#3C6FA5
Closest named color: Flat Blue (#3C73A8). oklch(53.1% 0.102 251.5), rgb(60, 111, 165).
Aa
White text reads best on this color (5.23:1).
About this color
#3C6FA5 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 53%, its chroma 0.102 and its hue 251°. Its hue sits on the cool side of the wheel. The nearest named color is Flat Blue (#3C73A8), ΔE 0.012 away. White text reads best on it, at 5.23:1.
| Hue family | Blues |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.102) |
| Temperature | cool |
| Nearest name | Flat Blue (#3C73A8) |
| Black text | 4.00:1 |
| White text | 5.23:1 |
Values
| HEX | #3C6FA5 |
| RGB | rgb(60, 111, 165) |
| HSL | hsl(211, 47%, 44%) |
| OKLCH | oklch(53.1% 0.102 251.5) |
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 #3C6FA5 | 5.23:1 | AA | Lc -81.2 | Fine for body text |
| Black text on #3C6FA5 | 4.00:1 | AA large text | Lc 28.3 | Dividers and decoration only |
| #3C6FA5 text on white | 5.23:1 | AA | Lc 75.8 | Fine for body text |
| #3C6FA5 text on black | 4.00:1 | AA large text | Lc -25.9 | 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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E4EBF3
oklch(93.7% 0.013 251.6)
-
Step 200
200
#CDDBEA
oklch(88.5% 0.026 250)
-
Step 300
300
#ACC3DE
oklch(80.9% 0.046 252.5)
-
Step 400
400
#7FA4CD
oklch(70.7% 0.073 251.4)
-
Step 500
500
#5E8DC1
oklch(63.1% 0.094 251.8)
-
Step 600
600 (this color)
#3C6FA5
oklch(53.1% 0.102 251.5)
-
Step 700
700
#356395
oklch(49.1% 0.095 252.1)
-
Step 800
800
#2C5178
oklch(42.6% 0.078 251.2)
-
Step 900
900
#284361
oklch(37.6% 0.061 252.1)
-
Step 950
950
#182839
oklch(27.1% 0.038 250.8)
#3C6FA5 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) | #5872A7 | 0.034 |
| Deuteranopia (no green cones) | #4A68A4 | 0.023 |
| Tritanopia (no blue cones) | #007C82 | 0.083 |
| Achromatopsia (no color) | #6C6C6C | 0.102 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3C6FA5
#3C6FA5
oklch(53.1% 0.102 251.5)
- #90611C
#90611C
oklch(53.1% 0.102 71.8)
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 #3C6FA5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Flat Blue #3C73A8 ΔE 0.012
- Muted Blue #3B719F ΔE 0.012
- French Blue #436BAD ΔE 0.020
- Dull Blue #49759C ΔE 0.029
- Mid Blue #276AB3 ΔE 0.034
- Ocean Blue #03719C ΔE 0.035
- Nice Blue #107AB0 ΔE 0.036
- Cerulean #457B9D ΔE 0.043
Use #3C6FA5 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.