AAA | Lc -101.9 | Preferred for body text |
| Black text on #591F06 | 1.62:1 | Fails | Lc 0.0 | Not readable |
| #591F06 text on white | 12.93:1 | AAA | Lc 98.5 | Preferred for body text |
| #591F06 text on black | 1.62:1 | Fails | Lc 0.0 | Not readable |
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 900.
-
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
#F1D1C6
oklch(88.5% 0.039 39.9)
-
Step 300
300
#E8B29F
oklch(80.8% 0.069 40.2)
-
Step 400
400
#DB886A
oklch(70.7% 0.111 40.6)
-
Step 500
500
#CF6840
oklch(63.2% 0.141 41.2)
-
Step 600
600
#BA4C1D
oklch(55.5% 0.154 41)
-
Step 700
700
#A03C0E
oklch(49% 0.143 40.9)
-
Step 800
800
#823311
oklch(42.7% 0.118 41.1)
-
Step 900
900 (this color)
#591F06
oklch(32.4% 0.092 40.9)
-
Step 950
950
#3E1B0E
oklch(27% 0.059 40.5)
#591F06 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) | #302903 | 0.090 |
| Deuteranopia (no green cones) | #3E3604 | 0.081 |
| Tritanopia (no blue cones) | #63101A | 0.043 |
| Achromatopsia (no color) | #313131 | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #591F06
#591F06
oklch(32.4% 0.092 40.9)
- #003A49
#003A49
oklch(32.3% 0.059 221.5)
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 #591F06, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Reddy Brown #6E1005 ΔE 0.048
- Claret #680018 ΔE 0.058
- Chocolate Brown #411900 ΔE 0.060
- Chestnut #742802 ΔE 0.066
- Burgundy #610023 ΔE 0.068
- Blood #770001 ΔE 0.068
- Mahogany #4A0100 ΔE 0.070
- Maroon #800000 ΔE 0.085
Use #591F06 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.