#50839F
Closest named color: Stormy Blue (#507B9C). oklch(58.5% 0.07 233.8), rgb(80, 131, 159).
Aa
Black text reads best on this color (5.08:1).
About this color
#50839F is a medium-dark, muted blue. In OKLCH its lightness is 59%, its chroma 0.070 and its hue 234°. Its hue sits on the cool side of the wheel. The nearest named color is Stormy Blue (#507B9C), ΔE 0.023 away. Black text reads best on it, at 5.08:1.
| Hue family | Blues |
| Lightness | medium-dark (59%) |
| Chroma | muted (0.070) |
| Temperature | cool |
| Nearest name | Stormy Blue (#507B9C) |
| Black text | 5.08:1 |
| White text | 4.12:1 |
Values
| HEX | #50839F |
| RGB | rgb(80, 131, 159) |
| HSL | hsl(201, 33%, 47%) |
| OKLCH | oklch(58.5% 0.07 233.8) |
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 #50839F | 4.12:1 | AA large text | Lc -73.8 | Content text, not long reading |
| Black text on #50839F | 5.08:1 | AA | Lc 35.8 | Non-text elements, placeholder text |
| #50839F text on white | 4.12:1 | AA large text | Lc 68.3 | Content text, not long reading |
| #50839F text on black | 5.08:1 | AA | Lc -33.4 | 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
#E4EBEF
oklch(93.6% 0.009 232.4)
-
Step 200
200
#CFDBE3
oklch(88.5% 0.017 236.7)
-
Step 300
300
#AEC5D2
oklch(81% 0.031 232.5)
-
Step 400
400
#82A6BB
oklch(70.6% 0.05 234)
-
Step 500
500
#6290AB
oklch(63.1% 0.064 234.9)
-
Step 600
600 (this color)
#50839F
oklch(58.5% 0.07 233.8)
-
Step 700
700
#386780
oklch(49.1% 0.065 233.5)
-
Step 800
800
#2F5468
oklch(42.7% 0.054 233.6)
-
Step 900
900
#2A4554
oklch(37.5% 0.042 233.8)
-
Step 950
950
#192931
oklch(27% 0.026 230.6)
#50839F 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) | #7682A0 | 0.046 |
| Deuteranopia (no green cones) | #6B799F | 0.041 |
| Tritanopia (no blue cones) | #288A8C | 0.052 |
| Achromatopsia (no color) | #7D7D7D | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #50839F
#50839F
oklch(58.5% 0.07 233.8)
- #9D7154
#9D7154
oklch(58.6% 0.07 54.3)
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 #50839F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Stormy Blue #507B9C ΔE 0.023
- Off Blue #5684AE ΔE 0.025
- Dusty Blue #5A86AD ΔE 0.026
- Cerulean #457B9D ΔE 0.027
- Grey Blue #647D8E ΔE 0.032
- Steel Blue #4682B4 ΔE 0.035
- Cool Blue #4984B8 ΔE 0.038
- Slate Gray #708090 ΔE 0.041
Use #50839F 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.