#523923
Closest named color: Charcoal Grey (#3C4142). oklch(36.7% 0.049 61.7), rgb(82, 57, 35).
Aa
White text reads best on this color (10.66:1).
About this color
#523923 is a dark, muted brown. In OKLCH its lightness is 37%, its chroma 0.049 and its hue 62°. Its hue sits on the warm side of the wheel. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.056 away. White text reads best on it, at 10.66:1.
| Hue family | Browns |
| Lightness | dark (37%) |
| Chroma | muted (0.049) |
| Temperature | warm |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 1.96:1 |
| White text | 10.66:1 |
Values
| HEX | #523923 |
| RGB | rgb(82, 57, 35) |
| HSL | hsl(28, 40%, 23%) |
| OKLCH | oklch(36.7% 0.049 61.7) |
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 #523923 | 10.66:1 | AAA | Lc -98.6 | Preferred for body text |
| Black text on #523923 | 1.96:1 | Fails | Lc 9.3 | Not readable |
| #523923 text on white | 10.66:1 | AAA | Lc 94.7 | Preferred for body text |
| #523923 text on black | 1.96:1 | Fails | Lc -7.9 | 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
#F8F5F2
oklch(97.2% 0.005 67.8)
-
Step 100
100
#EFE8E3
oklch(93.5% 0.01 58.2)
-
Step 200
200
#E4D6CC
oklch(88.5% 0.021 58)
-
Step 300
300
#D3BCA9
oklch(81% 0.037 61.8)
-
Step 400
400
#BC997B
oklch(70.7% 0.059 62.2)
-
Step 500
500
#AB7F59
oklch(63.1% 0.076 61.6)
-
Step 600
600
#96683E
oklch(55.6% 0.083 62.2)
-
Step 700
700
#805630
oklch(49.1% 0.077 61.6)
-
Step 800
800
#684729
oklch(42.8% 0.063 62.1)
-
Step 900
900 (this color)
#523923
oklch(36.7% 0.049 61.7)
-
Step 950
950
#322316
oklch(27.1% 0.032 61.8)
#523923 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) | #413B21 | 0.033 |
| Deuteranopia (no green cones) | #474023 | 0.029 |
| Tritanopia (no blue cones) | #593434 | 0.037 |
| Achromatopsia (no color) | #3E3E3E | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #523923
#523923
oklch(36.7% 0.049 61.7)
- #264257
#264257
oklch(36.7% 0.05 242.3)
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 #523923, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.056
- Mud Brown #60460F ΔE 0.057
- Purple Brown #673A3F ΔE 0.061
- Onyx #343A40 ΔE 0.067
- Dark Olive #373E02 ΔE 0.068
- Chestnut #742802 ΔE 0.074
- Green Brown #544E03 ΔE 0.078
- Pakistan Green #283618 ΔE 0.080
Use #523923 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.