#645148
Closest named color: Brownish Purple (#76424E). oklch(45.2% 0.029 46.7), rgb(100, 81, 72).
Aa
White text reads best on this color (7.46:1).
About this color
#645148 is a medium-dark close to neutral grey. In OKLCH its lightness is 45%, its chroma 0.029. It has too little chroma to lean warm or cool. The nearest named color is Brownish Purple (#76424E), ΔE 0.055 away. White text reads best on it, at 7.46:1.
| Hue family | Neutrals |
| Lightness | medium-dark (45%) |
| Chroma | close to neutral grey (0.029) |
| Temperature | neutral |
| Nearest name | Brownish Purple (#76424E) |
| Black text | 2.81:1 |
| White text | 7.46:1 |
Values
| HEX | #645148 |
| RGB | rgb(100, 81, 72) |
| HSL | hsl(19, 16%, 34%) |
| OKLCH | oklch(45.2% 0.029 46.7) |
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 #645148 | 7.46:1 | AAA | Lc -90.8 | Preferred for body text |
| Black text on #645148 | 2.81:1 | Fails | Lc 18.1 | Dividers and decoration only |
| #645148 text on white | 7.46:1 | AAA | Lc 85.9 | Fine for body text |
| #645148 text on black | 2.81:1 | Fails | Lc -16.1 | 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
#F7F5F4
oklch(97.1% 0.003 48.7)
-
Step 100
100
#EDE9E7
oklch(93.7% 0.005 48.7)
-
Step 200
200
#DFD7D4
oklch(88.5% 0.01 41.9)
-
Step 300
300
#CBBDB7
oklch(80.8% 0.018 44.8)
-
Step 400
400
#B09C92
oklch(70.7% 0.028 48.3)
-
Step 500
500
#9C8378
oklch(63% 0.035 45.1)
-
Step 600
600
#876D61
oklch(55.7% 0.038 46.1)
-
Step 700
700
#725B50
oklch(49.1% 0.035 46.9)
-
Step 800
800 (this color)
#645148
oklch(45.2% 0.029 46.7)
-
Step 900
900
#4C3E37
oklch(37.6% 0.023 48.1)
-
Step 950
950
#2D2420
oklch(26.9% 0.016 45.3)
#645148 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) | #565347 | 0.024 |
| Deuteranopia (no green cones) | #5A5648 | 0.022 |
| Tritanopia (no blue cones) | #694E4F | 0.019 |
| Achromatopsia (no color) | #555555 | 0.029 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #645148
#645148
oklch(45.2% 0.029 46.7)
- #455962
#455962
oklch(45.1% 0.029 227.1)
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 #645148, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brownish Purple #76424E ΔE 0.055
- Purple Brown #673A3F ΔE 0.063
- Milk Chocolate #7F4E1E ΔE 0.066
- Mud Brown #60460F ΔE 0.068
- Dusty Grape #545775 ΔE 0.072
- Medium Brown #7F5112 ΔE 0.074
- Slate #516572 ΔE 0.075
- Dim Gray #696969 ΔE 0.075
Use #645148 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.