#7A3718
Closest named color: Rust Brown (#8B3103). oklch(42.1% 0.103 43.4), rgb(122, 55, 24).
Aa
White text reads best on this color (8.79:1).
About this color
#7A3718 is a dark, moderately saturated brown. In OKLCH its lightness is 42%, its chroma 0.103 and its hue 43°. Its hue sits on the warm side of the wheel. The nearest named color is Rust Brown (#8B3103), ΔE 0.035 away. White text reads best on it, at 8.79:1.
| Hue family | Browns |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.103) |
| Temperature | warm |
| Nearest name | Rust Brown (#8B3103) |
| Black text | 2.38:1 |
| White text | 8.79:1 |
Values
| HEX | #7A3718 |
| RGB | rgb(122, 55, 24) |
| HSL | hsl(19, 67%, 29%) |
| OKLCH | oklch(42.1% 0.103 43.4) |
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 #7A3718 | 8.79:1 | AAA | Lc -94.1 | Preferred for body text |
| Black text on #7A3718 | 2.38:1 | Fails | Lc 14.4 | Not readable |
| #7A3718 text on white | 8.79:1 | AAA | Lc 89.6 | Fine for body text |
| #7A3718 text on black | 2.38:1 | Fails | Lc -12.7 | 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
#FAF4F1
oklch(97.1% 0.008 48.7)
-
Step 100
100
#F5E6E1
oklch(93.5% 0.018 39.4)
-
Step 200
200
#EDD3C8
oklch(88.5% 0.033 44.3)
-
Step 300
300
#E3B5A2
oklch(80.9% 0.06 43.6)
-
Step 400
400
#D38D6F
oklch(70.7% 0.096 44)
-
Step 500
500
#C66E49
oklch(63% 0.123 42.9)
-
Step 600
600
#B2542A
oklch(55.6% 0.134 42.9)
-
Step 700
700
#98441C
oklch(49% 0.124 43.4)
-
Step 800
800 (this color)
#7A3718
oklch(42.1% 0.103 43.4)
-
Step 900
900
#64321B
oklch(37.8% 0.08 44.2)
-
Step 950
950
#3B1D11
oklch(26.9% 0.052 42.1)
#7A3718 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) | #4A4114 | 0.096 |
| Deuteranopia (no green cones) | #5A5016 | 0.088 |
| Tritanopia (no blue cones) | #862830 | 0.053 |
| Achromatopsia (no color) | #4A4A4A | 0.104 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7A3718
#7A3718
oklch(42.1% 0.103 43.4)
- #00566D
#00566D
oklch(42.1% 0.079 223.9)
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 #7A3718, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rust Brown #8B3103 ΔE 0.035
- Red Brown #8B2E16 ΔE 0.036
- Chestnut #742802 ΔE 0.037
- Brown Red #922B05 ΔE 0.049
- Saddle Brown #8B4513 ΔE 0.052
- Purple Brown #673A3F ΔE 0.060
- Milk Chocolate #7F4E1E ΔE 0.060
- Brick Red #8F1402 ΔE 0.062
Use #7A3718 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.