#63553E
Closest named color: Olive Brown (#645403). oklch(45.7% 0.04 79.8), rgb(99, 85, 62).
Aa
White text reads best on this color (7.24:1).
About this color
#63553E is a medium-dark, muted brown. In OKLCH its lightness is 46%, its chroma 0.040 and its hue 80°. Its hue sits on the warm side of the wheel. The nearest named color is Olive Brown (#645403), ΔE 0.055 away. White text reads best on it, at 7.24:1.
| Hue family | Browns |
| Lightness | medium-dark (46%) |
| Chroma | muted (0.040) |
| Temperature | warm |
| Nearest name | Olive Brown (#645403) |
| Black text | 2.89:1 |
| White text | 7.24:1 |
Values
| HEX | #63553E |
| RGB | rgb(99, 85, 62) |
| HSL | hsl(37, 23%, 32%) |
| OKLCH | oklch(45.7% 0.04 79.8) |
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 #63553E | 7.24:1 | AAA | Lc -90.0 | Preferred for body text |
| Black text on #63553E | 2.89:1 | Fails | Lc 18.9 | Dividers and decoration only |
| #63553E text on white | 7.24:1 | AAA | Lc 85.1 | Fine for body text |
| #63553E text on black | 2.89:1 | Fails | Lc -16.9 | 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
#F6F5F3
oklch(97% 0.003 84.6)
-
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
#C9BFB0
oklch(80.9% 0.024 78.2)
-
Step 400
400
#AD9E87
oklch(70.6% 0.037 78.6)
-
Step 500
500
#998769
oklch(63.2% 0.048 80.3)
-
Step 600
600
#837051
oklch(55.5% 0.051 79.6)
-
Step 700
700
#6F5E41
oklch(49.1% 0.048 80.6)
-
Step 800
800 (this color)
#63553E
oklch(45.7% 0.04 79.8)
-
Step 900
900
#4A402F
oklch(37.7% 0.031 80.7)
-
Step 950
950
#2C251C
oklch(26.9% 0.019 73.8)
#63553E 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) | #5B553C | 0.014 |
| Deuteranopia (no green cones) | #5E583F | 0.011 |
| Tritanopia (no blue cones) | #69514F | 0.034 |
| Achromatopsia (no color) | #575757 | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63553E
#63553E
oklch(45.7% 0.04 79.8)
- #4A586E
#4A586E
oklch(45.7% 0.04 259.3)
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 #63553E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Olive Brown #645403 ΔE 0.055
- Milk Chocolate #7F4E1E ΔE 0.056
- Mud Brown #60460F ΔE 0.058
- Mud #735C12 ΔE 0.060
- Medium Brown #7F5112 ΔE 0.061
- Green Brown #544E03 ΔE 0.067
- Greeny Brown #696006 ΔE 0.069
- Camo Green #526525 ΔE 0.072
Use #63553E 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.