#636493
Closest named color: Dusky Blue (#475F94). oklch(52.2% 0.074 282.6), rgb(99, 100, 147).
Aa
White text reads best on this color (5.56:1).
About this color
#636493 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 52%, its chroma 0.074 and its hue 283°. Its hue sits on the cool side of the wheel. The nearest named color is Dusky Blue (#475F94), ΔE 0.043 away. White text reads best on it, at 5.56:1.
| Hue family | Purples |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.074) |
| Temperature | cool |
| Nearest name | Dusky Blue (#475F94) |
| Black text | 3.77:1 |
| White text | 5.56:1 |
Values
| HEX | #636493 |
| RGB | rgb(99, 100, 147) |
| HSL | hsl(239, 20%, 48%) |
| OKLCH | oklch(52.2% 0.074 282.6) |
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 #636493 | 5.56:1 | AA | Lc -83.1 | Fine for body text |
| Black text on #636493 | 3.77:1 | AA large text | Lc 26.3 | Dividers and decoration only |
| #636493 text on white | 5.56:1 | AA | Lc 77.8 | Fine for body text |
| #636493 text on black | 3.77:1 | AA large text | Lc -24.0 | 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 700.
-
Step 50
50
#F5F5F9
oklch(97.1% 0.005 286.3)
-
Step 100
100
#E8E9F1
oklch(93.6% 0.011 280.5)
-
Step 200
200
#D7D8E6
oklch(88.6% 0.019 282.7)
-
Step 300
300
#BDBED8
oklch(80.9% 0.036 283.8)
-
Step 400
400
#9B9DC4
oklch(70.8% 0.057 282.5)
-
Step 500
500
#8384B5
oklch(63.1% 0.073 283.2)
-
Step 600
600
#6C6DA1
oklch(55.5% 0.08 282.6)
-
Step 700
700 (this color)
#636493
oklch(52.2% 0.074 282.6)
-
Step 800
800
#4A4B70
oklch(42.8% 0.061 282.3)
-
Step 900
900
#3E3E5A
oklch(37.6% 0.048 283.9)
-
Step 950
950
#242535
oklch(27.1% 0.03 281.4)
#636493 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) | #566A95 | 0.023 |
| Deuteranopia (no green cones) | #546792 | 0.022 |
| Tritanopia (no blue cones) | #576D75 | 0.065 |
| Achromatopsia (no color) | #686868 | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #636493
#636493
oklch(52.2% 0.074 282.6)
- #716B36
#716B36
oklch(52.1% 0.074 102.8)
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 #636493, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusky Blue #475F94 ΔE 0.043
- Muted Purple #805B87 ΔE 0.051
- Metallic Blue #4F738E ΔE 0.051
- Dusty Purple #825F87 ΔE 0.052
- Dull Blue #49759C ΔE 0.054
- Denim #3B638C ΔE 0.054
- French Blue #436BAD ΔE 0.054
- Muted Blue #3B719F ΔE 0.056
Use #636493 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.