#644E53
Closest named color: Brownish Purple (#76424E). oklch(44.8% 0.03 3.2), rgb(100, 78, 83).
Aa
White text reads best on this color (7.61:1).
About this color
#644E53 is a dark, muted red. In OKLCH its lightness is 45%, its chroma 0.030 and its hue 3°. Its hue sits on the warm side of the wheel. The nearest named color is Brownish Purple (#76424E), ΔE 0.043 away. White text reads best on it, at 7.61:1.
| Hue family | Reds |
| Lightness | dark (45%) |
| Chroma | muted (0.030) |
| Temperature | warm |
| Nearest name | Brownish Purple (#76424E) |
| Black text | 2.75:1 |
| White text | 7.61:1 |
Values
| HEX | #644E53 |
| RGB | rgb(100, 78, 83) |
| HSL | hsl(346, 12%, 35%) |
| OKLCH | oklch(44.8% 0.03 3.2) |
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 #644E53 | 7.61:1 | AAA | Lc -91.2 | Preferred for body text |
| Black text on #644E53 | 2.75:1 | Fails | Lc 17.6 | Dividers and decoration only |
| #644E53 text on white | 7.61:1 | AAA | Lc 86.5 | Fine for body text |
| #644E53 text on black | 2.75:1 | Fails | Lc -15.6 | 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 800.
-
Step 50
50
#F7F5F5
oklch(97.2% 0.002 17.2)
-
Step 100
100
#EDE8E9
oklch(93.5% 0.006 3.3)
-
Step 200
200
#DFD6D8
oklch(88.4% 0.01 2)
-
Step 300
300
#CBBCBF
oklch(80.9% 0.017 3.8)
-
Step 400
400
#B19A9F
oklch(70.8% 0.028 3.1)
-
Step 500
500
#9D8187
oklch(63.1% 0.035 3.7)
-
Step 600
600
#886A71
oklch(55.6% 0.039 2.9)
-
Step 700
700
#73585E
oklch(49% 0.037 3.7)
-
Step 800
800 (this color)
#644E53
oklch(44.8% 0.03 3.2)
-
Step 900
900
#4D3C40
oklch(37.6% 0.025 2.6)
-
Step 950
950
#2D2326
oklch(26.9% 0.016 358.3)
#644E53 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) | #515153 | 0.033 |
| Deuteranopia (no green cones) | #565553 | 0.030 |
| Tritanopia (no blue cones) | #684D50 | 0.008 |
| Achromatopsia (no color) | #545454 | 0.031 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #644E53
#644E53
oklch(44.8% 0.03 3.2)
- #425B56
#425B56
oklch(44.9% 0.031 181.1)
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 #644E53, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brownish Purple #76424E ΔE 0.043
- Purple Brown #673A3F ΔE 0.055
- Dusty Grape #545775 ΔE 0.057
- Dark Mauve #874C62 ΔE 0.070
- Slate #516572 ΔE 0.073
- YInMn Blue #415A77 ΔE 0.074
- Dusk #4E5481 ΔE 0.079
- Dim Gray #696969 ΔE 0.079
Use #644E53 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.