#634030
Closest named color: Purple Brown (#673A3F). oklch(40.8% 0.056 45.3), rgb(99, 64, 48).
Aa
White text reads best on this color (9.10:1).
About this color
#634030 is a dark, muted brown. In OKLCH its lightness is 41%, its chroma 0.056 and its hue 45°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.034 away. White text reads best on it, at 9.10:1.
| Hue family | Browns |
| Lightness | dark (41%) |
| Chroma | muted (0.056) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.30:1 |
| White text | 9.10:1 |
Values
| HEX | #634030 |
| RGB | rgb(99, 64, 48) |
| HSL | hsl(19, 35%, 29%) |
| OKLCH | oklch(40.8% 0.056 45.3) |
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 #634030 | 9.10:1 | AAA | Lc -95.2 | Preferred for body text |
| Black text on #634030 | 2.30:1 | Fails | Lc 13.1 | Not readable |
| #634030 text on white | 9.10:1 | AAA | Lc 90.8 | Preferred for body text |
| #634030 text on black | 2.30:1 | Fails | Lc -11.5 | 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
#F8F5F3
oklch(97.2% 0.004 56.4)
-
Step 100
100
#F0E8E5
oklch(93.6% 0.01 41.9)
-
Step 200
200
#E4D6CF
oklch(88.5% 0.018 48.5)
-
Step 300
300
#D3BBB0
oklch(80.9% 0.032 46.2)
-
Step 400
400
#BD9786
oklch(70.7% 0.052 45.4)
-
Step 500
500
#AC7D68
oklch(63.1% 0.066 45.1)
-
Step 600
600
#97664F
oklch(55.6% 0.072 45.9)
-
Step 700
700
#815440
oklch(49.1% 0.068 44.7)
-
Step 800
800 (this color)
#634030
oklch(40.8% 0.056 45.3)
-
Step 900
900
#553A2E
oklch(37.6% 0.043 44.9)
-
Step 950
950
#32221B
oklch(26.9% 0.028 44.6)
#634030 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) | #49442F | 0.049 |
| Deuteranopia (no green cones) | #514B30 | 0.045 |
| Tritanopia (no blue cones) | #6B3A3C | 0.033 |
| Achromatopsia (no color) | #484848 | 0.056 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #634030
#634030
oklch(40.8% 0.056 45.3)
- #245061
#245061
oklch(40.8% 0.056 226)
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 #634030, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.034
- Mud Brown #60460F ΔE 0.046
- Brownish Purple #76424E ΔE 0.060
- Chestnut #742802 ΔE 0.064
- Charcoal Grey #3C4142 ΔE 0.072
- Milk Chocolate #7F4E1E ΔE 0.075
- Green Brown #544E03 ΔE 0.076
- Olive Brown #645403 ΔE 0.082
Use #634030 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.