#5184AE
Closest named color: Off Blue (#5684AE). oklch(59.5% 0.085 244.8), rgb(81, 132, 174).
Aa
Black text reads best on this color (5.26:1).
About this color
#5184AE is a medium-dark, moderately saturated blue. In OKLCH its lightness is 59%, its chroma 0.085 and its hue 245°. Its hue sits on the cool side of the wheel. The nearest named color is Off Blue (#5684AE), ΔE 0.005 away. Black text reads best on it, at 5.26:1.
| Hue family | Blues |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.085) |
| Temperature | cool |
| Nearest name | Off Blue (#5684AE) |
| Black text | 5.26:1 |
| White text | 3.99:1 |
Values
| HEX | #5184AE |
| RGB | rgb(81, 132, 174) |
| HSL | hsl(207, 36%, 50%) |
| OKLCH | oklch(59.5% 0.085 244.8) |
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 #5184AE | 3.99:1 | AA large text | Lc -72.6 | Content text, not long reading |
| Black text on #5184AE | 5.26:1 | AA | Lc 37.0 | Non-text elements, placeholder text |
| #5184AE text on white | 3.99:1 | AA large text | Lc 67.1 | Content text, not long reading |
| #5184AE text on black | 5.26:1 | AA | Lc -34.6 | Non-text elements, placeholder text |
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 500.
-
Step 50
50
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E3EBF1
oklch(93.6% 0.012 239.9)
-
Step 200
200
#CDDBE8
oklch(88.5% 0.023 246.1)
-
Step 300
300
#ABC4DA
oklch(80.9% 0.041 244.9)
-
Step 400
400
#7EA6C8
oklch(70.8% 0.066 244.6)
-
Step 500
500 (this color)
#5184AE
oklch(59.5% 0.085 244.8)
-
Step 600
600
#4079A6
oklch(55.7% 0.092 244.4)
-
Step 700
700
#32658E
oklch(49% 0.086 245.1)
-
Step 800
800
#2A5373
oklch(42.7% 0.071 244.1)
-
Step 900
900
#27455D
oklch(37.8% 0.055 244.1)
-
Step 950
950
#172836
oklch(26.9% 0.035 244.4)
#5184AE 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) | #7285B0 | 0.040 |
| Deuteranopia (no green cones) | #667BAD | 0.032 |
| Tritanopia (no blue cones) | #198E92 | 0.071 |
| Achromatopsia (no color) | #7F7F7F | 0.085 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5184AE
#5184AE
oklch(59.5% 0.085 244.8)
- #A27446
#A27446
oklch(59.5% 0.085 64.9)
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 #5184AE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Off Blue #5684AE ΔE 0.005
- Dusty Blue #5A86AD ΔE 0.012
- Steel Blue #4682B4 ΔE 0.016
- Cool Blue #4984B8 ΔE 0.017
- Stormy Blue #507B9C ΔE 0.033
- Cerulean #457B9D ΔE 0.037
- Faded Blue #658CBB ΔE 0.038
- Blue NCS #118AB2 ΔE 0.039
Use #5184AE 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.