#523703
Closest named color: Dark Olive (#373E02). oklch(35.9% 0.073 77.2), rgb(82, 55, 3).
Aa
White text reads best on this color (11.01:1).
About this color
#523703 is a dark, moderately saturated brown. In OKLCH its lightness is 36%, its chroma 0.073 and its hue 77°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.053 away. White text reads best on it, at 11.01:1.
| Hue family | Browns |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.073) |
| Temperature | warm |
| Nearest name | Dark Olive (#373E02) |
| Black text | 1.90:1 |
| White text | 11.01:1 |
Values
| HEX | #523703 |
| RGB | rgb(82, 55, 3) |
| HSL | hsl(39, 93%, 17%) |
| OKLCH | oklch(35.9% 0.073 77.2) |
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 #523703 | 11.01:1 | AAA | Lc -99.1 | Preferred for body text |
| Black text on #523703 | 1.90:1 | Fails | Lc 8.6 | Not readable |
| #523703 text on white | 11.01:1 | AAA | Lc 95.3 | Preferred for body text |
| #523703 text on black | 1.90:1 | Fails | Lc -7.4 | 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
#F8F5F0
oklch(97.1% 0.007 80.7)
-
Step 100
100
#F0E9DE
oklch(93.6% 0.017 79.3)
-
Step 200
200
#E5D7C3
oklch(88.5% 0.031 76.9)
-
Step 300
300
#D5BD99
oklch(81% 0.056 77.8)
-
Step 400
400
#BF9A60
oklch(70.7% 0.088 77.9)
-
Step 500
500
#AF802F
oklch(63.2% 0.112 77.4)
-
Step 600
600
#996900
oklch(55.7% 0.116 77.3)
-
Step 700
700
#815800
oklch(49.2% 0.103 77.4)
-
Step 800
800
#6A4700
oklch(42.6% 0.089 76.7)
-
Step 900
900 (this color)
#523703
oklch(35.9% 0.073 77.2)
-
Step 950
950
#332309
oklch(27% 0.046 76.5)
#523703 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) | #413800 | 0.034 |
| Deuteranopia (no green cones) | #473F05 | 0.030 |
| Tritanopia (no blue cones) | #5A302E | 0.062 |
| Achromatopsia (no color) | #3C3C3C | 0.073 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #523703
#523703
oklch(35.9% 0.073 77.2)
- #233D63
#233D63
oklch(35.9% 0.074 257.8)
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 #523703, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive #373E02 ΔE 0.053
- Mud Brown #60460F ΔE 0.053
- Green Brown #544E03 ΔE 0.070
- Pakistan Green #283618 ΔE 0.075
- Chestnut #742802 ΔE 0.075
- Charcoal Grey #3C4142 ΔE 0.079
- Purple Brown #673A3F ΔE 0.086
- Onyx #343A40 ΔE 0.087
Use #523703 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.