#645834
Closest named color: Olive Brown (#645403). oklch(46.3% 0.055 91.6), rgb(100, 88, 52).
Aa
White text reads best on this color (7.02:1).
About this color
#645834 is a medium-dark, muted brown. In OKLCH its lightness is 46%, its chroma 0.055 and its hue 92°. Its hue sits on the warm side of the wheel. The nearest named color is Olive Brown (#645403), ΔE 0.039 away. White text reads best on it, at 7.02:1.
| Hue family | Browns |
| Lightness | medium-dark (46%) |
| Chroma | muted (0.055) |
| Temperature | warm |
| Nearest name | Olive Brown (#645403) |
| Black text | 2.98:1 |
| White text | 7.02:1 |
Values
| HEX | #645834 |
| RGB | rgb(100, 88, 52) |
| HSL | hsl(45, 32%, 30%) |
| OKLCH | oklch(46.3% 0.055 91.6) |
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 #645834 | 7.02:1 | AAA | Lc -89.3 | Fine for body text |
| Black text on #645834 | 2.98:1 | Fails | Lc 19.7 | Dividers and decoration only |
| #645834 text on white | 7.02:1 | AAA | Lc 84.3 | Fine for body text |
| #645834 text on black | 2.98:1 | Fails | Lc -17.6 | 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 700.
-
Step 50
50
#F6F5F3
oklch(97% 0.003 84.6)
-
Step 100
100
#ECEAE4
oklch(93.7% 0.008 91.5)
-
Step 200
200
#DCD9CE
oklch(88.5% 0.015 94.2)
-
Step 300
300
#C7C0AE
oklch(80.9% 0.026 89.2)
-
Step 400
400
#AAA083
oklch(70.7% 0.042 91.3)
-
Step 500
500
#958964
oklch(63.1% 0.054 92.2)
-
Step 600
600
#80724B
oklch(55.5% 0.058 90.5)
-
Step 700
700 (this color)
#645834
oklch(46.3% 0.055 91.6)
-
Step 800
800
#584E32
oklch(42.6% 0.045 90.6)
-
Step 900
900
#48412C
oklch(37.6% 0.035 91.8)
-
Step 950
950
#2A261A
oklch(26.9% 0.022 91.8)
#645834 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) | #5F5731 | 0.010 |
| Deuteranopia (no green cones) | #625A35 | 0.006 |
| Tritanopia (no blue cones) | #6B534F | 0.049 |
| Achromatopsia (no color) | #595959 | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #645834
#645834
oklch(46.3% 0.055 91.6)
- #4E5778
#4E5778
oklch(46.3% 0.055 272.3)
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 #645834, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Olive Brown #645403 ΔE 0.039
- Mud #735C12 ΔE 0.043
- Greeny Brown #696006 ΔE 0.051
- Milk Chocolate #7F4E1E ΔE 0.052
- Medium Brown #7F5112 ΔE 0.052
- Camo Green #526525 ΔE 0.056
- Mud Brown #60460F ΔE 0.057
- Green Brown #544E03 ΔE 0.058
Use #645834 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.