#4C6FA3
Closest named color: Flat Blue (#3C73A8). oklch(53.8% 0.091 258.1), rgb(76, 111, 163).
Aa
White text reads best on this color (5.10:1).
About this color
#4C6FA3 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 54%, its chroma 0.091 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is Flat Blue (#3C73A8), ΔE 0.018 away. White text reads best on it, at 5.10:1.
| Hue family | Blues |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.091) |
| Temperature | cool |
| Nearest name | Flat Blue (#3C73A8) |
| Black text | 4.10:1 |
| White text | 5.10:1 |
Values
| HEX | #4C6FA3 |
| RGB | rgb(76, 111, 163) |
| HSL | hsl(216, 36%, 47%) |
| OKLCH | oklch(53.8% 0.091 258.1) |
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 #4C6FA3 | 5.10:1 | AA | Lc -80.5 | Fine for body text |
| Black text on #4C6FA3 | 4.10:1 | AA large text | Lc 28.9 | Dividers and decoration only |
| #4C6FA3 text on white | 5.10:1 | AA | Lc 75.1 | Fine for body text |
| #4C6FA3 text on black | 4.10:1 | AA large text | Lc -26.6 | Dividers and decoration only |
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
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E5EAF2
oklch(93.6% 0.012 259.8)
-
Step 200
200
#D0DAE9
oklch(88.5% 0.023 258.4)
-
Step 300
300
#B1C2DC
oklch(81% 0.041 258.8)
-
Step 400
400
#87A2CA
oklch(70.6% 0.066 258.1)
-
Step 500
500
#698BBC
oklch(63.1% 0.084 257.5)
-
Step 600
600 (this color)
#4C6FA3
oklch(53.8% 0.091 258.1)
-
Step 700
700
#426191
oklch(49.1% 0.086 258.9)
-
Step 800
800
#365075
oklch(42.8% 0.07 257.2)
-
Step 900
900
#2F425F
oklch(37.7% 0.056 258.6)
-
Step 950
950
#1C2737
oklch(27% 0.034 257.7)
#4C6FA3 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) | #5A72A5 | 0.020 |
| Deuteranopia (no green cones) | #506AA2 | 0.014 |
| Tritanopia (no blue cones) | #1E7B82 | 0.082 |
| Achromatopsia (no color) | #6E6E6E | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4C6FA3
#4C6FA3
oklch(53.8% 0.091 258.1)
- #8B6728
#8B6728
oklch(53.8% 0.092 78.4)
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 #4C6FA3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Flat Blue #3C73A8 ΔE 0.018
- Muted Blue #3B719F ΔE 0.020
- Dull Blue #49759C ΔE 0.023
- French Blue #436BAD ΔE 0.024
- Metallic Blue #4F738E ΔE 0.039
- Cerulean #457B9D ΔE 0.039
- Stormy Blue #507B9C ΔE 0.040
- Mid Blue #276AB3 ΔE 0.046
Use #4C6FA3 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.