#4D718C
Closest named color: Metallic Blue (#4F738E). oklch(53.2% 0.059 241.6), rgb(77, 113, 140).
Aa
White text reads best on this color (5.17:1).
About this color
#4D718C is a medium-dark, muted blue. In OKLCH its lightness is 53%, its chroma 0.059 and its hue 242°. 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 5.17:1.
| Hue family | Blues |
| Lightness | medium-dark (53%) |
| Chroma | muted (0.059) |
| Temperature | cool |
| Nearest name | Metallic Blue (#4F738E) |
| Black text | 4.05:1 |
| White text | 5.17:1 |
Values
| HEX | #4D718C |
| RGB | rgb(77, 113, 140) |
| HSL | hsl(206, 29%, 43%) |
| OKLCH | oklch(53.2% 0.059 241.6) |
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 #4D718C | 5.17:1 | AA | Lc -81.0 | Fine for body text |
| Black text on #4D718C | 4.05:1 | AA large text | Lc 28.5 | Dividers and decoration only |
| #4D718C text on white | 5.17:1 | AA | Lc 75.6 | Fine for body text |
| #4D718C text on black | 4.05:1 | AA large text | Lc -26.1 | 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
#E5EBEF
oklch(93.7% 0.008 236.6)
-
Step 200
200
#D1DBE2
oklch(88.6% 0.015 238)
-
Step 300
300
#B2C3D1
oklch(80.9% 0.027 242.8)
-
Step 400
400
#8AA4B9
oklch(70.6% 0.042 242.7)
-
Step 500
500
#6C8EA8
oklch(63.1% 0.055 241.6)
-
Step 600
600 (this color)
#4D718C
oklch(53.2% 0.059 241.6)
-
Step 700
700
#44657D
oklch(49.1% 0.054 240.8)
-
Step 800
800
#385266
oklch(42.6% 0.046 242.2)
-
Step 900
900
#314453
oklch(37.7% 0.035 242.6)
-
Step 950
950
#1D2831
oklch(27.1% 0.023 243.4)
#4D718C 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) | #65718D | 0.031 |
| Deuteranopia (no green cones) | #5D6A8C | 0.027 |
| Tritanopia (no blue cones) | #33787A | 0.049 |
| Achromatopsia (no color) | #6D6D6D | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4D718C
#4D718C
oklch(53.2% 0.059 241.6)
- #866549
#866549
oklch(53.3% 0.059 61.4)
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 #4D718C, 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 0.025
- Cerulean #457B9D ΔE 0.034
- Muted Blue #3B719F ΔE 0.034
- Stormy Blue #507B9C ΔE 0.034
- Flat Blue #3C73A8 ΔE 0.045
- Sea Blue #047495 ΔE 0.046
- Slate #516572 ΔE 0.046
Use #4D718C 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.