#4C729B
Closest named color: Dull Blue (#49759C). oklch(54.1% 0.078 251.2), rgb(76, 114, 155).
Aa
White text reads best on this color (5.01:1).
About this color
#4C729B is a medium-dark, moderately saturated blue. In OKLCH its lightness is 54%, its chroma 0.078 and its hue 251°. Its hue sits on the cool side of the wheel. The nearest named color is Dull Blue (#49759C), ΔE 0.009 away. White text reads best on it, at 5.01:1.
| Hue family | Blues |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.078) |
| Temperature | cool |
| Nearest name | Dull Blue (#49759C) |
| Black text | 4.18:1 |
| White text | 5.01:1 |
Values
| HEX | #4C729B |
| RGB | rgb(76, 114, 155) |
| HSL | hsl(211, 34%, 45%) |
| OKLCH | oklch(54.1% 0.078 251.2) |
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 #4C729B | 5.01:1 | AA | Lc -80.0 | Fine for body text |
| Black text on #4C729B | 4.18:1 | AA large text | Lc 29.5 | Dividers and decoration only |
| #4C729B text on white | 5.01:1 | AA | Lc 74.6 | Content text, not long reading |
| #4C729B text on black | 4.18:1 | AA large text | Lc -27.1 | 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
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E5EAF1
oklch(93.5% 0.011 256.7)
-
Step 200
200
#D0DAE6
oklch(88.4% 0.02 252.9)
-
Step 300
300
#B1C3D7
oklch(81% 0.035 251)
-
Step 400
400
#87A4C3
oklch(70.8% 0.056 250.3)
-
Step 500
500
#698DB4
oklch(63.2% 0.072 251)
-
Step 600
600 (this color)
#4C729B
oklch(54.1% 0.078 251.2)
-
Step 700
700
#416389
oklch(49.1% 0.073 252.1)
-
Step 800
800
#36516F
oklch(42.7% 0.06 251.8)
-
Step 900
900
#2F435A
oklch(37.6% 0.047 252.5)
-
Step 950
950
#1C2835
oklch(27.2% 0.029 250.9)
#4C729B 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) | #62749D | 0.029 |
| Deuteranopia (no green cones) | #586C9A | 0.021 |
| Tritanopia (no blue cones) | #267B80 | 0.067 |
| Achromatopsia (no color) | #6F6F6F | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4C729B
#4C729B
oklch(54.1% 0.078 251.2)
- #8B6739
#8B6739
oklch(54% 0.078 71.7)
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 #4C729B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Blue #49759C ΔE 0.009
- Muted Blue #3B719F ΔE 0.019
- Metallic Blue #4F738E ΔE 0.022
- Flat Blue #3C73A8 ΔE 0.024
- Cerulean #457B9D ΔE 0.026
- Stormy Blue #507B9C ΔE 0.027
- French Blue #436BAD ΔE 0.040
- Ocean Blue #03719C ΔE 0.047
Use #4C729B 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.