#673515
Closest named color: Chestnut (#742802). oklch(38.7% 0.084 50.3), rgb(103, 53, 21).
Aa
White text reads best on this color (10.01:1).
About this color
#673515 is a dark, moderately saturated brown. In OKLCH its lightness is 39%, its chroma 0.084 and its hue 50°. Its hue sits on the warm side of the wheel. The nearest named color is Chestnut (#742802), ΔE 0.035 away. White text reads best on it, at 10.01:1.
| Hue family | Browns |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.084) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 2.09:1 |
| White text | 10.01:1 |
Values
| HEX | #673515 |
| RGB | rgb(103, 53, 21) |
| HSL | hsl(23, 66%, 24%) |
| OKLCH | oklch(38.7% 0.084 50.3) |
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 #673515 | 10.01:1 | AAA | Lc -97.0 | Preferred for body text |
| Black text on #673515 | 2.09:1 | Fails | Lc 11.0 | Not readable |
| #673515 text on white | 10.01:1 | AAA | Lc 92.9 | Preferred for body text |
| #673515 text on black | 2.09:1 | Fails | Lc -9.6 | 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 900.
-
Step 50
50
#FAF4F0
oklch(97.1% 0.008 56.3)
-
Step 100
100
#F5E7DF
oklch(93.7% 0.019 52)
-
Step 200
200
#EDD3C5
oklch(88.5% 0.035 50.2)
-
Step 300
300
#E3B69D
oklch(81% 0.063 50.5)
-
Step 400
400
#D38E66
oklch(70.7% 0.1 50.6)
-
Step 500
500
#C6703A
oklch(63.2% 0.128 50.6)
-
Step 600
600
#B25610
oklch(55.7% 0.14 50.4)
-
Step 700
700
#984600
oklch(49.2% 0.129 50.6)
-
Step 800
800
#7C3A07
oklch(42.8% 0.108 50.7)
-
Step 900
900 (this color)
#673515
oklch(38.7% 0.084 50.3)
-
Step 950
950
#3B1E0C
oklch(27.1% 0.054 50.6)
#673515 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) | #433B11 | 0.072 |
| Deuteranopia (no green cones) | #4F4714 | 0.067 |
| Tritanopia (no blue cones) | #712A2E | 0.051 |
| Achromatopsia (no color) | #424242 | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #673515
#673515
oklch(38.7% 0.084 50.3)
- #004B66
#004B66
oklch(38.7% 0.078 230.9)
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 #673515, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chestnut #742802 ΔE 0.035
- Mud Brown #60460F ΔE 0.050
- Purple Brown #673A3F ΔE 0.054
- Reddy Brown #6E1005 ΔE 0.069
- Rust Brown #8B3103 ΔE 0.073
- Red Brown #8B2E16 ΔE 0.074
- Blood #770001 ΔE 0.081
- Maroon #800000 ΔE 0.083
Use #673515 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.