#615643
Closest named color: Olive Brown (#645403). oklch(45.8% 0.033 81.2), rgb(97, 86, 67).
Aa
White text reads best on this color (7.19:1).
About this color
#615643 is a medium-dark, muted brown. In OKLCH its lightness is 46%, its chroma 0.033 and its hue 81°. Its hue sits on the warm side of the wheel. The nearest named color is Olive Brown (#645403), ΔE 0.061 away. White text reads best on it, at 7.19:1.
| Hue family | Browns |
| Lightness | medium-dark (46%) |
| Chroma | muted (0.033) |
| Temperature | warm |
| Nearest name | Olive Brown (#645403) |
| Black text | 2.92:1 |
| White text | 7.19:1 |
Values
| HEX | #615643 |
| RGB | rgb(97, 86, 67) |
| HSL | hsl(38, 18%, 32%) |
| OKLCH | oklch(45.8% 0.033 81.2) |
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 #615643 | 7.19:1 | AAA | Lc -89.9 | Fine for body text |
| Black text on #615643 | 2.92:1 | Fails | Lc 19.1 | Dividers and decoration only |
| #615643 text on white | 7.19:1 | AAA | Lc 85.0 | Fine for body text |
| #615643 text on black | 2.92:1 | 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
#F6F5F3
oklch(97% 0.003 84.6)
-
Step 100
100
#ECE9E6
oklch(93.6% 0.005 67.8)
-
Step 200
200
#DDD8D1
oklch(88.4% 0.011 76.6)
-
Step 300
300
#C7C0B3
oklch(81% 0.02 83.1)
-
Step 400
400
#AA9F8C
oklch(70.7% 0.03 81.4)
-
Step 500
500
#96876F
oklch(63% 0.039 79.5)
-
Step 600
600
#807157
oklch(55.6% 0.042 81.2)
-
Step 700
700
#6C5F47
oklch(49.1% 0.04 82.6)
-
Step 800
800 (this color)
#615643
oklch(45.8% 0.033 81.2)
-
Step 900
900
#494032
oklch(37.6% 0.026 78.7)
-
Step 950
950
#2A261E
oklch(27% 0.015 84.5)
#615643 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) | #5B5642 | 0.010 |
| Deuteranopia (no green cones) | #5E5844 | 0.007 |
| Tritanopia (no blue cones) | #665351 | 0.028 |
| Achromatopsia (no color) | #575757 | 0.033 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #615643
#615643
oklch(45.8% 0.033 81.2)
- #4D586A
#4D586A
oklch(45.8% 0.033 260.2)
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 #615643, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Olive Brown #645403 ΔE 0.061
- Milk Chocolate #7F4E1E ΔE 0.062
- Mud Brown #60460F ΔE 0.064
- Mud #735C12 ΔE 0.065
- Medium Brown #7F5112 ΔE 0.067
- Dim Gray #696969 ΔE 0.070
- Green Brown #544E03 ΔE 0.071
- Slate #516572 ΔE 0.073
Use #615643 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.