#4C8593
Closest named color: Grey Blue (#647D8E). oklch(58.3% 0.064 215.4), rgb(76, 133, 147).
Aa
Black text reads best on this color (5.08:1).
About this color
#4C8593 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 58%, its chroma 0.064 and its hue 215°. Its hue sits on the cool side of the wheel. The nearest named color is Grey Blue (#647D8E), ΔE 0.032 away. Black text reads best on it, at 5.08:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (58%) |
| Chroma | muted (0.064) |
| Temperature | cool |
| Nearest name | Grey Blue (#647D8E) |
| Black text | 5.08:1 |
| White text | 4.13:1 |
Values
| HEX | #4C8593 |
| RGB | rgb(76, 133, 147) |
| HSL | hsl(192, 32%, 44%) |
| OKLCH | oklch(58.3% 0.064 215.4) |
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 #4C8593 | 4.13:1 | AA large text | Lc -73.8 | Content text, not long reading |
| Black text on #4C8593 | 5.08:1 | AA | Lc 35.8 | Non-text elements, placeholder text |
| #4C8593 text on white | 4.13:1 | AA large text | Lc 68.3 | Content text, not long reading |
| #4C8593 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
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E4EBED
oklch(93.5% 0.008 216.6)
-
Step 200
200
#CEDCE0
oklch(88.5% 0.016 216.7)
-
Step 300
300
#ADC6CC
oklch(81% 0.028 213.8)
-
Step 400
400
#80A8B3
oklch(70.6% 0.046 216.5)
-
Step 500
500
#5F93A0
oklch(63.2% 0.059 215.3)
-
Step 600
600 (this color)
#4C8593
oklch(58.3% 0.064 215.4)
-
Step 700
700
#356976
oklch(49% 0.059 216.1)
-
Step 800
800
#2D5660
oklch(42.8% 0.049 215.4)
-
Step 900
900
#29474E
oklch(37.7% 0.038 214.2)
-
Step 950
950
#182A2E
oklch(27.1% 0.025 213.2)
#4C8593 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) | #7B8294 | 0.057 |
| Deuteranopia (no green cones) | #707993 | 0.052 |
| Tritanopia (no blue cones) | #278A89 | 0.037 |
| Achromatopsia (no color) | #7D7D7D | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4C8593
#4C8593
oklch(58.3% 0.064 215.4)
- #9D6E61
#9D6E61
oklch(58.3% 0.064 36.1)
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 #4C8593, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grey Blue #647D8E ΔE 0.032
- Stormy Blue #507B9C ΔE 0.037
- Teal Blue #01889F ΔE 0.039
- Cerulean #457B9D ΔE 0.039
- Steel Grey #6F828A ΔE 0.040
- Battleship Grey #6B7C85 ΔE 0.041
- Slate Gray #708090 ΔE 0.042
- Dusty Blue #5A86AD ΔE 0.045
Use #4C8593 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.