#5683A4
Closest named color: Off Blue (#5684AE). oklch(59.1% 0.071 241.3), rgb(86, 131, 164).
Aa
Black text reads best on this color (5.17:1).
About this color
#5683A4 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 59%, its chroma 0.071 and its hue 241°. Its hue sits on the cool side of the wheel. The nearest named color is Off Blue (#5684AE), ΔE 0.015 away. Black text reads best on it, at 5.17:1.
| Hue family | Blues |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.071) |
| Temperature | cool |
| Nearest name | Off Blue (#5684AE) |
| Black text | 5.17:1 |
| White text | 4.05:1 |
Values
| HEX | #5683A4 |
| RGB | rgb(86, 131, 164) |
| HSL | hsl(205, 31%, 49%) |
| OKLCH | oklch(59.1% 0.071 241.3) |
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 #5683A4 | 4.05:1 | AA large text | Lc -73.2 | Content text, not long reading |
| Black text on #5683A4 | 5.17:1 | AA | Lc 36.4 | Non-text elements, placeholder text |
| #5683A4 text on white | 4.05:1 | AA large text | Lc 67.7 | Content text, not long reading |
| #5683A4 text on black | 5.17:1 | AA | Lc -34.0 | 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 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
#CFDBE4
oklch(88.5% 0.018 240)
-
Step 300
300
#AFC4D4
oklch(81% 0.032 240.7)
-
Step 400
400
#85A5BE
oklch(70.7% 0.051 242)
-
Step 500
500
#658FAE
oklch(63.1% 0.066 241.1)
-
Step 600
600 (this color)
#5683A4
oklch(59.1% 0.071 241.3)
-
Step 700
700
#3D6583
oklch(49% 0.066 242.2)
-
Step 800
800
#33536A
oklch(42.8% 0.054 240.9)
-
Step 900
900
#2D4556
oklch(37.8% 0.042 240.1)
-
Step 950
950
#1A2832
oklch(26.9% 0.027 240.1)
#5683A4 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) | #7583A6 | 0.039 |
| Deuteranopia (no green cones) | #6A7AA3 | 0.033 |
| Tritanopia (no blue cones) | #338B8E | 0.057 |
| Achromatopsia (no color) | #7E7E7E | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5683A4
#5683A4
oklch(59.1% 0.071 241.3)
- #9C7451
#9C7451
oklch(59% 0.071 62)
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 #5683A4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Off Blue #5684AE ΔE 0.015
- Dusty Blue #5A86AD ΔE 0.016
- Stormy Blue #507B9C ΔE 0.026
- Steel Blue #4682B4 ΔE 0.029
- Cool Blue #4984B8 ΔE 0.032
- Cerulean #457B9D ΔE 0.032
- Grey Blue #647D8E ΔE 0.035
- Slate Gray #708090 ΔE 0.040
Use #5683A4 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.