#1368DC
Closest named color: Cerulean Blue (#056EEE). oklch(54.1% 0.193 258.6), rgb(19, 104, 220).
Aa
White text reads best on this color (5.19:1).
About this color
#1368DC is a medium-dark, vivid blue. In OKLCH its lightness is 54%, its chroma 0.193 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Cerulean Blue (#056EEE), ΔE 0.030 away. White text reads best on it, at 5.19:1.
| Hue family | Blues |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.193) |
| Temperature | cool |
| Nearest name | Cerulean Blue (#056EEE) |
| Black text | 4.04:1 |
| White text | 5.19:1 |
Values
| HEX | #1368DC |
| RGB | rgb(19, 104, 220) |
| HSL | hsl(215, 84%, 47%) |
| OKLCH | oklch(54.1% 0.193 258.6) |
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 #1368DC | 5.19:1 | AA | Lc -80.4 | Fine for body text |
| Black text on #1368DC | 4.04:1 | AA large text | Lc 29.1 | Dividers and decoration only |
| #1368DC text on white | 5.19:1 | AA | Lc 75.0 | Fine for body text |
| #1368DC text on black | 4.04:1 | AA large text | Lc -26.7 | 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 600.
-
Step 50
50
#F1F6FD
oklch(97.1% 0.011 256.7)
-
Step 100
100
#E0EBFB
oklch(93.7% 0.025 257.6)
-
Step 200
200
#C6DBFA
oklch(88.6% 0.048 258)
-
Step 300
300
#9FC2F9
oklch(80.8% 0.087 259.3)
-
Step 400
400
#69A1F6
oklch(70.7% 0.139 258.5)
-
Step 500
500
#3E86F3
oklch(63% 0.179 258.7)
-
Step 600
600 (this color)
#1368DC
oklch(54.1% 0.193 258.6)
-
Step 700
700
#0A5AC4
oklch(49.1% 0.18 258.7)
-
Step 800
800
#0E4A9E
oklch(42.6% 0.149 258.7)
-
Step 900
900
#153F7E
oklch(37.7% 0.117 258.8)
-
Step 950
950
#0E254A
oklch(26.9% 0.075 259.5)
#1368DC 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) | #0076E0 | 0.035 |
| Deuteranopia (no green cones) | #0065DA | 0.011 |
| Tritanopia (no blue cones) | #008598 | 0.147 |
| Achromatopsia (no color) | #6D6D6D | 0.193 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1368DC
#1368DC
oklch(54.1% 0.193 258.6)
- #926500
#926500
oklch(54% 0.113 78.1)
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 #1368DC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cerulean Blue #056EEE ΔE 0.030
- Royal Blue #4169E1 ΔE 0.033
- Azul #1D5DEC ΔE 0.036
- Neon Blue #4361EE ΔE 0.045
- Bright Blue #0165FC ΔE 0.049
- Warm Blue #4B57DB ΔE 0.053
- Mid Blue #276AB3 ΔE 0.065
- Clear Blue #247AFD ΔE 0.068
Use #1368DC 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.