#50859E
Closest named color: Dusty Blue (#5A86AD). oklch(59% 0.068 229.8), rgb(80, 133, 158).
Aa
Black text reads best on this color (5.18:1).
About this color
#50859E is a medium-dark, muted teal or cyan. In OKLCH its lightness is 59%, its chroma 0.068 and its hue 230°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Blue (#5A86AD), ΔE 0.027 away. Black text reads best on it, at 5.18:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (59%) |
| Chroma | muted (0.068) |
| Temperature | cool |
| Nearest name | Dusty Blue (#5A86AD) |
| Black text | 5.18:1 |
| White text | 4.04:1 |
Values
| HEX | #50859E |
| RGB | rgb(80, 133, 158) |
| HSL | hsl(199, 33%, 47%) |
| OKLCH | oklch(59% 0.068 229.8) |
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 #50859E | 4.04:1 | AA large text | Lc -73.1 | Content text, not long reading |
| Black text on #50859E | 5.18:1 | AA | Lc 36.5 | Non-text elements, placeholder text |
| #50859E text on white | 4.04:1 | AA large text | Lc 67.6 | Content text, not long reading |
| #50859E text on black | 5.18:1 | AA | Lc -34.1 | 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
#CEDCE2
oklch(88.6% 0.017 225.2)
-
Step 300
300
#ADC5D1
oklch(80.9% 0.031 229.3)
-
Step 400
400
#81A7BA
oklch(70.7% 0.05 229.9)
-
Step 500
500
#6191A8
oklch(63.1% 0.062 229.6)
-
Step 600
600 (this color)
#50859E
oklch(59% 0.068 229.8)
-
Step 700
700
#37687E
oklch(49.2% 0.064 229.1)
-
Step 800
800
#2E5466
oklch(42.5% 0.053 230.2)
-
Step 900
900
#2A4653
oklch(37.8% 0.04 229.1)
-
Step 950
950
#192931
oklch(27% 0.026 230.6)
#50859E 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) | #78839F | 0.048 |
| Deuteranopia (no green cones) | #6D7B9E | 0.042 |
| Tritanopia (no blue cones) | #288C8D | 0.050 |
| Achromatopsia (no color) | #7E7E7E | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #50859E
#50859E
oklch(59% 0.068 229.8)
- #9F7158
#9F7158
oklch(58.9% 0.069 49.5)
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 #50859E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Blue #5A86AD ΔE 0.027
- Off Blue #5684AE ΔE 0.028
- Stormy Blue #507B9C ΔE 0.029
- Grey Blue #647D8E ΔE 0.033
- Cerulean #457B9D ΔE 0.033
- Steel Blue #4682B4 ΔE 0.039
- Slate Gray #708090 ΔE 0.040
- Teal Blue #01889F ΔE 0.042
Use #50859E 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.