#5B563F
Closest named color: Olive Brown (#645403). oklch(45.1% 0.036 97.3), rgb(91, 86, 63).
Aa
White text reads best on this color (7.37:1).
About this color
#5B563F is a medium-dark, muted brown. In OKLCH its lightness is 45%, its chroma 0.036 and its hue 97°. Its hue sits on the warm side of the wheel. The nearest named color is Olive Brown (#645403), ΔE 0.055 away. White text reads best on it, at 7.37:1.
| Hue family | Browns |
| Lightness | medium-dark (45%) |
| Chroma | muted (0.036) |
| Temperature | warm |
| Nearest name | Olive Brown (#645403) |
| Black text | 2.84:1 |
| White text | 7.37:1 |
Values
| HEX | #5B563F |
| RGB | rgb(91, 86, 63) |
| HSL | hsl(49, 18%, 30%) |
| OKLCH | oklch(45.1% 0.036 97.3) |
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 #5B563F | 7.37:1 | AAA | Lc -90.5 | Preferred for body text |
| Black text on #5B563F | 2.84:1 | Fails | Lc 18.4 | Dividers and decoration only |
| #5B563F text on white | 7.37:1 | AAA | Lc 85.6 | Fine for body text |
| #5B563F text on black | 2.84:1 | Fails | Lc -16.4 | 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
#EBEAE5
oklch(93.6% 0.007 97.4)
-
Step 200
200
#DBD9D1
oklch(88.5% 0.011 95.2)
-
Step 300
300
#C4C1B2
oklch(80.9% 0.021 97.6)
-
Step 400
400
#A6A18A
oklch(70.7% 0.033 97)
-
Step 500
500
#908A6C
oklch(63.1% 0.043 98)
-
Step 600
600
#7B7454
oklch(55.7% 0.047 97.3)
-
Step 700
700
#676145
oklch(49.1% 0.043 97.5)
-
Step 800
800 (this color)
#5B563F
oklch(45.1% 0.036 97.3)
-
Step 900
900
#464231
oklch(37.8% 0.028 96.4)
-
Step 950
950
#29271D
oklch(27.2% 0.018 98)
#5B563F 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 | 0.003 |
| Deuteranopia (no green cones) | #5C5740 | 0.004 |
| Tritanopia (no blue cones) | #5F5350 | 0.032 |
| Achromatopsia (no color) | #565656 | 0.036 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B563F
#5B563F
oklch(45.1% 0.036 97.3)
- #50546A
#50546A
oklch(45.1% 0.036 276.8)
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 #5B563F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Olive Brown #645403 ΔE 0.055
- Mud Brown #60460F ΔE 0.059
- Green Brown #544E03 ΔE 0.062
- Mud #735C12 ΔE 0.065
- Army Green #4B5D16 ΔE 0.066
- Camo Green #526525 ΔE 0.067
- Milk Chocolate #7F4E1E ΔE 0.068
- Greeny Brown #696006 ΔE 0.071
Use #5B563F 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.