Muted Blue #3B719F
Muted Blue is a medium-dark, moderately saturated blue with hex code #3B719F and RGB rgb(59, 113, 159).
Aa
White text reads best on this color (5.18:1).
About this color
#3B719F is a medium-dark, moderately saturated blue. In OKLCH its lightness is 53%, its chroma 0.093 and its hue 246°. Its hue sits on the cool side of the wheel. It is the named color Muted Blue. White text reads best on it, at 5.18:1.
| Hue family | Blues |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.093) |
| Temperature | cool |
| Nearest name | Muted Blue |
| Black text | 4.04:1 |
| White text | 5.18:1 |
Colors that go with Muted Blue
Matches found by rotating Muted Blue around the OKLCH hue wheel, each labelled with the closest name in our list.
Complementary
The opposite hue (180°).
Analogous
Neighbouring hues, 30° either side.
Triadic
Three hues spaced 120° apart.
Color palettes with Muted Blue
Curated color palettes that contain a color within ΔE 0.06 (OKLab) of Muted Blue, closest first.
Similar named colors
The eight named colors closest to Muted Blue, with their ΔE distance.
- Flat Blue #3C73A8 ΔE 0.014
- Dull Blue #49759C ΔE 0.021
- Ocean Blue #03719C ΔE 0.030
- French Blue #436BAD ΔE 0.032
- Cerulean #457B9D ΔE 0.034
- Metallic Blue #4F738E ΔE 0.035
- Sea Blue #047495 ΔE 0.036
- Nice Blue #107AB0 ΔE 0.036
More about Muted Blue
How to make Muted Blue
A starting recipe from common paint colors, found with a spectral paint model (the color mixer’s paint mode). Real pigments vary, so mix a small test batch and adjust.
- 4 parts blue
- 4 parts gray
- 1 part white
Recipe result: #3D719D, a difference of ΔE 0.004 from Muted Blue. That is very close: most people will not see the difference.
Codes for Muted Blue in every format
| HEX | #3B719F |
| RGB | rgb(59, 113, 159) |
| HSL | hsl(208, 46%, 43%) |
| OKLCH | oklch(53.2% 0.093 246.4) |
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 #3B719F | 5.18:1 | AA | Lc -80.9 | Fine for body text |
| Black text on #3B719F | 4.04:1 | AA large text | Lc 28.6 | Dividers and decoration only |
| #3B719F text on white | 5.18:1 | AA | Lc 75.5 | Fine for body text |
| #3B719F text on black | 4.04:1 | AA large text | Lc -26.2 | Dividers and decoration only |
Shades and tints of Muted Blue
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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E4EBF2
oklch(93.7% 0.012 248)
-
Step 200
200
#CDDBE8
oklch(88.5% 0.023 246.1)
-
Step 300
300
#ABC4DB
oklch(80.9% 0.042 246.1)
-
Step 400
400
#7FA5C8
oklch(70.7% 0.066 246.7)
-
Step 500
500
#5D8EBA
oklch(63% 0.085 246.7)
-
Step 600
600 (this color)
#3B719F
oklch(53.2% 0.093 246.4)
-
Step 700
700
#33658F
oklch(49.1% 0.087 246.1)
-
Step 800
800
#2B5274
oklch(42.6% 0.072 246.8)
-
Step 900
900
#28445E
oklch(37.7% 0.056 247.8)
-
Step 950
950
#182837
oklch(27% 0.035 247.7)
Muted Blue 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) | #5D72A1 | 0.039 |
| Deuteranopia (no green cones) | #4F689E | 0.031 |
| Tritanopia (no blue cones) | #007C81 | 0.073 |
| Achromatopsia (no color) | #6D6D6D | 0.093 |
Use Muted Blue 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.