#4C879E
Closest named color: Dusty Blue (#5A86AD). oklch(59.2% 0.071 225.3), rgb(76, 135, 158).
Aa
Black text reads best on this color (5.26:1).
About this color
#4C879E is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 59%, its chroma 0.071 and its hue 225°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Blue (#5A86AD), ΔE 0.030 away. Black text reads best on it, at 5.26:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.071) |
| Temperature | cool |
| Nearest name | Dusty Blue (#5A86AD) |
| Black text | 5.26:1 |
| White text | 3.98:1 |
Values
| HEX | #4C879E |
| RGB | rgb(76, 135, 158) |
| HSL | hsl(197, 35%, 46%) |
| OKLCH | oklch(59.2% 0.071 225.3) |
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 #4C879E | 3.98:1 | AA large text | Lc -72.6 | Content text, not long reading |
| Black text on #4C879E | 5.26:1 | AA | Lc 37.0 | Non-text elements, placeholder text |
| #4C879E text on white | 3.98:1 | AA large text | Lc 67.1 | Content text, not long reading |
| #4C879E text on black | 5.26:1 | AA | Lc -34.6 | 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
#E4EBEE
oklch(93.6% 0.009 225.1)
-
Step 200
200
#CDDCE2
oklch(88.5% 0.018 223.6)
-
Step 300
300
#ACC5D0
oklch(80.8% 0.031 226.1)
-
Step 400
400
#7FA8B9
oklch(70.8% 0.051 225.3)
-
Step 500
500
#5D92A7
oklch(63.1% 0.064 225.1)
-
Step 600
600 (this color)
#4C879E
oklch(59.2% 0.071 225.3)
-
Step 700
700
#32697D
oklch(49.2% 0.066 224.4)
-
Step 800
800
#2B5566
oklch(42.7% 0.055 226.6)
-
Step 900
900
#274653
oklch(37.6% 0.043 226.9)
-
Step 950
950
#182930
oklch(26.9% 0.026 225.8)
#4C879E 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) | #7A859F | 0.054 |
| Deuteranopia (no green cones) | #6E7B9E | 0.049 |
| Tritanopia (no blue cones) | #1B8E8E | 0.049 |
| Achromatopsia (no color) | #7F7F7F | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4C879E
#4C879E
oklch(59.2% 0.071 225.3)
- #A2715A
#A2715A
oklch(59.3% 0.071 46)
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 #4C879E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Blue #5A86AD ΔE 0.030
- Off Blue #5684AE ΔE 0.031
- Stormy Blue #507B9C ΔE 0.035
- Cerulean #457B9D ΔE 0.037
- Grey Blue #647D8E ΔE 0.037
- Teal Blue #01889F ΔE 0.038
- Blue NCS #118AB2 ΔE 0.041
- Steel Blue #4682B4 ΔE 0.041
Use #4C879E 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.