#3193CB
Closest named color: Water Blue (#0E87CC). oklch(63.2% 0.122 238.6), rgb(49, 147, 203).
Aa
Black text reads best on this color (6.16:1).
About this color
#3193CB is a medium-light, moderately saturated blue. In OKLCH its lightness is 63%, its chroma 0.122 and its hue 239°. Its hue sits on the cool side of the wheel. The nearest named color is Water Blue (#0E87CC), ΔE 0.040 away. Black text reads best on it, at 6.16:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.122) |
| Temperature | cool |
| Nearest name | Water Blue (#0E87CC) |
| Black text | 6.16:1 |
| White text | 3.40:1 |
Values
| HEX | #3193CB |
| RGB | rgb(49, 147, 203) |
| HSL | hsl(202, 61%, 49%) |
| OKLCH | oklch(63.2% 0.122 238.6) |
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 #3193CB | 3.40:1 | AA large text | Lc -66.6 | Content text, not long reading |
| Black text on #3193CB | 6.16:1 | AA | Lc 42.9 | Non-text elements, placeholder text |
| #3193CB text on white | 3.40:1 | AA large text | Lc 61.2 | Content text, not long reading |
| #3193CB text on black | 6.16:1 | AA | Lc -40.5 | 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
#E0ECF4
oklch(93.6% 0.017 236.7)
-
Step 200
200
#C6DDED
oklch(88.5% 0.033 238.2)
-
Step 300
300
#9DC7E3
oklch(80.9% 0.06 237.7)
-
Step 400
400
#64A9D6
oklch(70.7% 0.096 238.7)
-
Step 500
500 (this color)
#3193CB
oklch(63.2% 0.122 238.6)
-
Step 600
600
#007CB3
oklch(55.7% 0.124 238.2)
-
Step 700
700
#006897
oklch(49.1% 0.109 238.1)
-
Step 800
800
#00557D
oklch(42.7% 0.096 238.5)
-
Step 900
900
#094767
oklch(37.8% 0.079 238.3)
-
Step 950
950
#0A293C
oklch(26.9% 0.05 239.7)
#3193CB 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) | #7893CE | 0.066 |
| Deuteranopia (no green cones) | #6485CA | 0.053 |
| Tritanopia (no blue cones) | #00A1A6 | 0.081 |
| Achromatopsia (no color) | #8B8B8B | 0.122 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3193CB
#3193CB
oklch(63.2% 0.122 238.6)
- #C07535
#C07535
oklch(63.2% 0.122 58.1)
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 #3193CB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Water Blue #0E87CC ΔE 0.040
- Cool Blue #4984B8 ΔE 0.045
- Dark Sky Blue #448EE4 ΔE 0.046
- Blue NCS #118AB2 ΔE 0.047
- Faded Blue #658CBB ΔE 0.047
- Steel Blue #4682B4 ΔE 0.052
- Dusty Blue #5A86AD ΔE 0.055
- Off Blue #5684AE ΔE 0.055
Use #3193CB 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.