#0396CB
Closest named color: Water Blue (#0E87CC). oklch(63.3% 0.13 232.7), rgb(3, 150, 203).
Aa
Black text reads best on this color (6.22:1).
About this color
#0396CB is a medium-light, moderately saturated blue. In OKLCH its lightness is 63%, its chroma 0.130 and its hue 233°. Its hue sits on the cool side of the wheel. The nearest named color is Water Blue (#0E87CC), ΔE 0.043 away. Black text reads best on it, at 6.22:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.130) |
| Temperature | cool |
| Nearest name | Water Blue (#0E87CC) |
| Black text | 6.22:1 |
| White text | 3.37:1 |
Values
| HEX | #0396CB |
| RGB | rgb(3, 150, 203) |
| HSL | hsl(196, 97%, 40%) |
| OKLCH | oklch(63.3% 0.13 232.7) |
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 #0396CB | 3.37:1 | AA large text | Lc -66.0 | Content text, not long reading |
| Black text on #0396CB | 6.22:1 | AA | Lc 43.5 | Non-text elements, placeholder text |
| #0396CB text on white | 3.37:1 | AA large text | Lc 60.5 | Content text, not long reading |
| #0396CB text on black | 6.22:1 | AA | Lc -41.2 | 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 500.
-
Step 50
50
#F0F7FA
oklch(97.2% 0.008 225.1)
-
Step 100
100
#DEECF4
oklch(93.5% 0.018 232.5)
-
Step 200
200
#C3DEED
oklch(88.5% 0.035 232.1)
-
Step 300
300
#98C8E3
oklch(80.8% 0.063 233.2)
-
Step 400
400
#58ABD5
oklch(70.6% 0.101 232.7)
-
Step 500
500 (this color)
#0396CB
oklch(63.3% 0.13 232.7)
-
Step 600
600
#007DAB
oklch(55.5% 0.115 233.2)
-
Step 700
700
#006990
oklch(49% 0.101 232.9)
-
Step 800
800
#005677
oklch(42.6% 0.088 233.1)
-
Step 900
900
#004864
oklch(37.8% 0.078 232.8)
-
Step 950
950
#022A3C
oklch(26.9% 0.054 233.4)
#0396CB 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) | #7B95CD | 0.082 |
| Deuteranopia (no green cones) | #6485CA | 0.068 |
| Tritanopia (no blue cones) | #00A4A8 | 0.077 |
| Achromatopsia (no color) | #8C8C8C | 0.130 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0396CB
#0396CB
oklch(63.3% 0.13 232.7)
- #C67136
#C67136
oklch(63.3% 0.13 52.7)
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 #0396CB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Water Blue #0E87CC ΔE 0.043
- Blue NCS #118AB2 ΔE 0.045
- Cool Blue #4984B8 ΔE 0.055
- Dark Sky Blue #448EE4 ΔE 0.055
- Faded Blue #658CBB ΔE 0.060
- Steel Blue #4682B4 ΔE 0.060
- Dusty Blue #5A86AD ΔE 0.065
- Off Blue #5684AE ΔE 0.065
Use #0396CB 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.