#7F310F
Closest named color: Rust Brown (#8B3103). oklch(41.9% 0.117 41.1), rgb(127, 49, 15).
Aa
White text reads best on this color (8.94:1).
About this color
#7F310F is a dark, moderately saturated brown. In OKLCH its lightness is 42%, its chroma 0.117 and its hue 41°. Its hue sits on the warm side of the wheel. The nearest named color is Rust Brown (#8B3103), ΔE 0.025 away. White text reads best on it, at 8.94:1.
| Hue family | Browns |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.117) |
| Temperature | warm |
| Nearest name | Rust Brown (#8B3103) |
| Black text | 2.34:1 |
| White text | 8.94:1 |
Values
| HEX | #7F310F |
| RGB | rgb(127, 49, 15) |
| HSL | hsl(18, 79%, 28%) |
| OKLCH | oklch(41.9% 0.117 41.1) |
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 #7F310F | 8.94:1 | AAA | Lc -94.3 | Preferred for body text |
| Black text on #7F310F | 2.34:1 | Fails | Lc 14.2 | Not readable |
| #7F310F text on white | 8.94:1 | AAA | Lc 89.8 | Fine for body text |
| #7F310F text on black | 2.34:1 | Fails | Lc -12.5 | 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 800.
-
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
#F0D2C6
oklch(88.6% 0.038 43.1)
-
Step 300
300
#E8B39F
oklch(81% 0.068 41.6)
-
Step 400
400
#DA896A
oklch(70.7% 0.109 41.6)
-
Step 500
500
#CE6841
oklch(63% 0.14 41)
-
Step 600
600
#B94D1F
oklch(55.5% 0.151 41.1)
-
Step 700
700
#9F3D10
oklch(49% 0.141 41.2)
-
Step 800
800 (this color)
#7F310F
oklch(41.9% 0.117 41.1)
-
Step 900
900
#682E17
oklch(37.7% 0.09 41.2)
-
Step 950
950
#3D1B0F
oklch(26.8% 0.057 39.8)
#7F310F 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) | #473E09 | 0.114 |
| Deuteranopia (no green cones) | #5A500B | 0.104 |
| Tritanopia (no blue cones) | #8C1E2B | 0.055 |
| Achromatopsia (no color) | #494949 | 0.118 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7F310F
#7F310F
oklch(41.9% 0.117 41.1)
- #00566A
#00566A
oklch(41.9% 0.077 220.6)
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 #7F310F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rust Brown #8B3103 ΔE 0.025
- Red Brown #8B2E16 ΔE 0.026
- Chestnut #742802 ΔE 0.033
- Brown Red #922B05 ΔE 0.038
- Brick Red #8F1402 ΔE 0.048
- Saddle Brown #8B4513 ΔE 0.055
- Dark Red #8B0000 ΔE 0.059
- Maroon #800000 ΔE 0.063
Use #7F310F 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.