#65521B
Closest named color: Olive Brown (#645403). oklch(44.7% 0.076 89.6), rgb(101, 82, 27).
Aa
White text reads best on this color (7.56:1).
About this color
#65521B is a dark, moderately saturated brown. In OKLCH its lightness is 45%, its chroma 0.076 and its hue 90°. Its hue sits on the warm side of the wheel. The nearest named color is Olive Brown (#645403), ΔE 0.018 away. White text reads best on it, at 7.56:1.
| Hue family | Browns |
| Lightness | dark (45%) |
| Chroma | moderately saturated (0.076) |
| Temperature | warm |
| Nearest name | Olive Brown (#645403) |
| Black text | 2.77:1 |
| White text | 7.56:1 |
Values
| HEX | #65521B |
| RGB | rgb(101, 82, 27) |
| HSL | hsl(45, 58%, 25%) |
| OKLCH | oklch(44.7% 0.076 89.6) |
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 #65521B | 7.56:1 | AAA | Lc -91.0 | Preferred for body text |
| Black text on #65521B | 2.77:1 | Fails | Lc 17.8 | Dividers and decoration only |
| #65521B text on white | 7.56:1 | AAA | Lc 86.2 | Fine for body text |
| #65521B text on black | 2.77:1 | Fails | Lc -15.9 | 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
#F7F5F1
oklch(97.1% 0.006 84.6)
-
Step 100
100
#EDEAE0
oklch(93.7% 0.014 93)
-
Step 200
200
#DFD9C7
oklch(88.5% 0.025 91.6)
-
Step 300
300
#CCC0A0
oklch(80.9% 0.045 89.9)
-
Step 400
400
#B29F6D
oklch(70.7% 0.071 89.6)
-
Step 500
500
#9F8744
oklch(63.1% 0.091 89.9)
-
Step 600
600
#8A7022
oklch(55.6% 0.099 89.8)
-
Step 700
700
#755E14
oklch(49.2% 0.092 90.3)
-
Step 800
800 (this color)
#65521B
oklch(44.7% 0.076 89.6)
-
Step 900
900
#4E4018
oklch(37.7% 0.06 89.9)
-
Step 950
950
#2E260F
oklch(27.2% 0.039 90.5)
#65521B 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) | #5C5114 | 0.018 |
| Deuteranopia (no green cones) | #60561E | 0.013 |
| Tritanopia (no blue cones) | #6E4B47 | 0.070 |
| Achromatopsia (no color) | #545454 | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #65521B
#65521B
oklch(44.7% 0.076 89.6)
- #43527F
#43527F
oklch(44.7% 0.077 269.1)
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 #65521B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Olive Brown #645403 ΔE 0.018
- Mud Brown #60460F ΔE 0.036
- Green Brown #544E03 ΔE 0.038
- Mud #735C12 ΔE 0.041
- Medium Brown #7F5112 ΔE 0.047
- Greeny Brown #696006 ΔE 0.047
- Milk Chocolate #7F4E1E ΔE 0.049
- Army Green #4B5D16 ΔE 0.053
Use #65521B 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.