#4E748B
Closest named color: Metallic Blue (#4F738E). oklch(54% 0.056 235.8), rgb(78, 116, 139).
Aa
White text reads best on this color (5.00:1).
About this color
#4E748B is a medium-dark, muted blue. In OKLCH its lightness is 54%, its chroma 0.056 and its hue 236°. Its hue sits on the cool side of the wheel. The nearest named color is Metallic Blue (#4F738E), ΔE 0.007 away. White text reads best on it, at 5.00:1.
| Hue family | Blues |
| Lightness | medium-dark (54%) |
| Chroma | muted (0.056) |
| Temperature | cool |
| Nearest name | Metallic Blue (#4F738E) |
| Black text | 4.19:1 |
| White text | 5.00:1 |
Values
| HEX | #4E748B |
| RGB | rgb(78, 116, 139) |
| HSL | hsl(203, 28%, 43%) |
| OKLCH | oklch(54% 0.056 235.8) |
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 #4E748B | 5.00:1 | AA | Lc -80.0 | Fine for body text |
| Black text on #4E748B | 4.19:1 | AA large text | Lc 29.5 | Dividers and decoration only |
| #4E748B text on white | 5.00:1 | AA | Lc 74.6 | Content text, not long reading |
| #4E748B text on black | 4.19:1 | AA large text | Lc -27.2 | 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
#E5EBEE
oklch(93.6% 0.008 228.9)
-
Step 200
200
#D1DBE1
oklch(88.6% 0.014 233.8)
-
Step 300
300
#B2C4CF
oklch(81% 0.025 234.5)
-
Step 400
400
#89A5B7
oklch(70.7% 0.041 236.4)
-
Step 500
500
#6B8FA5
oklch(63.1% 0.052 235.5)
-
Step 600
600 (this color)
#4E748B
oklch(54% 0.056 235.8)
-
Step 700
700
#43667A
oklch(49.2% 0.051 234.3)
-
Step 800
800
#375364
oklch(42.7% 0.044 235.9)
-
Step 900
900
#304551
oklch(37.8% 0.033 233.9)
-
Step 950
950
#1C2830
oklch(26.9% 0.022 237.9)
#4E748B 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) | #69738C | 0.035 |
| Deuteranopia (no green cones) | #616C8B | 0.032 |
| Tritanopia (no blue cones) | #357A7B | 0.044 |
| Achromatopsia (no color) | #6F6F6F | 0.056 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4E748B
#4E748B
oklch(54% 0.056 235.8)
- #88664F
#88664F
oklch(53.9% 0.056 55.3)
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 #4E748B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Metallic Blue #4F738E ΔE 0.007
- Dull Blue #49759C ΔE 0.027
- Stormy Blue #507B9C ΔE 0.030
- Cerulean #457B9D ΔE 0.030
- Muted Blue #3B719F ΔE 0.040
- Grey Blue #647D8E ΔE 0.040
- Battleship Gray #6C757D ΔE 0.044
- Ocean #017B92 ΔE 0.046
Use #4E748B 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.