#591A05
Closest named color: Reddy Brown (#6E1005). oklch(31.7% 0.097 37.6), rgb(89, 26, 5).
Aa
White text reads best on this color (13.33:1).
About this color
#591A05 is a dark, moderately saturated red. In OKLCH its lightness is 32%, its chroma 0.097 and its hue 38°. Its hue sits on the warm side of the wheel. The nearest named color is Reddy Brown (#6E1005), ΔE 0.046 away. White text reads best on it, at 13.33:1.
| Hue family | Reds |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.097) |
| Temperature | warm |
| Nearest name | Reddy Brown (#6E1005) |
| Black text | 1.57:1 |
| White text | 13.33:1 |
Values
| HEX | #591A05 |
| RGB | rgb(89, 26, 5) |
| HSL | hsl(15, 89%, 18%) |
| OKLCH | oklch(31.7% 0.097 37.6) |
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 #591A05 | 13.33:1 | AAA | Lc -102.3 | Preferred for body text |
| Black text on #591A05 | 1.57:1 | Fails | Lc 0.0 | Not readable |
| #591A05 text on white | 13.33:1 | AAA | Lc 99.0 | Preferred for body text |
| #591A05 text on black | 1.57:1 | 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 950.
-
Step 50
50
#FFF2EE
oklch(97% 0.015 37.9)
-
Step 100
100
#FFE3DA
oklch(93.6% 0.033 38.6)
-
Step 200
200
#FFCCBC
oklch(88.6% 0.062 38.1)
-
Step 300
300
#FFA78C
oklch(80.9% 0.111 37.8)
-
Step 400
400
#FD6E42
oklch(70.7% 0.185 37.5)
-
Step 500
500
#EB4900
oklch(63% 0.208 37.6)
-
Step 600
600
#C73C00
oklch(55.6% 0.184 37.5)
-
Step 700
700
#A83100
oklch(49% 0.162 37.4)
-
Step 800
800
#8B2700
oklch(42.7% 0.141 37.5)
-
Step 900
900
#752000
oklch(37.7% 0.124 37.7)
-
Step 950
950 (this color)
#591A05
oklch(31.7% 0.097 37.6)
#591A05 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) | #2D2602 | 0.098 |
| Deuteranopia (no green cones) | #3C3502 | 0.091 |
| Tritanopia (no blue cones) | #630716 | 0.041 |
| Achromatopsia (no color) | #2F2F2F | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #591A05
#591A05
oklch(31.7% 0.097 37.6)
- #003945
#003945
oklch(31.8% 0.057 217)
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 #591A05, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Reddy Brown #6E1005 ΔE 0.046
- Claret #680018 ΔE 0.051
- Chocolate Brown #411900 ΔE 0.056
- Burgundy #610023 ΔE 0.061
- Mahogany #4A0100 ΔE 0.061
- Blood #770001 ΔE 0.066
- Chestnut #742802 ΔE 0.072
- Deep Brown #410200 ΔE 0.080
Use #591A05 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.