#50879B
Closest named color: Dusty Blue (#5A86AD). oklch(59.3% 0.066 223.4), rgb(80, 135, 155).
Aa
Black text reads best on this color (5.27:1).
About this color
#50879B is a medium-dark, muted teal or cyan. In OKLCH its lightness is 59%, its chroma 0.066 and its hue 223°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Blue (#5A86AD), ΔE 0.032 away. Black text reads best on it, at 5.27:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (59%) |
| Chroma | muted (0.066) |
| Temperature | cool |
| Nearest name | Dusty Blue (#5A86AD) |
| Black text | 5.27:1 |
| White text | 3.97:1 |
Values
| HEX | #50879B |
| RGB | rgb(80, 135, 155) |
| HSL | hsl(196, 32%, 46%) |
| OKLCH | oklch(59.3% 0.066 223.4) |
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 #50879B | 3.97:1 | AA large text | Lc -72.5 | Content text, not long reading |
| Black text on #50879B | 5.27:1 | AA | Lc 37.1 | Non-text elements, placeholder text |
| #50879B text on white | 3.97:1 | AA large text | Lc 67.0 | Content text, not long reading |
| #50879B text on black | 5.27:1 | AA | Lc -34.7 | 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
#CEDCE1
oklch(88.5% 0.017 221.1)
-
Step 300
300
#ADC5CF
oklch(80.9% 0.03 224.8)
-
Step 400
400
#81A8B6
oklch(70.8% 0.047 221.9)
-
Step 500
500
#6092A4
oklch(63.1% 0.06 222.7)
-
Step 600
600 (this color)
#50879B
oklch(59.3% 0.066 223.4)
-
Step 700
700
#36687A
oklch(49% 0.061 223.7)
-
Step 800
800
#2E5563
oklch(42.7% 0.05 223.4)
-
Step 900
900
#294651
oklch(37.6% 0.04 224.2)
-
Step 950
950
#19292F
oklch(26.9% 0.024 223.4)
#50879B 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) | #7C849C | 0.054 |
| Deuteranopia (no green cones) | #707C9B | 0.047 |
| Tritanopia (no blue cones) | #2A8D8D | 0.044 |
| Achromatopsia (no color) | #7F7F7F | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #50879B
#50879B
oklch(59.3% 0.066 223.4)
- #A0725E
#A0725E
oklch(59.4% 0.066 44.4)
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 #50879B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Blue #5A86AD ΔE 0.032
- Grey Blue #647D8E ΔE 0.034
- Off Blue #5684AE ΔE 0.035
- Stormy Blue #507B9C ΔE 0.036
- Slate Gray #708090 ΔE 0.040
- Cerulean #457B9D ΔE 0.040
- Steel Grey #6F828A ΔE 0.040
- Steel #738595 ΔE 0.040
Use #50879B 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.