#3087C9
Closest named color: Water Blue (#0E87CC). oklch(60.3% 0.129 245.6), rgb(48, 135, 201).
Aa
Black text reads best on this color (5.43:1).
About this color
#3087C9 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 60%, its chroma 0.129 and its hue 246°. Its hue sits on the cool side of the wheel. The nearest named color is Water Blue (#0E87CC), ΔE 0.014 away. Black text reads best on it, at 5.43:1.
| Hue family | Blues |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.129) |
| Temperature | cool |
| Nearest name | Water Blue (#0E87CC) |
| Black text | 5.43:1 |
| White text | 3.86:1 |
Values
| HEX | #3087C9 |
| RGB | rgb(48, 135, 201) |
| HSL | hsl(206, 61%, 49%) |
| OKLCH | oklch(60.3% 0.129 245.6) |
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 #3087C9 | 3.86:1 | AA large text | Lc -71.2 | Content text, not long reading |
| Black text on #3087C9 | 5.43:1 | AA | Lc 38.3 | Non-text elements, placeholder text |
| #3087C9 text on white | 3.86:1 | AA large text | Lc 65.7 | Content text, not long reading |
| #3087C9 text on black | 5.43:1 | AA | Lc -35.9 | 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
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#E0EBF6
oklch(93.5% 0.019 248)
-
Step 200
200
#C7DCEF
oklch(88.5% 0.035 245.5)
-
Step 300
300
#9FC6E8
oklch(81% 0.064 245)
-
Step 400
400
#69A7DC
oklch(70.8% 0.101 245.7)
-
Step 500
500 (this color)
#3087C9
oklch(60.3% 0.129 245.6)
-
Step 600
600
#0379BF
oklch(55.7% 0.14 245.1)
-
Step 700
700
#0065A2
oklch(49% 0.125 245.5)
-
Step 800
800
#015386
oklch(42.8% 0.108 245.4)
-
Step 900
900
#11456B
oklch(37.7% 0.084 245.3)
-
Step 950
950
#0C293F
oklch(27.1% 0.054 244.7)
#3087C9 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) | #6989CC | 0.054 |
| Deuteranopia (no green cones) | #537BC8 | 0.040 |
| Tritanopia (no blue cones) | #00979F | 0.092 |
| Achromatopsia (no color) | #828282 | 0.129 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3087C9
#3087C9
oklch(60.3% 0.129 245.6)
- #B56E12
#B56E12
oklch(60.3% 0.13 65)
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 #3087C9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Water Blue #0E87CC ΔE 0.014
- Cool Blue #4984B8 ΔE 0.029
- Steel Blue #4682B4 ΔE 0.034
- Windows Blue #3778BF ΔE 0.041
- Blue NCS #118AB2 ΔE 0.042
- Dark Sky Blue #448EE4 ΔE 0.047
- Off Blue #5684AE ΔE 0.048
- Dusty Blue #5A86AD ΔE 0.053
Use #3087C9 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.