#55583F
Closest named color: Olive Brown (#645403). oklch(45% 0.039 113.5), rgb(85, 88, 63).
Aa
White text reads best on this color (7.35:1).
About this color
#55583F is a medium-dark, muted brown. In OKLCH its lightness is 45%, its chroma 0.039 and its hue 114°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Olive Brown (#645403), ΔE 0.055 away. White text reads best on it, at 7.35:1.
| Hue family | Browns |
| Lightness | medium-dark (45%) |
| Chroma | muted (0.039) |
| Temperature | in between |
| Nearest name | Olive Brown (#645403) |
| Black text | 2.85:1 |
| White text | 7.35:1 |
Values
| HEX | #55583F |
| RGB | rgb(85, 88, 63) |
| HSL | hsl(67, 17%, 30%) |
| OKLCH | oklch(45% 0.039 113.5) |
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 #55583F | 7.35:1 | AAA | Lc -90.4 | Preferred for body text |
| Black text on #55583F | 2.85:1 | Fails | Lc 18.4 | Dividers and decoration only |
| #55583F text on white | 7.35:1 | AAA | Lc 85.6 | Fine for body text |
| #55583F text on black | 2.85:1 | Fails | Lc -16.5 | 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
#EAEAE5
oklch(93.6% 0.007 106.5)
-
Step 200
200
#D9DAD1
oklch(88.5% 0.012 111.8)
-
Step 300
300
#C0C2B2
oklch(80.8% 0.022 112.7)
-
Step 400
400
#A0A38A
oklch(70.6% 0.035 112.9)
-
Step 500
500
#898D6D
oklch(63.1% 0.046 113.5)
-
Step 600
600
#737755
oklch(55.7% 0.05 113.5)
-
Step 700
700
#606445
oklch(49.1% 0.047 114.1)
-
Step 800
800 (this color)
#55583F
oklch(45% 0.039 113.5)
-
Step 900
900
#414431
oklch(37.8% 0.031 115.2)
-
Step 950
950
#26281D
oklch(27.1% 0.02 116.1)
#55583F 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) | #5C563D | 0.012 |
| Deuteranopia (no green cones) | #5C5640 | 0.013 |
| Tritanopia (no blue cones) | #585551 | 0.033 |
| Achromatopsia (no color) | #565656 | 0.039 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #55583F
#55583F
oklch(45% 0.039 113.5)
- #565269
#565269
oklch(45.1% 0.037 292.8)
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 #55583F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Olive Brown #645403 ΔE 0.055
- Army Green #4B5D16 ΔE 0.059
- Green Brown #544E03 ΔE 0.059
- Camo Green #526525 ΔE 0.060
- Pine #2B5D34 ΔE 0.061
- Mud Brown #60460F ΔE 0.062
- Dark Green Blue #1F6357 ΔE 0.065
- Camouflage Green #4B6113 ΔE 0.067
Use #55583F 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.