#4C8798
Closest named color: Grey Blue (#647D8E). oklch(59% 0.067 218.5), rgb(76, 135, 152).
Aa
Black text reads best on this color (5.22:1).
About this color
#4C8798 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 59%, its chroma 0.067 and its hue 219°. Its hue sits on the cool side of the wheel. The nearest named color is Grey Blue (#647D8E), ΔE 0.035 away. Black text reads best on it, at 5.22:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (59%) |
| Chroma | muted (0.067) |
| Temperature | cool |
| Nearest name | Grey Blue (#647D8E) |
| Black text | 5.22:1 |
| White text | 4.01:1 |
Values
| HEX | #4C8798 |
| RGB | rgb(76, 135, 152) |
| HSL | hsl(193, 33%, 45%) |
| OKLCH | oklch(59% 0.067 218.5) |
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 #4C8798 | 4.01:1 | AA large text | Lc -72.8 | Content text, not long reading |
| Black text on #4C8798 | 5.22:1 | AA | Lc 36.7 | Non-text elements, placeholder text |
| #4C8798 text on white | 4.01:1 | AA large text | Lc 67.3 | Content text, not long reading |
| #4C8798 text on black | 5.22:1 | AA | Lc -34.3 | 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
#ACC6CE
oklch(81% 0.03 218.3)
-
Step 400
400
#7FA8B5
oklch(70.6% 0.048 219.3)
-
Step 500
500
#5D93A3
oklch(63.2% 0.062 218.6)
-
Step 600
600 (this color)
#4C8798
oklch(59% 0.067 218.5)
-
Step 700
700
#336978
oklch(49% 0.062 218.3)
-
Step 800
800
#2B5662
oklch(42.7% 0.052 218.2)
-
Step 900
900
#284750
oklch(37.8% 0.04 218.4)
-
Step 950
950
#182A2F
oklch(27.2% 0.025 217.2)
#4C8798 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) | #7C8499 | 0.058 |
| Deuteranopia (no green cones) | #707B98 | 0.052 |
| Tritanopia (no blue cones) | #228D8C | 0.042 |
| Achromatopsia (no color) | #7F7F7F | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4C8798
#4C8798
oklch(59% 0.067 218.5)
- #A07060
#A07060
oklch(59% 0.066 39.2)
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 #4C8798, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grey Blue #647D8E ΔE 0.035
- Teal Blue #01889F ΔE 0.038
- Stormy Blue #507B9C ΔE 0.038
- Dusty Blue #5A86AD ΔE 0.038
- Off Blue #5684AE ΔE 0.040
- Cerulean #457B9D ΔE 0.040
- Steel Grey #6F828A ΔE 0.042
- Slate Gray #708090 ΔE 0.043
Use #4C8798 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.