#2384C3
Closest named color: Water Blue (#0E87CC). oklch(58.9% 0.129 243), rgb(35, 132, 195).
Aa
Black text reads best on this color (5.15:1).
About this color
#2384C3 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 59%, its chroma 0.129 and its hue 243°. Its hue sits on the cool side of the wheel. The nearest named color is Water Blue (#0E87CC), ΔE 0.015 away. Black text reads best on it, at 5.15:1.
| Hue family | Blues |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.129) |
| Temperature | cool |
| Nearest name | Water Blue (#0E87CC) |
| Black text | 5.15:1 |
| White text | 4.06:1 |
Values
| HEX | #2384C3 |
| RGB | rgb(35, 132, 195) |
| HSL | hsl(204, 70%, 45%) |
| OKLCH | oklch(58.9% 0.129 243) |
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 #2384C3 | 4.06:1 | AA large text | Lc -73.0 | Content text, not long reading |
| Black text on #2384C3 | 5.15:1 | AA | Lc 36.6 | Non-text elements, placeholder text |
| #2384C3 text on white | 4.06:1 | AA large text | Lc 67.5 | Content text, not long reading |
| #2384C3 text on black | 5.15:1 | AA | Lc -34.2 | 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 600.
-
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
#C8DCED
oklch(88.5% 0.032 243.7)
-
Step 300
300
#A1C6E4
oklch(81% 0.058 243)
-
Step 400
400
#6BA7D6
oklch(70.6% 0.093 243.3)
-
Step 500
500
#3F91CB
oklch(63.2% 0.118 242.7)
-
Step 600
600 (this color)
#2384C3
oklch(58.9% 0.129 243)
-
Step 700
700
#00669E
oklch(49% 0.119 243.2)
-
Step 800
800
#085481
oklch(42.8% 0.1 242.9)
-
Step 900
900
#144567
oklch(37.6% 0.078 243.4)
-
Step 950
950
#0E293C
oklch(27% 0.048 242.2)
#2384C3 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) | #6686C6 | 0.059 |
| Deuteranopia (no green cones) | #5077C2 | 0.045 |
| Tritanopia (no blue cones) | #00949A | 0.090 |
| Achromatopsia (no color) | #7E7E7E | 0.129 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2384C3
#2384C3
oklch(58.9% 0.129 243)
- #B26912
#B26912
oklch(59% 0.129 62.7)
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 #2384C3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Water Blue #0E87CC ΔE 0.015
- Cool Blue #4984B8 ΔE 0.030
- Steel Blue #4682B4 ΔE 0.030
- Windows Blue #3778BF ΔE 0.033
- Blue NCS #118AB2 ΔE 0.036
- Nice Blue #107AB0 ΔE 0.040
- Off Blue #5684AE ΔE 0.048
- Dusty Blue #5A86AD ΔE 0.054
Use #2384C3 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.