#5B5E79
Closest named color: Dusty Grape (#545775). oklch(49% 0.043 279.7), rgb(91, 94, 121).
Aa
White text reads best on this color (6.32:1).
About this color
#5B5E79 is a medium-dark, muted blue. In OKLCH its lightness is 49%, its chroma 0.043 and its hue 280°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Grape (#545775), ΔE 0.024 away. White text reads best on it, at 6.32:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | muted (0.043) |
| Temperature | cool |
| Nearest name | Dusty Grape (#545775) |
| Black text | 3.32:1 |
| White text | 6.32:1 |
Values
| HEX | #5B5E79 |
| RGB | rgb(91, 94, 121) |
| HSL | hsl(234, 14%, 42%) |
| OKLCH | oklch(49% 0.043 279.7) |
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 #5B5E79 | 6.32:1 | AA | Lc -86.6 | Fine for body text |
| Black text on #5B5E79 | 3.32:1 | AA large text | Lc 22.6 | Dividers and decoration only |
| #5B5E79 text on white | 6.32:1 | AA | Lc 81.5 | Fine for body text |
| #5B5E79 text on black | 3.32:1 | AA large text | Lc -20.4 | 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
#E9E9EE
oklch(93.5% 0.007 286.3)
-
Step 200
200
#D7D8E1
oklch(88.4% 0.012 281.1)
-
Step 300
300
#BDBFCE
oklch(80.8% 0.021 279.9)
-
Step 400
400
#9C9FB6
oklch(70.8% 0.034 279.6)
-
Step 500
500
#8487A4
oklch(63.1% 0.044 280.4)
-
Step 600
600
#6D718F
oklch(55.6% 0.047 278.8)
-
Step 700
700 (this color)
#5B5E79
oklch(49% 0.043 279.7)
-
Step 800
800
#4B4D63
oklch(42.7% 0.036 280.7)
-
Step 900
900
#3E4051
oklch(37.7% 0.029 279.6)
-
Step 950
950
#24262F
oklch(27% 0.017 275.4)
#5B5E79 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) | #57617A | 0.010 |
| Deuteranopia (no green cones) | #555F78 | 0.009 |
| Tritanopia (no blue cones) | #546367 | 0.039 |
| Achromatopsia (no color) | #606060 | 0.043 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B5E79
#5B5E79
oklch(49% 0.043 279.7)
- #666145
#666145
oklch(49% 0.042 99.2)
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 #5B5E79, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.024
- Slate #516572 ΔE 0.030
- YInMn Blue #415A77 ΔE 0.040
- Dusk #4E5481 ΔE 0.042
- Denim #3B638C ΔE 0.048
- Dusky Blue #475F94 ΔE 0.050
- Dim Gray #696969 ΔE 0.053
- Twilight #4E518B ΔE 0.059
Use #5B5E79 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.