#3C85BF
Closest named color: Cool Blue (#4984B8). oklch(59.7% 0.115 245.5), rgb(60, 133, 191).
Aa
Black text reads best on this color (5.29:1).
About this color
#3C85BF is a medium-dark, moderately saturated blue. In OKLCH its lightness is 60%, its chroma 0.115 and its hue 245°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Blue (#4984B8), ΔE 0.014 away. Black text reads best on it, at 5.29:1.
| Hue family | Blues |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.115) |
| Temperature | cool |
| Nearest name | Cool Blue (#4984B8) |
| Black text | 5.29:1 |
| White text | 3.96:1 |
Values
| HEX | #3C85BF |
| RGB | rgb(60, 133, 191) |
| HSL | hsl(207, 52%, 49%) |
| OKLCH | oklch(59.7% 0.115 245.5) |
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 #3C85BF | 3.96:1 | AA large text | Lc -72.2 | Content text, not long reading |
| Black text on #3C85BF | 5.29:1 | AA | Lc 37.4 | Non-text elements, placeholder text |
| #3C85BF text on white | 3.96:1 | AA large text | Lc 66.7 | Content text, not long reading |
| #3C85BF text on black | 5.29:1 | AA | Lc -34.9 | 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 500.
-
Step 50
50
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#E1EBF4
oklch(93.5% 0.016 245.1)
-
Step 200
200
#C9DCED
oklch(88.6% 0.031 245.1)
-
Step 300
300
#A3C5E3
oklch(80.9% 0.056 245.2)
-
Step 400
400
#70A6D5
oklch(70.6% 0.09 245.8)
-
Step 500
500 (this color)
#3C85BF
oklch(59.7% 0.115 245.5)
-
Step 600
600
#2479B7
oklch(55.7% 0.124 245.3)
-
Step 700
700
#14659E
oklch(49.1% 0.117 245.8)
-
Step 800
800
#155380
oklch(42.8% 0.096 245.4)
-
Step 900
900
#1A4567
oklch(37.8% 0.075 245.6)
-
Step 950
950
#10283C
oklch(26.8% 0.048 246)
#3C85BF 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) | #6B87C2 | 0.049 |
| Deuteranopia (no green cones) | #597ABE | 0.038 |
| Tritanopia (no blue cones) | #009399 | 0.085 |
| Achromatopsia (no color) | #808080 | 0.115 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3C85BF
#3C85BF
oklch(59.7% 0.115 245.5)
- #AD6F29
#AD6F29
oklch(59.6% 0.114 65.1)
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 #3C85BF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Blue #4984B8 ΔE 0.014
- Steel Blue #4682B4 ΔE 0.018
- Water Blue #0E87CC ΔE 0.027
- Off Blue #5684AE ΔE 0.033
- Blue NCS #118AB2 ΔE 0.035
- Windows Blue #3778BF ΔE 0.038
- Dusty Blue #5A86AD ΔE 0.039
- Nice Blue #107AB0 ΔE 0.047
Use #3C85BF 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.