#4E708B
Closest named color: Metallic Blue (#4F738E). oklch(53% 0.058 243.1), rgb(78, 112, 139).
Aa
White text reads best on this color (5.23:1).
About this color
#4E708B is a medium-dark, muted blue. In OKLCH its lightness is 53%, its chroma 0.058 and its hue 243°. Its hue sits on the cool side of the wheel. The nearest named color is Metallic Blue (#4F738E), ΔE 0.009 away. White text reads best on it, at 5.23:1.
| Hue family | Blues |
| Lightness | medium-dark (53%) |
| Chroma | muted (0.058) |
| Temperature | cool |
| Nearest name | Metallic Blue (#4F738E) |
| Black text | 4.01:1 |
| White text | 5.23:1 |
Values
| HEX | #4E708B |
| RGB | rgb(78, 112, 139) |
| HSL | hsl(207, 28%, 43%) |
| OKLCH | oklch(53% 0.058 243.1) |
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 #4E708B | 5.23:1 | AA | Lc -81.3 | Fine for body text |
| Black text on #4E708B | 4.01:1 | AA large text | Lc 28.2 | Dividers and decoration only |
| #4E708B text on white | 5.23:1 | AA | Lc 75.9 | Fine for body text |
| #4E708B text on black | 4.01:1 | AA large text | Lc -25.8 | 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
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E6EAEF
oklch(93.5% 0.008 253.9)
-
Step 200
200
#D1DAE2
oklch(88.4% 0.015 244.7)
-
Step 300
300
#B3C3D0
oklch(80.9% 0.025 242.4)
-
Step 400
400
#8BA4B9
oklch(70.7% 0.042 243.7)
-
Step 500
500
#6E8EA8
oklch(63.2% 0.053 243.2)
-
Step 600
600 (this color)
#4E708B
oklch(53% 0.058 243.1)
-
Step 700
700
#45647D
oklch(48.9% 0.054 243.5)
-
Step 800
800
#395266
oklch(42.7% 0.045 243.2)
-
Step 900
900
#314453
oklch(37.7% 0.035 242.6)
-
Step 950
950
#1D2830
oklch(27% 0.021 240.1)
#4E708B 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) | #65708C | 0.030 |
| Deuteranopia (no green cones) | #5D698B | 0.027 |
| Tritanopia (no blue cones) | #367779 | 0.048 |
| Achromatopsia (no color) | #6C6C6C | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4E708B
#4E708B
oklch(53% 0.058 243.1)
- #846548
#846548
oklch(53.1% 0.058 64.1)
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 #4E708B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Metallic Blue #4F738E ΔE 0.009
- Dull Blue #49759C ΔE 0.027
- Muted Blue #3B719F ΔE 0.035
- Cerulean #457B9D ΔE 0.036
- Stormy Blue #507B9C ΔE 0.037
- Slate #516572 ΔE 0.044
- Flat Blue #3C73A8 ΔE 0.046
- Sea Blue #047495 ΔE 0.048
Use #4E708B 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.