#50859C
Closest named color: Dusty Blue (#5A86AD). oklch(58.9% 0.067 227.6), rgb(80, 133, 156).
Aa
Black text reads best on this color (5.17:1).
About this color
#50859C is a medium-dark, muted teal or cyan. In OKLCH its lightness is 59%, its chroma 0.067 and its hue 228°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Blue (#5A86AD), ΔE 0.030 away. Black text reads best on it, at 5.17:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (59%) |
| Chroma | muted (0.067) |
| Temperature | cool |
| Nearest name | Dusty Blue (#5A86AD) |
| Black text | 5.17:1 |
| White text | 4.05:1 |
Values
| HEX | #50859C |
| RGB | rgb(80, 133, 156) |
| HSL | hsl(198, 32%, 46%) |
| OKLCH | oklch(58.9% 0.067 227.6) |
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 #50859C | 4.05:1 | AA large text | Lc -73.2 | Content text, not long reading |
| Black text on #50859C | 5.17:1 | AA | Lc 36.4 | Non-text elements, placeholder text |
| #50859C text on white | 4.05:1 | AA large text | Lc 67.7 | Content text, not long reading |
| #50859C 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
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E4EBEE
oklch(93.6% 0.009 225.1)
-
Step 200
200
#CEDCE2
oklch(88.6% 0.017 225.2)
-
Step 300
300
#ADC5D0
oklch(80.9% 0.03 227.1)
-
Step 400
400
#82A7B8
oklch(70.7% 0.047 227.7)
-
Step 500
500
#6191A7
oklch(63.1% 0.061 228.5)
-
Step 600
600 (this color)
#50859C
oklch(58.9% 0.067 227.6)
-
Step 700
700
#37687C
oklch(49.1% 0.062 226.7)
-
Step 800
800
#2F5565
oklch(42.8% 0.051 227.1)
-
Step 900
900
#2A4652
oklch(37.7% 0.04 227)
-
Step 950
950
#192930
oklch(27% 0.025 227.2)
#50859C 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) | #79839D | 0.050 |
| Deuteranopia (no green cones) | #6E7A9C | 0.045 |
| Tritanopia (no blue cones) | #2A8C8C | 0.048 |
| Achromatopsia (no color) | #7E7E7E | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #50859C
#50859C
oklch(58.9% 0.067 227.6)
- #9E715A
#9E715A
oklch(58.9% 0.067 48.1)
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 #50859C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Blue #5A86AD ΔE 0.030
- Stormy Blue #507B9C ΔE 0.030
- Off Blue #5684AE ΔE 0.031
- Grey Blue #647D8E ΔE 0.032
- Cerulean #457B9D ΔE 0.034
- Slate Gray #708090 ΔE 0.039
- Teal Blue #01889F ΔE 0.041
- Steel Grey #6F828A ΔE 0.042
Use #50859C 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.