Dull Blue #49759C
Dull Blue is a medium-dark, moderately saturated blue with hex code #49759C and RGB rgb(73, 117, 156).
Aa
White text reads best on this color (4.87:1).
About this color
#49759C is a medium-dark, moderately saturated blue. In OKLCH its lightness is 55%, its chroma 0.078 and its hue 247°. Its hue sits on the cool side of the wheel. It is the named color Dull Blue. White text reads best on it, at 4.87:1.
| Hue family | Blues |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.078) |
| Temperature | cool |
| Nearest name | Dull Blue |
| Black text | 4.30:1 |
| White text | 4.87:1 |
Colors that go with Dull Blue
Matches found by rotating Dull Blue around the OKLCH hue wheel, each labelled with the closest name in our list.
Analogous
Neighbouring hues, 30° either side.
Triadic
Three hues spaced 120° apart.
Color palettes with Dull Blue
Curated color palettes that contain a color within ΔE 0.06 (OKLab) of Dull Blue, closest first.
Similar named colors
The eight named colors closest to Dull Blue, with their ΔE distance.
- Cerulean #457B9D ΔE 0.017
- Stormy Blue #507B9C ΔE 0.020
- Muted Blue #3B719F ΔE 0.021
- Metallic Blue #4F738E ΔE 0.022
- Flat Blue #3C73A8 ΔE 0.024
- Nice Blue #107AB0 ΔE 0.044
- French Blue #436BAD ΔE 0.045
- Sea Blue #047495 ΔE 0.045
More about Dull Blue
How to make Dull 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.
- 3 parts blue
- 3 parts gray
- 1 part white
Recipe result: #4075A0, a difference of ΔE 0.011 from Dull Blue. That is very close: most people will not see the difference.
Codes for Dull Blue in every format
| HEX | #49759C |
| RGB | rgb(73, 117, 156) |
| HSL | hsl(208, 36%, 45%) |
| OKLCH | oklch(54.7% 0.078 246.6) |
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 #49759C | 4.87:1 | AA | Lc -79.1 | Fine for body text |
| Black text on #49759C | 4.30:1 | AA large text | Lc 30.4 | Non-text elements, placeholder text |
| #49759C text on white | 4.87:1 | AA | Lc 73.7 | Content text, not long reading |
| #49759C text on black | 4.30:1 | AA large text | Lc -28.0 | Dividers and decoration only |
Shades and tints of Dull 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
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E5EBF0
oklch(93.7% 0.009 242.8)
-
Step 200
200
#CFDBE6
oklch(88.6% 0.02 245.7)
-
Step 300
300
#AFC3D7
oklch(80.8% 0.036 248.3)
-
Step 400
400
#84A5C2
oklch(70.8% 0.056 245.2)
-
Step 500
500
#658EB3
oklch(63.1% 0.072 246.5)
-
Step 600
600 (this color)
#49759C
oklch(54.7% 0.078 246.6)
-
Step 700
700
#3C6488
oklch(49% 0.074 247.1)
-
Step 800
800
#32526E
oklch(42.6% 0.06 246.2)
-
Step 900
900
#2C4459
oklch(37.6% 0.047 245.9)
-
Step 950
950
#1A2834
oklch(27% 0.03 245.1)
Dull 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) | #65769E | 0.035 |
| Deuteranopia (no green cones) | #5A6D9B | 0.028 |
| Tritanopia (no blue cones) | #1A7E82 | 0.067 |
| Achromatopsia (no color) | #717171 | 0.078 |
Use Dull 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.