#53748E
Closest named color: Metallic Blue (#4F738E). oklch(54.4% 0.056 242.7), rgb(83, 116, 142).
Aa
White text reads best on this color (4.93:1).
About this color
#53748E is a medium-dark, muted blue. In OKLCH its lightness is 54%, its chroma 0.056 and its hue 243°. Its hue sits on the cool side of the wheel. The nearest named color is Metallic Blue (#4F738E), ΔE 0.006 away. White text reads best on it, at 4.93:1.
| Hue family | Blues |
| Lightness | medium-dark (54%) |
| Chroma | muted (0.056) |
| Temperature | cool |
| Nearest name | Metallic Blue (#4F738E) |
| Black text | 4.25:1 |
| White text | 4.93:1 |
Values
| HEX | #53748E |
| RGB | rgb(83, 116, 142) |
| HSL | hsl(206, 26%, 44%) |
| OKLCH | oklch(54.4% 0.056 242.7) |
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 #53748E | 4.93:1 | AA | Lc -79.5 | Fine for body text |
| Black text on #53748E | 4.25:1 | AA large text | Lc 30.0 | Dividers and decoration only |
| #53748E text on white | 4.93:1 | AA | Lc 74.1 | Content text, not long reading |
| #53748E text on black | 4.25:1 | AA large text | Lc -27.6 | 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 600.
-
Step 50
50
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E6EAEE
oklch(93.5% 0.007 247.9)
-
Step 200
200
#D2DAE2
oklch(88.5% 0.014 248)
-
Step 300
300
#B3C3D0
oklch(80.9% 0.025 242.4)
-
Step 400
400
#8CA4B8
oklch(70.7% 0.04 243.5)
-
Step 500
500
#6F8EA6
oklch(63.2% 0.05 241.8)
-
Step 600
600 (this color)
#53748E
oklch(54.4% 0.056 242.7)
-
Step 700
700
#46647C
oklch(49% 0.052 243.2)
-
Step 800
800
#3A5265
oklch(42.7% 0.043 242.8)
-
Step 900
900
#324452
oklch(37.7% 0.033 242.1)
-
Step 950
950
#1D2830
oklch(27% 0.021 240.1)
#53748E 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) | #69748F | 0.029 |
| Deuteranopia (no green cones) | #616E8E | 0.024 |
| Tritanopia (no blue cones) | #3D7A7D | 0.044 |
| Achromatopsia (no color) | #707070 | 0.056 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #53748E
#53748E
oklch(54.4% 0.056 242.7)
- #87694E
#87694E
oklch(54.4% 0.055 63.2)
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 #53748E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Metallic Blue #4F738E ΔE 0.006
- Dull Blue #49759C ΔE 0.023
- Stormy Blue #507B9C ΔE 0.025
- Cerulean #457B9D ΔE 0.028
- Grey Blue #647D8E ΔE 0.036
- Muted Blue #3B719F ΔE 0.039
- Battleship Gray #6C757D ΔE 0.041
- Battleship Grey #6B7C85 ΔE 0.045
Use #53748E 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.