Off Blue #5684AE
Off Blue is a medium-dark, moderately saturated blue with hex code #5684AE and RGB rgb(86, 132, 174).
Aa
Black text reads best on this color (5.30:1).
About this color
#5684AE is a medium-dark, moderately saturated blue. In OKLCH its lightness is 60%, its chroma 0.082 and its hue 247°. Its hue sits on the cool side of the wheel. It is the named color Off Blue. Black text reads best on it, at 5.30:1.
| Hue family | Blues |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.082) |
| Temperature | cool |
| Nearest name | Off Blue |
| Black text | 5.30:1 |
| White text | 3.95:1 |
Colors that go with Off Blue
Matches found by rotating Off 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 Off Blue
Curated color palettes that contain a color within ΔE 0.06 (OKLab) of Off Blue, closest first.
Similar named colors
The eight named colors closest to Off Blue, with their ΔE distance.
- Dusty Blue #5A86AD ΔE 0.008
- Cool Blue #4984B8 ΔE 0.019
- Steel Blue #4682B4 ΔE 0.020
- Faded Blue #658CBB ΔE 0.034
- Stormy Blue #507B9C ΔE 0.035
- Cerulean #457B9D ΔE 0.040
- Blue NCS #118AB2 ΔE 0.044
- Grey Blue #647D8E ΔE 0.049
More about Off Blue
How to make Off 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 pink
- 3 parts blue
- 1 part green
Recipe result: #5D85B0, a difference of ΔE 0.009 from Off Blue. That is very close: most people will not see the difference.
Codes for Off Blue in every format
| HEX | #5684AE |
| RGB | rgb(86, 132, 174) |
| HSL | hsl(209, 35%, 51%) |
| OKLCH | oklch(59.8% 0.082 247.2) |
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 #5684AE | 3.95:1 | AA large text | Lc -72.3 | Content text, not long reading |
| Black text on #5684AE | 5.30:1 | AA | Lc 37.3 | Non-text elements, placeholder text |
| #5684AE text on white | 3.95:1 | AA large text | Lc 66.8 | Content text, not long reading |
| #5684AE text on black | 5.30:1 | AA | Lc -34.8 | Non-text elements, placeholder text |
Shades and tints of Off 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 500.
-
Step 50
50
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E4EBF1
oklch(93.6% 0.011 243.7)
-
Step 200
200
#CEDBE7
oklch(88.5% 0.022 245.9)
-
Step 300
300
#ADC4DA
oklch(81% 0.04 247.1)
-
Step 400
400
#81A5C7
oklch(70.8% 0.064 247.3)
-
Step 500
500 (this color)
#5684AE
oklch(59.8% 0.082 247.2)
-
Step 600
600
#4578A5
oklch(55.7% 0.089 246.8)
-
Step 700
700
#37658D
oklch(49.2% 0.082 246.7)
-
Step 800
800
#2E5273
oklch(42.7% 0.069 247.8)
-
Step 900
900
#29445D
oklch(37.7% 0.054 247.6)
-
Step 950
950
#192836
oklch(27% 0.033 247.4)
Off 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) | #7385B0 | 0.036 |
| Deuteranopia (no green cones) | #677CAD | 0.028 |
| Tritanopia (no blue cones) | #2A8E92 | 0.070 |
| Achromatopsia (no color) | #808080 | 0.082 |
Use Off 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.