#63533D
Closest named color: Mud Brown (#60460F). oklch(45.2% 0.04 75.3), rgb(99, 83, 61).
Aa
White text reads best on this color (7.40:1).
About this color
#63533D is a medium-dark, muted brown. In OKLCH its lightness is 45%, its chroma 0.040 and its hue 75°. Its hue sits on the warm side of the wheel. The nearest named color is Mud Brown (#60460F), ΔE 0.055 away. White text reads best on it, at 7.40:1.
| Hue family | Browns |
| Lightness | medium-dark (45%) |
| Chroma | muted (0.040) |
| Temperature | warm |
| Nearest name | Mud Brown (#60460F) |
| Black text | 2.83:1 |
| White text | 7.40:1 |
Values
| HEX | #63533D |
| RGB | rgb(99, 83, 61) |
| HSL | hsl(35, 24%, 31%) |
| OKLCH | oklch(45.2% 0.04 75.3) |
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 #63533D | 7.40:1 | AAA | Lc -90.6 | Preferred for body text |
| Black text on #63533D | 2.83:1 | Fails | Lc 18.3 | Dividers and decoration only |
| #63533D text on white | 7.40:1 | AAA | Lc 85.7 | Fine for body text |
| #63533D text on black | 2.83:1 | Fails | Lc -16.3 | 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
#ECE9E5
oklch(93.5% 0.006 75.4)
-
Step 200
200
#DED8D0
oklch(88.5% 0.013 75.4)
-
Step 300
300
#CABFB0
oklch(81% 0.024 75.8)
-
Step 400
400
#AE9E87
oklch(70.7% 0.037 76.9)
-
Step 500
500
#9B866A
oklch(63.2% 0.047 74.7)
-
Step 600
600
#856F51
oklch(55.5% 0.051 75)
-
Step 700
700
#715D42
oklch(49.1% 0.048 74.6)
-
Step 800
800 (this color)
#63533D
oklch(45.2% 0.04 75.3)
-
Step 900
900
#4B3F2F
oklch(37.6% 0.031 74.6)
-
Step 950
950
#2C251C
oklch(26.9% 0.019 73.8)
#63533D 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) | #59533B | 0.018 |
| Deuteranopia (no green cones) | #5D573E | 0.015 |
| Tritanopia (no blue cones) | #694F4D | 0.033 |
| Achromatopsia (no color) | #555555 | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63533D
#63533D
oklch(45.2% 0.04 75.3)
- #47576C
#47576C
oklch(45.2% 0.04 255.4)
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 #63533D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Brown #60460F ΔE 0.055
- Olive Brown #645403 ΔE 0.056
- Milk Chocolate #7F4E1E ΔE 0.056
- Medium Brown #7F5112 ΔE 0.061
- Mud #735C12 ΔE 0.063
- Green Brown #544E03 ΔE 0.066
- Brownish Purple #76424E ΔE 0.070
- Greeny Brown #696006 ΔE 0.073
Use #63533D 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.