#8F3109
Closest named color: Rust Brown (#8B3103). oklch(44.6% 0.135 39.4), rgb(143, 49, 9).
Aa
White text reads best on this color (8.04:1).
About this color
#8F3109 is a dark, moderately saturated red. In OKLCH its lightness is 45%, its chroma 0.135 and its hue 39°. Its hue sits on the warm side of the wheel. The nearest named color is Rust Brown (#8B3103), ΔE 0.009 away. White text reads best on it, at 8.04:1.
| Hue family | Reds |
| Lightness | dark (45%) |
| Chroma | moderately saturated (0.135) |
| Temperature | warm |
| Nearest name | Rust Brown (#8B3103) |
| Black text | 2.61:1 |
| White text | 8.04:1 |
Values
| HEX | #8F3109 |
| RGB | rgb(143, 49, 9) |
| HSL | hsl(18, 88%, 30%) |
| OKLCH | oklch(44.6% 0.135 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 #8F3109 | 8.04:1 | AAA | Lc -91.7 | Preferred for body text |
| Black text on #8F3109 | 2.61:1 | Fails | Lc 17.1 | Dividers and decoration only |
| #8F3109 text on white | 8.04:1 | AAA | Lc 86.9 | Fine for body text |
| #8F3109 text on black | 2.61:1 | Fails | Lc -15.2 | 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 800.
-
Step 50
50
#FCF3F0
oklch(97% 0.011 39.4)
-
Step 100
100
#F8E5DF
oklch(93.5% 0.022 38.3)
-
Step 200
200
#F4D0C4
oklch(88.5% 0.044 39.3)
-
Step 300
300
#EEB09B
oklch(81% 0.079 39.5)
-
Step 400
400
#E38363
oklch(70.7% 0.127 39.1)
-
Step 500
500
#D86035
oklch(63.1% 0.162 39.4)
-
Step 600
600
#C34102
oklch(55.5% 0.176 39.3)
-
Step 700
700
#A63600
oklch(49.2% 0.156 39.5)
-
Step 800
800 (this color)
#8F3109
oklch(44.6% 0.135 39.4)
-
Step 900
900
#6E290E
oklch(37.8% 0.105 39.9)
-
Step 950
950
#41190B
oklch(27.1% 0.067 39.3)
#8F3109 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) | #4D4301 | 0.135 |
| Deuteranopia (no green cones) | #645802 | 0.122 |
| Tritanopia (no blue cones) | #9E152A | 0.060 |
| Achromatopsia (no color) | #505050 | 0.136 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #8F3109
#8F3109
oklch(44.6% 0.135 39.4)
- #005E73
#005E73
oklch(44.6% 0.081 220)
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 #8F3109, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rust Brown #8B3103 ΔE 0.009
- Brown Red #922B05 ΔE 0.011
- Red Brown #8B2E16 ΔE 0.015
- Burnt Red #9F2305 ΔE 0.035
- Saddle Brown #8B4513 ΔE 0.042
- Brick Red #8F1402 ΔE 0.042
- Brick #A03623 ΔE 0.042
- Russet #A13905 ΔE 0.043
Use #8F3109 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.