#635634
Closest named color: Olive Brown (#645403). oklch(45.7% 0.053 89.3), rgb(99, 86, 52).
Aa
White text reads best on this color (7.21:1).
About this color
#635634 is a medium-dark, muted brown. In OKLCH its lightness is 46%, its chroma 0.053 and its hue 89°. Its hue sits on the warm side of the wheel. The nearest named color is Olive Brown (#645403), ΔE 0.040 away. White text reads best on it, at 7.21:1.
| Hue family | Browns |
| Lightness | medium-dark (46%) |
| Chroma | muted (0.053) |
| Temperature | warm |
| Nearest name | Olive Brown (#645403) |
| Black text | 2.91:1 |
| White text | 7.21:1 |
Values
| HEX | #635634 |
| RGB | rgb(99, 86, 52) |
| HSL | hsl(43, 31%, 30%) |
| OKLCH | oklch(45.7% 0.053 89.3) |
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 #635634 | 7.21:1 | AAA | Lc -89.9 | Fine for body text |
| Black text on #635634 | 2.91:1 | Fails | Lc 19.0 | Dividers and decoration only |
| #635634 text on white | 7.21:1 | AAA | Lc 85.0 | Fine for body text |
| #635634 text on black | 2.91:1 | Fails | Lc -17.0 | 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
#F6F5F2
oklch(97% 0.004 91.4)
-
Step 100
100
#ECEAE3
oklch(93.7% 0.01 93.6)
-
Step 200
200
#DDD9CD
oklch(88.5% 0.017 91.6)
-
Step 300
300
#C8C0AB
oklch(80.9% 0.03 89.6)
-
Step 400
400
#ADA07E
oklch(70.8% 0.049 89.6)
-
Step 500
500
#99885D
oklch(63.1% 0.063 88.9)
-
Step 600
600
#837143
oklch(55.5% 0.068 88.8)
-
Step 700
700
#6F5F34
oklch(49.1% 0.064 89.6)
-
Step 800
800 (this color)
#635634
oklch(45.7% 0.053 89.3)
-
Step 900
900
#4A4128
oklch(37.8% 0.041 90.4)
-
Step 950
950
#2B2618
oklch(27% 0.025 90.7)
#635634 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) | #5D5531 | 0.012 |
| Deuteranopia (no green cones) | #605935 | 0.010 |
| Tritanopia (no blue cones) | #6A514E | 0.048 |
| Achromatopsia (no color) | #575757 | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #635634
#635634
oklch(45.7% 0.053 89.3)
- #4B5675
#4B5675
oklch(45.7% 0.053 269.2)
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 #635634, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Olive Brown #645403 ΔE 0.040
- Mud #735C12 ΔE 0.048
- Mud Brown #60460F ΔE 0.052
- Milk Chocolate #7F4E1E ΔE 0.052
- Medium Brown #7F5112 ΔE 0.053
- Greeny Brown #696006 ΔE 0.056
- Green Brown #544E03 ΔE 0.056
- Camo Green #526525 ΔE 0.060
Use #635634 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.