#1366C2
Closest named color: Mid Blue (#276AB3). oklch(51.7% 0.162 255.5), rgb(19, 102, 194).
Aa
White text reads best on this color (5.66:1).
About this color
#1366C2 is a medium-dark, vivid blue. In OKLCH its lightness is 52%, its chroma 0.162 and its hue 255°. Its hue sits on the cool side of the wheel. The nearest named color is Mid Blue (#276AB3), ΔE 0.029 away. White text reads best on it, at 5.66:1.
| Hue family | Blues |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.162) |
| Temperature | cool |
| Nearest name | Mid Blue (#276AB3) |
| Black text | 3.70:1 |
| White text | 5.66:1 |
Values
| HEX | #1366C2 |
| RGB | rgb(19, 102, 194) |
| HSL | hsl(212, 82%, 42%) |
| OKLCH | oklch(51.7% 0.162 255.5) |
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 #1366C2 | 5.66:1 | AA | Lc -83.0 | Fine for body text |
| Black text on #1366C2 | 3.70:1 | AA large text | Lc 26.4 | Dividers and decoration only |
| #1366C2 text on white | 5.66:1 | AA | Lc 77.7 | Fine for body text |
| #1366C2 text on black | 3.70:1 | AA large text | Lc -24.1 | Dividers and decoration only |
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 700.
-
Step 50
50
#F1F6FD
oklch(97.1% 0.011 256.7)
-
Step 100
100
#E0EBF9
oklch(93.6% 0.022 254.4)
-
Step 200
200
#C7DBF6
oklch(88.5% 0.043 255.9)
-
Step 300
300
#9FC3F3
oklch(80.8% 0.079 255.7)
-
Step 400
400
#69A3ED
oklch(70.7% 0.125 255.1)
-
Step 500
500
#3E8AE8
oklch(63.2% 0.16 255.4)
-
Step 600
600
#1671D6
oklch(55.6% 0.175 255.5)
-
Step 700
700 (this color)
#1366C2
oklch(51.7% 0.162 255.5)
-
Step 800
800
#0C4D96
oklch(42.6% 0.135 255.7)
-
Step 900
900
#144177
oklch(37.6% 0.104 255.3)
-
Step 950
950
#0E2746
oklch(27.1% 0.066 255.2)
#1366C2 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) | #316FC5 | 0.033 |
| Deuteranopia (no green cones) | #0060C0 | 0.018 |
| Tritanopia (no blue cones) | #007C8A | 0.121 |
| Achromatopsia (no color) | #676767 | 0.162 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1366C2
#1366C2
oklch(51.7% 0.162 255.5)
- #8C5D00
#8C5D00
oklch(51.6% 0.109 74.8)
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 #1366C2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mid Blue #276AB3 ΔE 0.029
- French Blue #436BAD ΔE 0.051
- Windows Blue #3778BF ΔE 0.059
- Royal Blue #4169E1 ΔE 0.060
- Flat Blue #3C73A8 ΔE 0.067
- Nice Blue #107AB0 ΔE 0.068
- Warm Blue #4B57DB ΔE 0.068
- Cerulean Blue #056EEE ΔE 0.069
Use #1366C2 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.