#645458
Closest named color: Dusty Grape (#545775). oklch(46.3% 0.022 1.2), rgb(100, 84, 88).
Aa
White text reads best on this color (7.11:1).
About this color
#645458 is a medium-dark close to neutral grey. In OKLCH its lightness is 46%, its chroma 0.022. It has too little chroma to lean warm or cool. The nearest named color is Dusty Grape (#545775), ΔE 0.050 away. White text reads best on it, at 7.11:1.
| Hue family | Neutrals |
| Lightness | medium-dark (46%) |
| Chroma | close to neutral grey (0.022) |
| Temperature | neutral |
| Nearest name | Dusty Grape (#545775) |
| Black text | 2.95:1 |
| White text | 7.11:1 |
Values
| HEX | #645458 |
| RGB | rgb(100, 84, 88) |
| HSL | hsl(345, 9%, 36%) |
| OKLCH | oklch(46.3% 0.022 1.2) |
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 #645458 | 7.11:1 | AAA | Lc -89.6 | Fine for body text |
| Black text on #645458 | 2.95:1 | Fails | Lc 19.3 | Dividers and decoration only |
| #645458 text on white | 7.11:1 | AAA | Lc 84.7 | Fine for body text |
| #645458 text on black | 2.95:1 | Fails | Lc -17.3 | 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
#F6F5F5
oklch(97.1% 0.001 17.2)
-
Step 100
100
#ECE9EA
oklch(93.7% 0.003 354.7)
-
Step 200
200
#DDD7D9
oklch(88.4% 0.007 354.8)
-
Step 300
300
#C7BEC0
oklch(80.9% 0.01 2.1)
-
Step 400
400
#AA9CA0
oklch(70.6% 0.017 358.3)
-
Step 500
500
#958488
oklch(63% 0.021 1.8)
-
Step 600
600
#806E72
oklch(55.6% 0.023 2.8)
-
Step 700
700 (this color)
#645458
oklch(46.3% 0.022 1.2)
-
Step 800
800
#584B4E
oklch(42.7% 0.018 2.3)
-
Step 900
900
#483F41
oklch(37.8% 0.013 2.6)
-
Step 950
950
#2A2526
oklch(27% 0.008 3.9)
#645458 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) | #565658 | 0.023 |
| Deuteranopia (no green cones) | #595958 | 0.022 |
| Tritanopia (no blue cones) | #675355 | 0.006 |
| Achromatopsia (no color) | #585858 | 0.022 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #645458
#645458
oklch(46.3% 0.022 1.2)
- #4C5D5A
#4C5D5A
oklch(46.3% 0.021 183.5)
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 #645458, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.050
- Brownish Purple #76424E ΔE 0.054
- Slate #516572 ΔE 0.058
- Dim Gray #696969 ΔE 0.062
- YInMn Blue #415A77 ΔE 0.067
- Dark Mauve #874C62 ΔE 0.069
- Purple Brown #673A3F ΔE 0.072
- Dusk #4E5481 ΔE 0.075
Use #645458 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.