#64667E
Closest named color: Slate (#516572). oklch(51.7% 0.038 281.2), rgb(100, 102, 126).
Aa
White text reads best on this color (5.60:1).
About this color
#64667E is a medium-dark, muted purple. In OKLCH its lightness is 52%, its chroma 0.038 and its hue 281°. Its hue sits on the cool side of the wheel. The nearest named color is Slate (#516572), ΔE 0.035 away. White text reads best on it, at 5.60:1.
| Hue family | Purples |
| Lightness | medium-dark (52%) |
| Chroma | muted (0.038) |
| Temperature | cool |
| Nearest name | Slate (#516572) |
| Black text | 3.74:1 |
| White text | 5.60:1 |
Values
| HEX | #64667E |
| RGB | rgb(100, 102, 126) |
| HSL | hsl(235, 12%, 44%) |
| OKLCH | oklch(51.7% 0.038 281.2) |
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 #64667E | 5.60:1 | AA | Lc -83.3 | Fine for body text |
| Black text on #64667E | 3.74:1 | AA large text | Lc 26.0 | Dividers and decoration only |
| #64667E text on white | 5.60:1 | AA | Lc 78.1 | Fine for body text |
| #64667E text on black | 3.74:1 | AA large text | Lc -23.7 | 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
#F5F5F7
oklch(97.1% 0.003 286.4)
-
Step 100
100
#E9E9ED
oklch(93.5% 0.005 286.3)
-
Step 200
200
#D8D8E0
oklch(88.5% 0.011 286.2)
-
Step 300
300
#BEBFCD
oklch(80.8% 0.02 282.7)
-
Step 400
400
#9D9FB3
oklch(70.7% 0.029 281.1)
-
Step 500
500
#8587A0
oklch(63% 0.037 281.7)
-
Step 600
600
#6F718B
oklch(55.6% 0.04 281.5)
-
Step 700
700 (this color)
#64667E
oklch(51.7% 0.038 281.2)
-
Step 800
800
#4C4D60
oklch(42.7% 0.031 282.6)
-
Step 900
900
#3F404F
oklch(37.7% 0.026 282.1)
-
Step 950
950
#25262E
oklch(27.1% 0.015 279.7)
#64667E 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) | #60687F | 0.008 |
| Deuteranopia (no green cones) | #5F677D | 0.008 |
| Tritanopia (no blue cones) | #5E6A6E | 0.033 |
| Achromatopsia (no color) | #686868 | 0.038 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64667E
#64667E
oklch(51.7% 0.038 281.2)
- #6D6950
#6D6950
oklch(51.7% 0.038 100)
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 #64667E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.035
- Dim Gray #696969 ΔE 0.038
- Metallic Blue #4F738E ΔE 0.044
- Battleship Gray #6C757D ΔE 0.048
- Dusty Grape #545775 ΔE 0.052
- Dusty Purple #825F87 ΔE 0.055
- Grey Purple #826D8C ΔE 0.057
- Muted Purple #805B87 ΔE 0.057
Use #64667E 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.