#5B609B
Closest named color: Dusky Blue (#475F94). oklch(51.1% 0.093 278.9), rgb(91, 96, 155).
Aa
White text reads best on this color (5.84:1).
About this color
#5B609B is a medium-dark, moderately saturated blue. In OKLCH its lightness is 51%, its chroma 0.093 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 5.84:1.
| Hue family | Blues |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.093) |
| Temperature | cool |
| Nearest name | Dusky Blue (#475F94) |
| Black text | 3.59:1 |
| White text | 5.84:1 |
Values
| HEX | #5B609B |
| RGB | rgb(91, 96, 155) |
| HSL | hsl(235, 26%, 48%) |
| OKLCH | oklch(51.1% 0.093 278.9) |
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 #5B609B | 5.84:1 | AA | Lc -84.4 | Fine for body text |
| Black text on #5B609B | 3.59:1 | AA large text | Lc 24.9 | Dividers and decoration only |
| #5B609B text on white | 5.84:1 | AA | Lc 79.2 | Fine for body text |
| #5B609B text on black | 3.59:1 | AA large text | Lc -22.6 | 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 700.
-
Step 50
50
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E8E9F3
oklch(93.6% 0.013 281.6)
-
Step 200
200
#D5D8EA
oklch(88.5% 0.025 278.3)
-
Step 300
300
#BABEDE
oklch(80.9% 0.045 279.7)
-
Step 400
400
#969CCE
oklch(70.6% 0.073 279)
-
Step 500
500
#7D83C1
oklch(63% 0.093 279.1)
-
Step 600
600
#676CAD
oklch(55.5% 0.101 279.2)
-
Step 700
700 (this color)
#5B609B
oklch(51.1% 0.093 278.9)
-
Step 800
800
#464A79
oklch(42.7% 0.078 278.9)
-
Step 900
900
#3B3E61
oklch(37.7% 0.06 279.4)
-
Step 950
950
#222439
oklch(26.9% 0.039 279.2)
#5B609B 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) | #4C679D | 0.026 |
| Deuteranopia (no green cones) | #48639A | 0.026 |
| Tritanopia (no blue cones) | #476C76 | 0.083 |
| Achromatopsia (no color) | #656565 | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B609B
#5B609B
oklch(51.1% 0.093 278.9)
- #74671C
#74671C
oklch(51.2% 0.094 99.1)
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 #5B609B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusky Blue #475F94 ΔE 0.030
- French Blue #436BAD ΔE 0.044
- Denim Blue #3B5B92 ΔE 0.049
- Denim #3B638C ΔE 0.050
- Twilight #4E518B ΔE 0.051
- Dusk #4E5481 ΔE 0.054
- Muted Blue #3B719F ΔE 0.056
- Flat Blue #3C73A8 ΔE 0.059
Use #5B609B 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.