#4C729A
Closest named color: Dull Blue (#49759C). oklch(54.1% 0.076 250.6), rgb(76, 114, 154).
Aa
White text reads best on this color (5.02:1).
About this color
#4C729A is a medium-dark, moderately saturated blue. In OKLCH its lightness is 54%, its chroma 0.076 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 5.02:1.
| Hue family | Blues |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.076) |
| Temperature | cool |
| Nearest name | Dull Blue (#49759C) |
| Black text | 4.18:1 |
| White text | 5.02:1 |
Values
| HEX | #4C729A |
| RGB | rgb(76, 114, 154) |
| HSL | hsl(211, 34%, 45%) |
| OKLCH | oklch(54.1% 0.076 250.6) |
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 #4C729A | 5.02:1 | AA | Lc -80.0 | Fine for body text |
| Black text on #4C729A | 4.18:1 | AA large text | Lc 29.5 | Dividers and decoration only |
| #4C729A text on white | 5.02:1 | AA | Lc 74.6 | Content text, not long reading |
| #4C729A 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
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E5EAF0
oklch(93.5% 0.01 252.8)
-
Step 200
200
#D0DAE6
oklch(88.4% 0.02 252.9)
-
Step 300
300
#B1C3D7
oklch(81% 0.035 251)
-
Step 400
400
#87A4C2
oklch(70.7% 0.055 249.5)
-
Step 500
500
#698DB3
oklch(63.1% 0.07 250.3)
-
Step 600
600 (this color)
#4C729A
oklch(54.1% 0.076 250.6)
-
Step 700
700
#416388
oklch(49% 0.072 251.4)
-
Step 800
800
#36516E
oklch(42.6% 0.059 251)
-
Step 900
900
#2F4359
oklch(37.6% 0.046 251.4)
-
Step 950
950
#1C2834
oklch(27.1% 0.028 248.9)
#4C729A 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) | #62739C | 0.028 |
| Deuteranopia (no green cones) | #586C99 | 0.021 |
| Tritanopia (no blue cones) | #277B80 | 0.065 |
| Achromatopsia (no color) | #6F6F6F | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4C729A
#4C729A
oklch(54.1% 0.076 250.6)
- #8B673B
#8B673B
oklch(54.1% 0.076 70.6)
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 #4C729A, 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 0.020
- Flat Blue #3C73A8 ΔE 0.026
- Cerulean #457B9D ΔE 0.026
- Stormy Blue #507B9C ΔE 0.027
- French Blue #436BAD ΔE 0.042
- Ocean Blue #03719C ΔE 0.047
Use #4C729A 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.