#64531A
Closest named color: Olive Brown (#645403). oklch(44.8% 0.078 92.1), rgb(100, 83, 26).
Aa
White text reads best on this color (7.51:1).
About this color
#64531A is a dark, moderately saturated brown. In OKLCH its lightness is 45%, its chroma 0.078 and its hue 92°. Its hue sits on the warm side of the wheel. The nearest named color is Olive Brown (#645403), ΔE 0.015 away. White text reads best on it, at 7.51:1.
| Hue family | Browns |
| Lightness | dark (45%) |
| Chroma | moderately saturated (0.078) |
| Temperature | warm |
| Nearest name | Olive Brown (#645403) |
| Black text | 2.79:1 |
| White text | 7.51:1 |
Values
| HEX | #64531A |
| RGB | rgb(100, 83, 26) |
| HSL | hsl(46, 59%, 25%) |
| OKLCH | oklch(44.8% 0.078 92.1) |
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 #64531A | 7.51:1 | AAA | Lc -90.8 | Preferred for body text |
| Black text on #64531A | 2.79:1 | Fails | Lc 18.0 | Dividers and decoration only |
| #64531A text on white | 7.51:1 | AAA | Lc 86.0 | Fine for body text |
| #64531A text on black | 2.79:1 | Fails | Lc -16.0 | 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
#CBC0A0
oklch(80.9% 0.045 91.3)
-
Step 400
400
#B1A06C
oklch(70.8% 0.073 92.1)
-
Step 500
500
#9D8843
oklch(63.1% 0.092 92.7)
-
Step 600
600
#887120
oklch(55.6% 0.101 92.5)
-
Step 700
700
#745E12
oklch(49% 0.093 91.4)
-
Step 800
800 (this color)
#64531A
oklch(44.8% 0.078 92.1)
-
Step 900
900
#4D4018
oklch(37.6% 0.06 91.3)
-
Step 950
950
#2D260F
oklch(27% 0.038 92.8)
#64531A 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) | #5D5212 | 0.015 |
| Deuteranopia (no green cones) | #61571D | 0.012 |
| Tritanopia (no blue cones) | #6D4C47 | 0.070 |
| Achromatopsia (no color) | #545454 | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64531A
#64531A
oklch(44.8% 0.078 92.1)
- #465180
#465180
oklch(44.7% 0.078 272.9)
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 #64531A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Olive Brown #645403 ΔE 0.015
- Green Brown #544E03 ΔE 0.037
- Mud Brown #60460F ΔE 0.038
- Mud #735C12 ΔE 0.040
- Greeny Brown #696006 ΔE 0.044
- Medium Brown #7F5112 ΔE 0.049
- Army Green #4B5D16 ΔE 0.050
- Milk Chocolate #7F4E1E ΔE 0.052
Use #64531A 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.