#5A1709
Closest named color: Reddy Brown (#6E1005). oklch(31.5% 0.101 33.5), rgb(90, 23, 9).
Aa
White text reads best on this color (13.45:1).
About this color
#5A1709 is a dark, moderately saturated red. In OKLCH its lightness is 32%, its chroma 0.101 and its hue 33°. Its hue sits on the warm side of the wheel. The nearest named color is Reddy Brown (#6E1005), ΔE 0.044 away. White text reads best on it, at 13.45:1.
| Hue family | Reds |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.101) |
| Temperature | warm |
| Nearest name | Reddy Brown (#6E1005) |
| Black text | 1.56:1 |
| White text | 13.45:1 |
Values
| HEX | #5A1709 |
| RGB | rgb(90, 23, 9) |
| HSL | hsl(10, 82%, 19%) |
| OKLCH | oklch(31.5% 0.101 33.5) |
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 #5A1709 | 13.45:1 | AAA | Lc -102.4 | Preferred for body text |
| Black text on #5A1709 | 1.56:1 | Fails | Lc 0.0 | Not readable |
| #5A1709 text on white | 13.45:1 | AAA | Lc 99.1 | Preferred for body text |
| #5A1709 text on black | 1.56:1 | 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
#FFF2EF
oklch(97.1% 0.015 33.1)
-
Step 100
100
#FFE3DC
oklch(93.7% 0.032 34.3)
-
Step 200
200
#FFCBBF
oklch(88.5% 0.062 33.2)
-
Step 300
300
#FFA692
oklch(80.8% 0.11 33.3)
-
Step 400
400
#FF6B4C
oklch(70.7% 0.187 33.5)
-
Step 500
500
#F53700
oklch(63.2% 0.23 33.5)
-
Step 600
600
#CF2C00
oklch(55.6% 0.203 33.4)
-
Step 700
700
#AF2400
oklch(49.1% 0.179 33.5)
-
Step 800
800
#911C00
oklch(42.7% 0.156 33.4)
-
Step 900
900
#7A1600
oklch(37.7% 0.137 33.5)
-
Step 950
950 (this color)
#5A1709
oklch(31.5% 0.101 33.5)
#5A1709 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) | #2B2507 | 0.104 |
| Deuteranopia (no green cones) | #3B3406 | 0.095 |
| Tritanopia (no blue cones) | #640114 | 0.037 |
| Achromatopsia (no color) | #2F2F2F | 0.101 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5A1709
#5A1709
oklch(31.5% 0.101 33.5)
- #003942
#003942
oklch(31.6% 0.055 211.8)
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 #5A1709, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Reddy Brown #6E1005 ΔE 0.044
- Claret #680018 ΔE 0.044
- Burgundy #610023 ΔE 0.053
- Mahogany #4A0100 ΔE 0.058
- Chocolate Brown #411900 ΔE 0.059
- Blood #770001 ΔE 0.063
- Chestnut #742802 ΔE 0.074
- Deep Brown #410200 ΔE 0.078
Use #5A1709 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.