#64552F
Closest named color: Olive Brown (#645403). oklch(45.5% 0.058 88.5), rgb(100, 85, 47).
Aa
White text reads best on this color (7.28:1).
About this color
#64552F is a medium-dark, muted brown. In OKLCH its lightness is 46%, its chroma 0.058 and its hue 89°. Its hue sits on the warm side of the wheel. The nearest named color is Olive Brown (#645403), ΔE 0.035 away. White text reads best on it, at 7.28:1.
| Hue family | Browns |
| Lightness | medium-dark (46%) |
| Chroma | muted (0.058) |
| Temperature | warm |
| Nearest name | Olive Brown (#645403) |
| Black text | 2.88:1 |
| White text | 7.28:1 |
Values
| HEX | #64552F |
| RGB | rgb(100, 85, 47) |
| HSL | hsl(43, 36%, 29%) |
| OKLCH | oklch(45.5% 0.058 88.5) |
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 #64552F | 7.28:1 | AAA | Lc -90.1 | Preferred for body text |
| Black text on #64552F | 2.88:1 | Fails | Lc 18.8 | Dividers and decoration only |
| #64552F text on white | 7.28:1 | AAA | Lc 85.3 | Fine for body text |
| #64552F text on black | 2.88:1 | Fails | Lc -16.8 | 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
#F7F5F2
oklch(97.1% 0.005 78.3)
-
Step 100
100
#ECEAE3
oklch(93.7% 0.01 93.6)
-
Step 200
200
#DED9CB
oklch(88.5% 0.02 90.6)
-
Step 300
300
#CAC0A8
oklch(81% 0.035 88.1)
-
Step 400
400
#AE9F7A
oklch(70.6% 0.054 88.5)
-
Step 500
500
#9B8757
oklch(63% 0.07 87.8)
-
Step 600
600
#85713C
oklch(55.6% 0.076 89.2)
-
Step 700
700
#715E2E
oklch(49% 0.07 88.1)
-
Step 800
800 (this color)
#64552F
oklch(45.5% 0.058 88.5)
-
Step 900
900
#4B4024
oklch(37.6% 0.045 88.7)
-
Step 950
950
#2C2616
oklch(27.1% 0.029 89.8)
#64552F 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) | #5D542C | 0.014 |
| Deuteranopia (no green cones) | #615830 | 0.010 |
| Tritanopia (no blue cones) | #6B4F4C | 0.053 |
| Achromatopsia (no color) | #565656 | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64552F
#64552F
oklch(45.5% 0.058 88.5)
- #495578
#495578
oklch(45.4% 0.059 269.4)
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 #64552F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Olive Brown #645403 ΔE 0.035
- Mud #735C12 ΔE 0.045
- Mud Brown #60460F ΔE 0.048
- Milk Chocolate #7F4E1E ΔE 0.049
- Medium Brown #7F5112 ΔE 0.050
- Green Brown #544E03 ΔE 0.052
- Greeny Brown #696006 ΔE 0.053
- Army Green #4B5D16 ΔE 0.059
Use #64552F 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.