#1868DC
Closest named color: Cerulean Blue (#056EEE). oklch(54.1% 0.193 259.1), rgb(24, 104, 220).
Aa
White text reads best on this color (5.18:1).
About this color
#1868DC 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 5.18:1.
| Hue family | Blues |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.193) |
| Temperature | cool |
| Nearest name | Cerulean Blue (#056EEE) |
| Black text | 4.05:1 |
| White text | 5.18:1 |
Values
| HEX | #1868DC |
| RGB | rgb(24, 104, 220) |
| HSL | hsl(216, 80%, 48%) |
| OKLCH | oklch(54.1% 0.193 259.1) |
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 #1868DC | 5.18:1 | AA | Lc -80.4 | Fine for body text |
| Black text on #1868DC | 4.05:1 | AA large text | Lc 29.1 | Dividers and decoration only |
| #1868DC text on white | 5.18:1 | AA | Lc 75.0 | Content text, not long reading |
| #1868DC text on black | 4.05:1 | 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
#6AA1F6
oklch(70.8% 0.138 258.8)
-
Step 500
500
#4086F2
oklch(63% 0.177 259)
-
Step 600
600 (this color)
#1868DC
oklch(54.1% 0.193 259.1)
-
Step 700
700
#0F5AC4
oklch(49.2% 0.18 259.1)
-
Step 800
800
#114A9E
oklch(42.7% 0.148 259.1)
-
Step 900
900
#163F7E
oklch(37.7% 0.116 259.1)
-
Step 950
950
#0E2549
oklch(26.8% 0.073 259.1)
#1868DC 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) | #0276E0 | 0.035 |
| Deuteranopia (no green cones) | #0065DA | 0.012 |
| 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°).
- #1868DC
#1868DC
oklch(54.1% 0.193 259.1)
- #926600
#926600
oklch(54.2% 0.113 79)
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 #1868DC, 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 0.031
- Azul #1D5DEC ΔE 0.036
- Neon Blue #4361EE ΔE 0.044
- Bright Blue #0165FC ΔE 0.049
- Warm Blue #4B57DB ΔE 0.051
- Mid Blue #276AB3 ΔE 0.065
- Clear Blue #247AFD ΔE 0.067
Use #1868DC 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.