#634028
Closest named color: Mud Brown (#60460F). oklch(40.6% 0.061 54.6), rgb(99, 64, 40).
Aa
White text reads best on this color (9.15:1).
About this color
#634028 is a dark, muted brown. In OKLCH its lightness is 41%, its chroma 0.061 and its hue 55°. Its hue sits on the warm side of the wheel. The nearest named color is Mud Brown (#60460F), ΔE 0.036 away. White text reads best on it, at 9.15:1.
| Hue family | Browns |
| Lightness | dark (41%) |
| Chroma | muted (0.061) |
| Temperature | warm |
| Nearest name | Mud Brown (#60460F) |
| Black text | 2.29:1 |
| White text | 9.15:1 |
Values
| HEX | #634028 |
| RGB | rgb(99, 64, 40) |
| HSL | hsl(24, 42%, 27%) |
| OKLCH | oklch(40.6% 0.061 54.6) |
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 #634028 | 9.15:1 | AAA | Lc -95.3 | Preferred for body text |
| Black text on #634028 | 2.29:1 | Fails | Lc 13.0 | Not readable |
| #634028 text on white | 9.15:1 | AAA | Lc 90.9 | Preferred for body text |
| #634028 text on black | 2.29:1 | Fails | Lc -11.4 | 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
#F8F5F2
oklch(97.2% 0.005 67.8)
-
Step 100
100
#F0E8E3
oklch(93.6% 0.011 54.5)
-
Step 200
200
#E4D6CD
oklch(88.5% 0.02 55.1)
-
Step 300
300
#D4BBAB
oklch(80.9% 0.036 54.7)
-
Step 400
400
#BD987F
oklch(70.7% 0.057 55.7)
-
Step 500
500
#AC7E5F
oklch(63.1% 0.072 55)
-
Step 600
600
#986645
oklch(55.6% 0.08 53.8)
-
Step 700
700
#815537
oklch(49.1% 0.073 54.5)
-
Step 800
800 (this color)
#634028
oklch(40.6% 0.061 54.6)
-
Step 900
900
#553B29
oklch(37.7% 0.047 55.5)
-
Step 950
950
#322218
oklch(26.9% 0.03 53)
#634028 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) | #4A4326 | 0.047 |
| Deuteranopia (no green cones) | #524B28 | 0.043 |
| Tritanopia (no blue cones) | #6C393A | 0.042 |
| Achromatopsia (no color) | #484848 | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #634028
#634028
oklch(40.6% 0.061 54.6)
- #244F66
#244F66
oklch(40.8% 0.061 234.4)
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 #634028, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Brown #60460F ΔE 0.036
- Purple Brown #673A3F ΔE 0.044
- Chestnut #742802 ΔE 0.061
- Green Brown #544E03 ΔE 0.067
- Brownish Purple #76424E ΔE 0.069
- Milk Chocolate #7F4E1E ΔE 0.072
- Olive Brown #645403 ΔE 0.074
- Charcoal Grey #3C4142 ΔE 0.076
Use #634028 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.