#3C6AAC
Closest named color: French Blue (#436BAD). oklch(52.4% 0.116 257.6), rgb(60, 106, 172).
Aa
White text reads best on this color (5.45:1).
About this color
#3C6AAC is a medium-dark, moderately saturated blue. In OKLCH its lightness is 52%, its chroma 0.116 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is French Blue (#436BAD), ΔE 0.008 away. White text reads best on it, at 5.45:1.
| Hue family | Blues |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.116) |
| Temperature | cool |
| Nearest name | French Blue (#436BAD) |
| Black text | 3.84:1 |
| White text | 5.45:1 |
Values
| HEX | #3C6AAC |
| RGB | rgb(60, 106, 172) |
| HSL | hsl(215, 48%, 45%) |
| OKLCH | oklch(52.4% 0.116 257.6) |
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 #3C6AAC | 5.45:1 | AA | Lc -82.3 | Fine for body text |
| Black text on #3C6AAC | 3.84:1 | AA large text | Lc 27.1 | Dividers and decoration only |
| #3C6AAC text on white | 5.45:1 | AA | Lc 77.0 | Fine for body text |
| #3C6AAC text on black | 3.84:1 | AA large text | Lc -24.8 | 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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E4EAF4
oklch(93.5% 0.015 260.7)
-
Step 200
200
#CDDAED
oklch(88.4% 0.03 257.8)
-
Step 300
300
#ACC2E3
oklch(80.8% 0.053 258.4)
-
Step 400
400
#80A2D5
oklch(70.6% 0.084 258.3)
-
Step 500
500
#5F8BCA
oklch(63.2% 0.107 257.4)
-
Step 600
600 (this color)
#3C6AAC
oklch(52.4% 0.116 257.6)
-
Step 700
700
#37619D
oklch(49.2% 0.108 257.5)
-
Step 800
800
#2E4F7F
oklch(42.7% 0.089 257.8)
-
Step 900
900
#294266
oklch(37.7% 0.069 257.5)
-
Step 950
950
#18273C
oklch(27% 0.044 256.9)
#3C6AAC 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) | #4D6FAF | 0.025 |
| Deuteranopia (no green cones) | #3D65AB | 0.014 |
| Tritanopia (no blue cones) | #007983 | 0.094 |
| Achromatopsia (no color) | #696969 | 0.116 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3C6AAC
#3C6AAC
oklch(52.4% 0.116 257.6)
- #8C6000
#8C6000
oklch(52.3% 0.109 77.5)
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 #3C6AAC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Blue #436BAD ΔE 0.008
- Mid Blue #276AB3 ΔE 0.020
- Flat Blue #3C73A8 ΔE 0.028
- Muted Blue #3B719F ΔE 0.032
- Dusky Blue #475F94 ΔE 0.044
- Windows Blue #3778BF ΔE 0.044
- Ocean Blue #03719C ΔE 0.047
- Nice Blue #107AB0 ΔE 0.047
Use #3C6AAC 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.