#4C879C
Closest named color: Dusty Blue (#5A86AD). oklch(59.2% 0.069 223.2), rgb(76, 135, 156).
Aa
Black text reads best on this color (5.25:1).
About this color
#4C879C is a medium-dark, muted teal or cyan. In OKLCH its lightness is 59%, its chroma 0.069 and its hue 223°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Blue (#5A86AD), ΔE 0.033 away. Black text reads best on it, at 5.25:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (59%) |
| Chroma | muted (0.069) |
| Temperature | cool |
| Nearest name | Dusty Blue (#5A86AD) |
| Black text | 5.25:1 |
| White text | 3.99:1 |
Values
| HEX | #4C879C |
| RGB | rgb(76, 135, 156) |
| HSL | hsl(196, 34%, 45%) |
| OKLCH | oklch(59.2% 0.069 223.2) |
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 #4C879C | 3.99:1 | AA large text | Lc -72.7 | Content text, not long reading |
| Black text on #4C879C | 5.25:1 | AA | Lc 36.9 | Non-text elements, placeholder text |
| #4C879C text on white | 3.99:1 | AA large text | Lc 67.2 | Content text, not long reading |
| #4C879C text on black | 5.25:1 | AA | Lc -34.5 | 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
#ACC6CF
oklch(81% 0.031 220.7)
-
Step 400
400
#7FA8B8
oklch(70.7% 0.05 223.9)
-
Step 500
500
#5D92A6
oklch(63% 0.064 223.9)
-
Step 600
600 (this color)
#4C879C
oklch(59.2% 0.069 223.2)
-
Step 700
700
#33697B
oklch(49.2% 0.064 222.3)
-
Step 800
800
#2B5564
oklch(42.6% 0.053 223.6)
-
Step 900
900
#274752
oklch(37.8% 0.042 222.2)
-
Step 950
950
#182930
oklch(26.9% 0.026 225.8)
#4C879C 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) | #7B849D | 0.056 |
| Deuteranopia (no green cones) | #6F7B9C | 0.050 |
| Tritanopia (no blue cones) | #1E8E8E | 0.046 |
| Achromatopsia (no color) | #7F7F7F | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4C879C
#4C879C
oklch(59.2% 0.069 223.2)
- #A1705C
#A1705C
oklch(59.1% 0.069 43.1)
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 #4C879C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Blue #5A86AD ΔE 0.033
- Off Blue #5684AE ΔE 0.034
- Stormy Blue #507B9C ΔE 0.035
- Grey Blue #647D8E ΔE 0.036
- Teal Blue #01889F ΔE 0.038
- Cerulean #457B9D ΔE 0.038
- Blue NCS #118AB2 ΔE 0.043
- Slate Gray #708090 ΔE 0.043
Use #4C879C 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.