#5B608D
Closest named color: Dusky Blue (#475F94). oklch(50.4% 0.072 278.6), rgb(91, 96, 141).
Aa
White text reads best on this color (5.99:1).
About this color
#5B608D is a medium-dark, moderately saturated blue. In OKLCH its lightness is 50%, its chroma 0.072 and its hue 279°. Its hue sits on the cool side of the wheel. The nearest named color is Dusky Blue (#475F94), ΔE 0.030 away. White text reads best on it, at 5.99:1.
| Hue family | Blues |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.072) |
| Temperature | cool |
| Nearest name | Dusky Blue (#475F94) |
| Black text | 3.50:1 |
| White text | 5.99:1 |
Values
| HEX | #5B608D |
| RGB | rgb(91, 96, 141) |
| HSL | hsl(234, 22%, 45%) |
| OKLCH | oklch(50.4% 0.072 278.6) |
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 #5B608D | 5.99:1 | AA | Lc -85.1 | Fine for body text |
| Black text on #5B608D | 3.50:1 | AA large text | Lc 24.1 | Dividers and decoration only |
| #5B608D text on white | 5.99:1 | AA | Lc 79.9 | Fine for body text |
| #5B608D text on black | 3.50:1 | AA large text | Lc -21.9 | 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
#D6D8E6
oklch(88.5% 0.019 279.5)
-
Step 300
300
#BBBFD7
oklch(80.9% 0.034 278.1)
-
Step 400
400
#989EC4
oklch(70.8% 0.056 277.8)
-
Step 500
500
#7F85B4
oklch(63% 0.071 278.5)
-
Step 600
600
#696FA0
oklch(55.7% 0.076 278.2)
-
Step 700
700 (this color)
#5B608D
oklch(50.4% 0.072 278.6)
-
Step 800
800
#484C6F
oklch(42.8% 0.058 278.6)
-
Step 900
900
#3C3F5A
oklch(37.7% 0.046 279)
-
Step 950
950
#232535
oklch(27% 0.03 278.7)
#5B608D 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) | #52658F | 0.017 |
| Deuteranopia (no green cones) | #4F618C | 0.017 |
| Tritanopia (no blue cones) | #4D6970 | 0.064 |
| Achromatopsia (no color) | #636363 | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B608D
#5B608D
oklch(50.4% 0.072 278.6)
- #6F6532
#6F6532
oklch(50.4% 0.072 98.5)
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 #5B608D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusky Blue #475F94 ΔE 0.030
- Denim #3B638C ΔE 0.041
- Dusk #4E5481 ΔE 0.043
- Dusty Grape #545775 ΔE 0.044
- Denim Blue #3B5B92 ΔE 0.047
- Twilight #4E518B ΔE 0.049
- Slate #516572 ΔE 0.053
- YInMn Blue #415A77 ΔE 0.055
Use #5B608D 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.