#634710
Closest named color: Mud Brown (#60460F). oklch(41.8% 0.078 79.6), rgb(99, 71, 16).
Aa
White text reads best on this color (8.60:1).
About this color
#634710 is a dark, moderately saturated brown. In OKLCH its lightness is 42%, its chroma 0.078 and its hue 80°. Its hue sits on the warm side of the wheel. The nearest named color is Mud Brown (#60460F), ΔE 0.007 away. White text reads best on it, at 8.60:1.
| Hue family | Browns |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.078) |
| Temperature | warm |
| Nearest name | Mud Brown (#60460F) |
| Black text | 2.43:1 |
| White text | 8.60:1 |
Values
| HEX | #634710 |
| RGB | rgb(99, 71, 16) |
| HSL | hsl(40, 72%, 23%) |
| OKLCH | oklch(41.8% 0.078 79.6) |
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 #634710 | 8.60:1 | AAA | Lc -93.9 | Preferred for body text |
| Black text on #634710 | 2.43:1 | Fails | Lc 14.6 | Not readable |
| #634710 text on white | 8.60:1 | AAA | Lc 89.4 | Fine for body text |
| #634710 text on black | 2.43:1 | Fails | Lc -12.8 | 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 800.
-
Step 50
50
#F8F5F1
oklch(97.1% 0.006 75.4)
-
Step 100
100
#EFE9E0
oklch(93.6% 0.014 78.3)
-
Step 200
200
#E2D8C7
oklch(88.6% 0.025 81.1)
-
Step 300
300
#D1BEA0
oklch(81% 0.046 79.2)
-
Step 400
400
#B99C6C
oklch(70.7% 0.073 79.7)
-
Step 500
500
#A78343
oklch(63.1% 0.093 80.1)
-
Step 600
600
#936C21
oklch(55.7% 0.102 79.6)
-
Step 700
700
#7D5A12
oklch(49.2% 0.095 79.9)
-
Step 800
800 (this color)
#634710
oklch(41.8% 0.078 79.6)
-
Step 900
900
#533E18
oklch(37.8% 0.061 79.8)
-
Step 950
950
#30240F
oklch(26.9% 0.038 80)
#634710 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) | #524806 | 0.033 |
| Deuteranopia (no green cones) | #594F12 | 0.028 |
| Tritanopia (no blue cones) | #6C3F3C | 0.067 |
| Achromatopsia (no color) | #4C4C4C | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #634710
#634710
oklch(41.8% 0.078 79.6)
- #324D77
#324D77
oklch(41.9% 0.078 258.9)
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 #634710, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Brown #60460F ΔE 0.007
- Green Brown #544E03 ΔE 0.036
- Olive Brown #645403 ΔE 0.041
- Milk Chocolate #7F4E1E ΔE 0.060
- Medium Brown #7F5112 ΔE 0.063
- Mud #735C12 ΔE 0.070
- Army Green #4B5D16 ΔE 0.073
- Greeny Brown #696006 ΔE 0.076
Use #634710 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.