#55573F
Closest named color: Olive Brown (#645403). oklch(44.8% 0.037 111.8), rgb(85, 87, 63).
Aa
White text reads best on this color (7.44:1).
About this color
#55573F is a dark, muted brown. In OKLCH its lightness is 45%, its chroma 0.037 and its hue 112°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Olive Brown (#645403), ΔE 0.056 away. White text reads best on it, at 7.44:1.
| Hue family | Browns |
| Lightness | dark (45%) |
| Chroma | muted (0.037) |
| Temperature | in between |
| Nearest name | Olive Brown (#645403) |
| Black text | 2.82:1 |
| White text | 7.44:1 |
Values
| HEX | #55573F |
| RGB | rgb(85, 87, 63) |
| HSL | hsl(65, 16%, 29%) |
| OKLCH | oklch(44.8% 0.037 111.8) |
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 #55573F | 7.44:1 | AAA | Lc -90.7 | Preferred for body text |
| Black text on #55573F | 2.82:1 | Fails | Lc 18.1 | Dividers and decoration only |
| #55573F text on white | 7.44:1 | AAA | Lc 85.9 | Fine for body text |
| #55573F text on black | 2.82:1 | Fails | Lc -16.2 | 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
#F5F6F3
oklch(97.2% 0.004 121.6)
-
Step 100
100
#EAEAE6
oklch(93.6% 0.005 106.5)
-
Step 200
200
#D9DAD1
oklch(88.5% 0.012 111.8)
-
Step 300
300
#C1C2B2
oklch(80.9% 0.022 109.8)
-
Step 400
400
#A1A38A
oklch(70.7% 0.035 111)
-
Step 500
500
#8A8D6E
oklch(63.2% 0.045 112.2)
-
Step 600
600
#747655
oklch(55.5% 0.048 110.8)
-
Step 700
700
#616346
oklch(49% 0.044 111.2)
-
Step 800
800 (this color)
#55573F
oklch(44.8% 0.037 111.8)
-
Step 900
900
#424331
oklch(37.6% 0.029 110.4)
-
Step 950
950
#26271D
oklch(26.8% 0.018 112.2)
#55573F 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) | #5B553D | 0.010 |
| Deuteranopia (no green cones) | #5B5540 | 0.012 |
| Tritanopia (no blue cones) | #585451 | 0.033 |
| Achromatopsia (no color) | #555555 | 0.037 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #55573F
#55573F
oklch(44.8% 0.037 111.8)
- #555168
#555168
oklch(44.8% 0.038 292.8)
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 #55573F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Olive Brown #645403 ΔE 0.056
- Green Brown #544E03 ΔE 0.059
- Mud Brown #60460F ΔE 0.060
- Army Green #4B5D16 ΔE 0.061
- Pine #2B5D34 ΔE 0.062
- Camo Green #526525 ΔE 0.063
- Dark Green Blue #1F6357 ΔE 0.066
- Dark Slate Gray #2F4F4F ΔE 0.067
Use #55573F 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.