#5D758B
Closest named color: Metallic Blue (#4F738E). oklch(55.2% 0.044 246.4), rgb(93, 117, 139).
Aa
White text reads best on this color (4.79:1).
About this color
#5D758B is a medium-dark, muted blue. In OKLCH its lightness is 55%, its chroma 0.044 and its hue 246°. Its hue sits on the cool side of the wheel. The nearest named color is Metallic Blue (#4F738E), ΔE 0.020 away. White text reads best on it, at 4.79:1.
| Hue family | Blues |
| Lightness | medium-dark (55%) |
| Chroma | muted (0.044) |
| Temperature | cool |
| Nearest name | Metallic Blue (#4F738E) |
| Black text | 4.38:1 |
| White text | 4.79:1 |
Values
| HEX | #5D758B |
| RGB | rgb(93, 117, 139) |
| HSL | hsl(209, 20%, 45%) |
| OKLCH | oklch(55.2% 0.044 246.4) |
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 #5D758B | 4.79:1 | AA | Lc -78.7 | Fine for body text |
| Black text on #5D758B | 4.38:1 | AA large text | Lc 30.8 | Non-text elements, placeholder text |
| #5D758B text on white | 4.79:1 | AA | Lc 73.2 | Content text, not long reading |
| #5D758B text on black | 4.38:1 | AA large text | Lc -28.5 | 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 600.
-
Step 50
50
#F4F6F7
oklch(97.2% 0.003 228.8)
-
Step 100
100
#E7EAED
oklch(93.6% 0.005 247.9)
-
Step 200
200
#D3DAE0
oklch(88.5% 0.011 243.7)
-
Step 300
300
#B7C2CD
oklch(80.9% 0.02 248.1)
-
Step 400
400
#91A3B4
oklch(70.7% 0.032 246.7)
-
Step 500
500
#768CA1
oklch(63% 0.041 247.2)
-
Step 600
600 (this color)
#5D758B
oklch(55.2% 0.044 246.4)
-
Step 700
700
#4E6377
oklch(49% 0.041 247.4)
-
Step 800
800
#405161
oklch(42.7% 0.034 247.1)
-
Step 900
900
#36434F
oklch(37.6% 0.027 246.4)
-
Step 950
950
#20272E
oklch(26.9% 0.016 248.4)
#5D758B 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) | #6C758C | 0.021 |
| Deuteranopia (no green cones) | #67708B | 0.019 |
| Tritanopia (no blue cones) | #4F7A7C | 0.037 |
| Achromatopsia (no color) | #727272 | 0.044 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5D758B
#5D758B
oklch(55.2% 0.044 246.4)
- #846D56
#846D56
oklch(55.1% 0.045 66.7)
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 #5D758B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Metallic Blue #4F738E ΔE 0.020
- Grey Blue #647D8E ΔE 0.026
- Battleship Gray #6C757D ΔE 0.029
- Stormy Blue #507B9C ΔE 0.029
- Battleship Grey #6B7C85 ΔE 0.033
- Dull Blue #49759C ΔE 0.034
- Cerulean #457B9D ΔE 0.036
- Slate Gray #708090 ΔE 0.043
Use #5D758B 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.