#591F09
Closest named color: Reddy Brown (#6E1005). oklch(32.5% 0.091 39.4), rgb(89, 31, 9).
Aa
White text reads best on this color (12.92:1).
About this color
#591F09 is a dark, moderately saturated red. In OKLCH its lightness is 32%, its chroma 0.091 and its hue 39°. Its hue sits on the warm side of the wheel. The nearest named color is Reddy Brown (#6E1005), ΔE 0.047 away. White text reads best on it, at 12.92:1.
| Hue family | Reds |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.091) |
| Temperature | warm |
| Nearest name | Reddy Brown (#6E1005) |
| Black text | 1.62:1 |
| White text | 12.92:1 |
Values
| HEX | #591F09 |
| RGB | rgb(89, 31, 9) |
| HSL | hsl(17, 82%, 19%) |
| OKLCH | oklch(32.5% 0.091 39.4) |
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 #591F09 | 12.92:1 | AAA | Lc -101.9 | Preferred for body text |
| Black text on #591F09 | 1.62:1 | Fails | Lc 0.0 | Not readable |
| #591F09 text on white | 12.92:1 | AAA | Lc 98.5 | Preferred for body text |
| #591F09 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
#FBF3F1
oklch(97% 0.009 34.3)
-
Step 100
100
#F6E6E0
oklch(93.6% 0.019 41.8)
-
Step 200
200
#F1D1C7
oklch(88.5% 0.039 38.1)
-
Step 300
300
#E8B2A0
oklch(80.8% 0.068 39.2)
-
Step 400
400
#DB886C
oklch(70.7% 0.11 39.4)
-
Step 500
500
#CF6844
oklch(63.2% 0.14 39.6)
-
Step 600
600
#BA4C23
oklch(55.6% 0.152 39.5)
-
Step 700
700
#A03C15
oklch(49.1% 0.142 39.4)
-
Step 800
800
#823315
oklch(42.8% 0.117 39.7)
-
Step 900
900 (this color)
#591F09
oklch(32.5% 0.091 39.4)
-
Step 950
950
#3E1B0F
oklch(27% 0.059 39.4)
#591F09 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) | #302906 | 0.089 |
| Deuteranopia (no green cones) | #3E3607 | 0.081 |
| Tritanopia (no blue cones) | #63101B | 0.042 |
| Achromatopsia (no color) | #313131 | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #591F09
#591F09
oklch(32.5% 0.091 39.4)
- #003B48
#003B48
oklch(32.5% 0.058 218.1)
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 #591F09, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Reddy Brown #6E1005 ΔE 0.047
- Claret #680018 ΔE 0.056
- Chocolate Brown #411900 ΔE 0.060
- Burgundy #610023 ΔE 0.066
- Chestnut #742802 ΔE 0.066
- Blood #770001 ΔE 0.068
- Mahogany #4A0100 ΔE 0.070
- Maroon #800000 ΔE 0.085
Use #591F09 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.