#63523D
Closest named color: Mud Brown (#60460F). oklch(45% 0.039 72.4), rgb(99, 82, 61).
Aa
White text reads best on this color (7.48:1).
About this color
#63523D is a dark, muted brown. In OKLCH its lightness is 45%, its chroma 0.039 and its hue 72°. Its hue sits on the warm side of the wheel. The nearest named color is Mud Brown (#60460F), ΔE 0.054 away. White text reads best on it, at 7.48:1.
| Hue family | Browns |
| Lightness | dark (45%) |
| Chroma | muted (0.039) |
| Temperature | warm |
| Nearest name | Mud Brown (#60460F) |
| Black text | 2.80:1 |
| White text | 7.48:1 |
Values
| HEX | #63523D |
| RGB | rgb(99, 82, 61) |
| HSL | hsl(33, 24%, 31%) |
| OKLCH | oklch(45% 0.039 72.4) |
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 #63523D | 7.48:1 | AAA | Lc -90.8 | Preferred for body text |
| Black text on #63523D | 2.80:1 | Fails | Lc 18.0 | Dividers and decoration only |
| #63523D text on white | 7.48:1 | AAA | Lc 86.0 | Fine for body text |
| #63523D text on black | 2.80:1 | Fails | Lc -16.0 | Dividers and decoration only |
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
#F7F5F3
oklch(97.1% 0.003 67.8)
-
Step 100
100
#EDE9E5
oklch(93.6% 0.007 67.7)
-
Step 200
200
#DED8D0
oklch(88.5% 0.013 75.4)
-
Step 300
300
#CABFB1
oklch(81% 0.023 74.1)
-
Step 400
400
#AF9D88
oklch(70.6% 0.036 71.5)
-
Step 500
500
#9B856A
oklch(63% 0.047 72.5)
-
Step 600
600
#866F52
oklch(55.6% 0.051 72.9)
-
Step 700
700
#725D42
oklch(49.2% 0.049 73.3)
-
Step 800
800 (this color)
#63523D
oklch(45% 0.039 72.4)
-
Step 900
900
#4C3F30
oklch(37.7% 0.03 70.7)
-
Step 950
950
#2C251C
oklch(26.9% 0.019 73.8)
#63523D 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) | #58523C | 0.019 |
| Deuteranopia (no green cones) | #5C563D | 0.016 |
| Tritanopia (no blue cones) | #694E4C | 0.032 |
| Achromatopsia (no color) | #555555 | 0.039 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63523D
#63523D
oklch(45% 0.039 72.4)
- #46576B
#46576B
oklch(45% 0.039 252.8)
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 #63523D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Brown #60460F ΔE 0.054
- Milk Chocolate #7F4E1E ΔE 0.056
- Olive Brown #645403 ΔE 0.057
- Medium Brown #7F5112 ΔE 0.062
- Mud #735C12 ΔE 0.066
- Green Brown #544E03 ΔE 0.066
- Brownish Purple #76424E ΔE 0.068
- Purple Brown #673A3F ΔE 0.071
Use #63523D 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.