#1868EC
Closest named color: Cerulean Blue (#056EEE). oklch(55.4% 0.213 260.6), rgb(24, 104, 236).
Aa
White text reads best on this color (4.96:1).
About this color
#1868EC is a medium-dark, vivid blue. In OKLCH its lightness is 55%, its chroma 0.213 and its hue 261°. Its hue sits on the cool side of the wheel. The nearest named color is Cerulean Blue (#056EEE), ΔE 0.014 away. White text reads best on it, at 4.96:1.
| Hue family | Blues |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.213) |
| Temperature | cool |
| Nearest name | Cerulean Blue (#056EEE) |
| Black text | 4.23:1 |
| White text | 4.96:1 |
Values
| HEX | #1868EC |
| RGB | rgb(24, 104, 236) |
| HSL | hsl(217, 85%, 51%) |
| OKLCH | oklch(55.4% 0.213 260.6) |
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 #1868EC | 4.96:1 | AA | Lc -79.0 | Fine for body text |
| Black text on #1868EC | 4.23:1 | AA large text | Lc 30.5 | Non-text elements, placeholder text |
| #1868EC text on white | 4.96:1 | AA | Lc 73.6 | Content text, not long reading |
| #1868EC text on black | 4.23:1 | AA large text | Lc -28.1 | 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 600.
-
Step 50
50
#F1F6FE
oklch(97.2% 0.012 259.8)
-
Step 100
100
#DFEBFD
oklch(93.6% 0.028 258.4)
-
Step 200
200
#C5DAFD
oklch(88.4% 0.054 260.6)
-
Step 300
300
#9DC2FF
oklch(81% 0.096 260.2)
-
Step 400
400
#679FFF
oklch(70.7% 0.153 260.6)
-
Step 500
500
#3C83FD
oklch(63% 0.196 260.5)
-
Step 600
600 (this color)
#1868EC
oklch(55.4% 0.213 260.6)
-
Step 700
700
#0A56CE
oklch(49.1% 0.198 260.6)
-
Step 800
800
#0E47A6
oklch(42.6% 0.164 260.6)
-
Step 900
900
#143D84
oklch(37.7% 0.128 260.6)
-
Step 950
950
#0D244D
oklch(26.9% 0.081 260.9)
#1868EC 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) | #007AF1 | 0.044 |
| Deuteranopia (no green cones) | #0067E9 | 0.009 |
| Tritanopia (no blue cones) | #0089A0 | 0.161 |
| Achromatopsia (no color) | #707070 | 0.213 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1868EC
#1868EC
oklch(55.4% 0.213 260.6)
- #956A00
#956A00
oklch(55.4% 0.115 80.5)
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 #1868EC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cerulean Blue #056EEE ΔE 0.014
- Azul #1D5DEC ΔE 0.025
- Bright Blue #0165FC ΔE 0.026
- Neon Blue #4361EE ΔE 0.032
- Royal Blue #4169E1 ΔE 0.033
- Clear Blue #247AFD ΔE 0.052
- Warm Blue #4B57DB ΔE 0.055
- Electric Blue #0652FF ΔE 0.057
Use #1868EC 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.